Pass1

selfdrive/controls/tests/test_speed_limit_controller.py

@@ -75,7 +75,7 @@ def make_sm(*, gas_pressed, enabled=True, accel_pressed=False, decel_pressed=Fal
     "carControl": SimpleNamespace(longActive=long_active),
     "carState": SimpleNamespace(gasPressed=gas_pressed, steeringAngleDeg=0.0, vCruise=v_cruise_kph),
     "liveParameters": SimpleNamespace(angleOffsetDeg=0.0),
-    "mapdOut": SimpleNamespace(nextSpeedLimitDistance=0.0, nextSpeedLimit=0.0, speedLimit=0.0, waySelectionType=0),
+    "mapdOut": SimpleNamespace(nextSpeedLimitDistance=0.0, nextSpeedLimit=0.0, speedLimit=0.0, waySelectionType=0, roadName=""),
     "selfdriveState": SimpleNamespace(enabled=enabled),
     "starpilotCarState": SimpleNamespace(accelPressed=accel_pressed, decelPressed=decel_pressed),
   }
@@ -315,106 +315,62 @@ def test_display_only_applies_large_delta_guard():
     controller.shutdown()
 
 
-def test_new_source_limit_clears_override_until_gas_release():
-  controller = make_controller()
+def test_set_speed_override_survives_source_changes_and_fallback_until_driver_clears():
+  controller = make_controller(
+    speed_limit_controller_override_manual=False,
+    speed_limit_controller_override_set_speed=True,
+    speed_limit_priority1="Map Data",
+    speed_limit_priority2="Dashboard",
+    slc_fallback_set_speed=True,
+  )
   try:
     controller.source = "Dashboard"
-    controller.target = mph(55)
+    controller.target = mph(45)
     controller.previous_source = "Dashboard"
-    controller.previous_target = mph(55)
-    controller.overridden_speed = mph(65)
+    controller.previous_target = mph(45)
+    controller.last_valid_limit = mph(45)
 
-    sm = make_sm(gas_pressed=True)
-    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(75), mph(65), sm)
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, sm)
-
-    assert controller.target == pytest.approx(mph(45))
-    assert controller.source == "Dashboard"
-    assert controller.overridden_speed == 0
-    assert not controller.override_slc
-
-    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(75), mph(65), sm)
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, sm)
-
-    assert controller.overridden_speed == 0
-    assert not controller.override_slc
-
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, make_sm(gas_pressed=False))
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, sm)
-
-    assert controller.overridden_speed == pytest.approx(mph(65))
+    controller.update_override(mph(45), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
 
-    # --- Dropout / Fallback Test Condition ---
-    controller.starpilot_toggles = make_toggles(slc_fallback_set_speed=True)
-    # No limit available → falls back to v_cruise (75 mph) with source "None".
-    # Override persists because target_to_use resolves to last_valid_limit (45 mph) which is
-    # below overridden_speed (65 mph) — the sticky override_slc chain stays True.
-    controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(75), mph(65), sm)
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, sm)
+    # Dashboard 45 -> Map Data 45 is not a new speed zone.
+    map_sm = make_sm(gas_pressed=False)
+    map_sm["mapdOut"].speedLimit = mph(45)
+    controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(55), mph(50), map_sm)
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, map_sm)
+    assert controller.source == "Map Data"
+    assert controller.overridden_speed == pytest.approx(mph(55))
+    assert controller.override_slc
 
-    assert controller.target == pytest.approx(mph(75))
+    # A temporary fallback, and even a complete source dropout, do not clear the override.
+    controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
     assert controller.source == "None"
-    assert controller.overridden_speed == pytest.approx(mph(65))
+    assert controller.target == pytest.approx(mph(55))
+    assert controller.overridden_speed == pytest.approx(mph(55))
     assert controller.override_slc
 
-    # Recovery to a confirmed limit (55 mph) clears the override: this is a genuinely new
-    # speed zone (55 != last_valid 45), so clear_override_for_source_limit fires correctly.
-    controller.update_limits(mph(55), datetime.now(timezone.utc), False, mph(75), mph(65), sm)
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, sm)
+    controller.starpilot_toggles.slc_fallback_set_speed = False
+    controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
+    assert controller.target == 0
+    assert controller.overridden_speed == pytest.approx(mph(55))
+    assert controller.override_slc
 
-    assert controller.target == pytest.approx(mph(55))
+    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
     assert controller.source == "Dashboard"
-    assert controller.overridden_speed == 0
+    assert controller.overridden_speed == pytest.approx(mph(55))
+    assert controller.override_slc
+
+    # Set-speed fallback does not clear passively, but a fresh - to the retained target does.
+    controller.starpilot_toggles.slc_fallback_set_speed = True
+    controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
+    controller.update_override(mph(45), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
     assert not controller.override_slc
-
-      # --- Override Clipping Check (set-speed fallback) ---
-      # Separate controller: active override, then fallback to v_cruise that is BELOW the override.
-      # overridden_speed clips to v_cruise (override_slc stays True via sticky chain, but
-      # np.clip clamps overridden_speed to the new target+offset).
-    clip_controller = make_controller(slc_fallback_set_speed=True)
-    try:
-      clip_controller.source = "Dashboard"
-      clip_controller.target = mph(55)
-      clip_controller.previous_source = "Dashboard"
-      clip_controller.previous_target = mph(55)
-      clip_controller.last_valid_limit = mph(55)
-      clip_controller.override_slc = True
-      clip_controller.overridden_speed = mph(65)
-
-      sm_no_gas = make_sm(gas_pressed=False)
-      # v_cruise = 30 mph (below last_valid 55), so target_to_use returns mph(30).
-      # override_slc sticky: overridden_speed=65 > 30+0=30 > 0 — still True from chain.
-      # np.clip(65, 30, 30) = 30, so overridden_speed clips to mph(30).
-      clip_controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(30), mph(30), sm_no_gas)
-      clip_controller.update_override(mph(30), 0.0, mph(30), 0.0, sm_no_gas)
-
-      assert clip_controller.target == pytest.approx(mph(30))
-      # Clipped to v_cruise — not locked at mph(55) or mph(65)
-      assert clip_controller.overridden_speed == pytest.approx(mph(30))
-      assert clip_controller.override_slc
-    finally:
-      clip_controller.shutdown()
-
-    # --- Lost Speed Limit (no fallback) clears target to 0 ---
-    # When all limit sources drop to 0 with no fallback, target becomes 0
-    # and override_slc is False (target_to_use=0, chain evaluates False).
-    lost_controller = make_controller(slc_fallback_set_speed=False, slc_fallback_previous_speed_limit=False)
-    try:
-      lost_controller.source = "Dashboard"
-      lost_controller.target = mph(45)
-      lost_controller.previous_source = "Dashboard"
-      lost_controller.previous_target = mph(45)
-
-      sm_on = make_sm(gas_pressed=False)
-      lost_controller.update_limits(0.0, datetime.now(timezone.utc), False, mph(75), mph(65), sm_on)
-      lost_controller.update_override(mph(75), 0.0, mph(65), 0.0, sm_on)
-
-      assert lost_controller.target == 0
-      assert lost_controller.overridden_speed == 0
-      assert not lost_controller.override_slc
-    finally:
-      lost_controller.shutdown()
+    assert controller.overridden_speed == 0
   finally:
     controller.shutdown()
 
@@ -487,50 +443,43 @@ def test_unconfirmed_lower_limit_keeps_existing_override():
     controller.shutdown()
 
 
-def test_higher_limit_does_not_clear_override():
-  controller = make_controller()
+def test_set_speed_override_handles_higher_limit_changes():
+  controller = make_controller(
+    speed_limit_controller_override_manual=False,
+    speed_limit_controller_override_set_speed=True,
+  )
   try:
     controller.source = "Dashboard"
     controller.target = mph(35)
     controller.previous_source = "Dashboard"
     controller.previous_target = mph(35)
-    controller.overridden_speed = mph(55)
-    controller.override_slc = True
+    controller.last_valid_limit = mph(35)
 
-    sm = make_sm(gas_pressed=True)
-    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(75), mph(55), sm)
-    controller.update_override(mph(75), 0.0, mph(55), 0.0, sm)
+    controller.update_override(mph(35), 0.0, mph(35), 0.0, make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(35), 0.0, make_sm(gas_pressed=False))
+    assert controller.override_slc
+    assert controller.overridden_speed == pytest.approx(mph(55))
+
+    # A higher limit below the selected override preserves it.
+    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
 
     assert controller.target == pytest.approx(mph(45))
     assert controller.source == "Dashboard"
     assert controller.overridden_speed == pytest.approx(mph(55))
     assert controller.override_slc
 
-    controller_overridden_below = make_controller()
-    try:
-      controller_overridden_below.source = "Dashboard"
-      controller_overridden_below.target = mph(35)
-      controller_overridden_below.previous_source = "Dashboard"
-      controller_overridden_below.previous_target = mph(35)
-      controller_overridden_below.overridden_speed = mph(40)
-      controller_overridden_below.override_slc = True
-
-      sm = make_sm(gas_pressed=True)
-      controller_overridden_below.update_limits(mph(45), datetime.now(timezone.utc), False, mph(75), mph(55), sm)
-      controller_overridden_below.update_override(mph(75), 0.0, mph(55), 0.0, sm)
-
-      assert controller_overridden_below.target == pytest.approx(mph(45))
-      assert controller_overridden_below.overridden_speed == 0
-      assert not controller_overridden_below.override_slc
-    finally:
-      controller_overridden_below.shutdown()
+    # A higher effective target that reaches the override clears it without re-arming.
+    controller.update_limits(mph(55), datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+    controller.update_override(mph(55), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
+    assert controller.target == pytest.approx(mph(55))
+    assert controller.overridden_speed == 0
+    assert not controller.override_slc
   finally:
     controller.shutdown()
 
 
-def test_set_speed_mode_overrides_on_raise_without_gas():
-  # Max Set Speed mode: raising the set speed (+/-) above the posted limit must override
-  # the SLC hold with no gas pedal, targeting the set speed.
+def test_set_speed_override_follows_driver_wheel_intent():
   controller = make_controller(
     speed_limit_controller_override_manual=False,
     speed_limit_controller_override_set_speed=True,
@@ -540,19 +489,29 @@ def test_set_speed_mode_overrides_on_raise_without_gas():
     controller.target = mph(45)
     controller.last_valid_limit = mph(45)
 
-    # Baseline frame at the limit establishes the previous set speed (no rising edge yet).
+    # Gas never creates a persistent wheel override.
     controller.update_override(mph(45), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
+    controller.update_override(mph(45), 0.0, mph(55), 0.0, make_sm(gas_pressed=True))
     assert not controller.override_slc
+    assert controller.overridden_speed == 0
 
-    # Driver presses + to 60 (rising edge): override arms and targets the set speed.
-    controller.update_override(mph(60), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
+    # A fresh + above the effective SLC target arms the override.
+    controller.update_override(mph(55), 0.0, mph(55), 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
-    assert controller.overridden_speed == pytest.approx(mph(60))
+    assert controller.overridden_speed == pytest.approx(mph(55))
 
-    # Holding 60 with no further press: override stays latched.
     controller.update_override(mph(60), 0.0, mph(58), 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
     assert controller.overridden_speed == pytest.approx(mph(60))
+
+    controller.update_override(mph(50), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
+    assert controller.override_slc
+    assert controller.overridden_speed == pytest.approx(mph(50))
+
+    # Returning to the effective SLC target ends the persistent override.
+    controller.update_override(mph(45), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
+    assert not controller.override_slc
+    assert controller.overridden_speed == 0
   finally:
     controller.shutdown()
 
@@ -576,6 +535,10 @@ def test_set_speed_mode_waits_until_above_slc_target_with_offset():
     controller.update_override(35 * CV.KPH_TO_MS, 0.0, 30 * CV.KPH_TO_MS, 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
     assert controller.overridden_speed == pytest.approx(35 * CV.KPH_TO_MS)
+
+    controller.update_override(33 * CV.KPH_TO_MS, 0.0, 30 * CV.KPH_TO_MS, 0.0, make_sm(gas_pressed=False))
+    assert not controller.override_slc
+    assert controller.overridden_speed == 0
   finally:
     controller.shutdown()
 
@@ -598,22 +561,82 @@ def test_set_speed_override_clears_on_new_speed_zone():
     controller.update_override(mph(60), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
 
-    # New lower zone (35): update_limits clears the override for the new segment.
-    controller.update_limits(mph(35), datetime.now(timezone.utc), False, mph(60), mph(58), make_sm(gas_pressed=False))
+    # A 1 mph lower zone takes the same-limit fast path but still clears the override.
+    controller.update_limits(mph(44), datetime.now(timezone.utc), False, mph(60), mph(58), make_sm(gas_pressed=False))
     controller.update_override(mph(60), 0.0, mph(58), 0.0, make_sm(gas_pressed=False))
-    assert controller.target == pytest.approx(mph(35))
-    # Set speed unchanged at 60 -> no rising edge -> override stays cleared (car slows to 35).
+    assert controller.target == pytest.approx(mph(44))
+    # Set speed unchanged at 60 -> no rising edge -> override stays cleared (car slows to 44).
     assert not controller.override_slc
     assert controller.overridden_speed == 0
 
     # A fresh + press (60 -> 65) re-arms against the new limit.
-    controller.update_override(mph(65), 0.0, mph(35), 0.0, make_sm(gas_pressed=False))
+    controller.update_override(mph(65), 0.0, mph(44), 0.0, make_sm(gas_pressed=False))
     assert controller.override_slc
     assert controller.overridden_speed == pytest.approx(mph(65))
   finally:
     controller.shutdown()
 
 
+def test_confirmation_accel_press_does_not_arm_set_speed_override():
+  controller = make_controller(
+    speed_limit_controller_override_manual=False,
+    speed_limit_controller_override_set_speed=True,
+    speed_limit_confirmation_higher=True,
+  )
+  try:
+    controller.source = "Dashboard"
+    controller.target = mph(45)
+    controller.previous_source = "Dashboard"
+    controller.previous_target = mph(45)
+    controller.last_valid_limit = mph(45)
+
+    controller.update_override(mph(45), 0.0, mph(45), 0.0, make_sm(gas_pressed=False))
+    controller.update_limits(mph(50), datetime.now(timezone.utc), False, mph(45), mph(45), make_sm(gas_pressed=False))
+    assert controller.source == "None"
+    assert controller.unconfirmed_speed_limit == pytest.approx(mph(50))
+
+    # This + accepts the pending 50 mph limit, but must not also arm a 55 mph override.
+    confirm_sm = make_sm(gas_pressed=False, accel_pressed=True)
+    controller.update_limits(mph(50), datetime.now(timezone.utc), False, mph(55), mph(45), confirm_sm)
+    controller.update_override(mph(55), 0.0, mph(45), 0.0, confirm_sm)
+    assert controller.source == "Dashboard"
+    assert controller.target == pytest.approx(mph(50))
+    assert not controller.override_slc
+    assert controller.overridden_speed == 0
+
+    # A second fresh + is allowed to establish the override.
+    controller.update_limits(mph(50), datetime.now(timezone.utc), False, mph(60), mph(45), make_sm(gas_pressed=False, accel_pressed=True))
+    controller.update_override(mph(60), 0.0, mph(45), 0.0, make_sm(gas_pressed=False, accel_pressed=True))
+    assert controller.override_slc
+    assert controller.overridden_speed == pytest.approx(mph(60))
+  finally:
+    controller.shutdown()
+
+
+def test_adopt_speed_limit_clears_complete_override_state():
+  controller = make_controller(
+    speed_limit_controller_override_manual=False,
+    speed_limit_controller_override_set_speed=True,
+  )
+  try:
+    controller.source = "Dashboard"
+    controller.target = mph(45)
+    controller.previous_source = "Dashboard"
+    controller.previous_target = mph(45)
+    controller.last_valid_limit = mph(45)
+    controller.override_slc = True
+    controller.overridden_speed = mph(55)
+    controller._slc_adopt_counter = 3
+    controller.starpilot_planner.params_memory.values["SLCAdoptSpeedLimit"] = True
+
+    controller.update_limits(mph(45), datetime.now(timezone.utc), False, mph(55), mph(50), make_sm(gas_pressed=False))
+
+    assert controller.overridden_speed == 0
+    assert not controller.override_slc
+  finally:
+    controller.shutdown()
+
+
 def test_redneck_set_speed_mode_overrides_in_both_directions():
   controller = make_controller(
     speed_limit_controller_override_manual=False,
@@ -638,8 +661,7 @@ def test_redneck_set_speed_mode_overrides_in_both_directions():
     controller.shutdown()
 
 
-def test_gas_pedal_mode_ignores_set_speed_without_gas():
-  # Set With Gas Pedal mode: a high set speed alone must NOT override; gas is still required.
+def test_manual_override_tracks_current_speed_and_ends_on_release():
   controller = make_controller(
     speed_limit_controller_override_manual=True,
     speed_limit_controller_override_set_speed=False,
@@ -653,9 +675,17 @@ def test_gas_pedal_mode_ignores_set_speed_without_gas():
     assert not controller.override_slc
     assert controller.overridden_speed == 0
 
-    controller.update_override(mph(60), 0.0, mph(50), 0.0, make_sm(gas_pressed=True))
+    controller.update_override(mph(60), 0.0, mph(55), 0.0, make_sm(gas_pressed=True))
     assert controller.override_slc
+    assert controller.overridden_speed == pytest.approx(mph(55))
+
+    # The temporary override follows the current speed rather than a historical peak.
+    controller.update_override(mph(60), 0.0, mph(50), 0.0, make_sm(gas_pressed=True))
     assert controller.overridden_speed == pytest.approx(mph(50))
+
+    controller.update_override(mph(60), 0.0, mph(50), 0.0, make_sm(gas_pressed=False))
+    assert not controller.override_slc
+    assert controller.overridden_speed == 0
   finally:
     controller.shutdown()
 
@@ -667,17 +697,17 @@ def test_manual_override_survives_brief_enabled_flicker():
     controller.target = mph(45)
     controller.previous_source = "Dashboard"
     controller.previous_target = mph(45)
-    controller.overridden_speed = mph(55)
-    controller.override_slc = True
+    controller.last_valid_limit = mph(45)
+    controller.update_override(mph(60), 0.0, mph(55), 0.0, make_sm(gas_pressed=True))
 
-    disabled_sm = make_sm(gas_pressed=False, enabled=False)
+    disabled_sm = make_sm(gas_pressed=True, enabled=False)
     for _ in range(int(0.5 / DT_MDL)):
-      controller.update_override(mph(75), 0.0, mph(65), 0.0, disabled_sm)
+      controller.update_override(mph(60), 0.0, mph(55), 0.0, disabled_sm)
 
     assert controller.overridden_speed == pytest.approx(mph(55))
     assert controller.override_slc
 
-    controller.update_override(mph(75), 0.0, mph(65), 0.0, make_sm(gas_pressed=False, enabled=True))
+    controller.update_override(mph(60), 0.0, mph(55), 0.0, make_sm(gas_pressed=True, enabled=True))
 
     assert controller.overridden_speed == pytest.approx(mph(55))
     assert controller.override_slc
@@ -685,16 +715,19 @@ def test_manual_override_survives_brief_enabled_flicker():
     controller.shutdown()
 
 
-def test_manual_override_clears_after_sustained_disengage():
-  controller = make_controller()
+def test_override_clears_after_sustained_disengage():
+  controller = make_controller(
+    speed_limit_controller_override_manual=False,
+    speed_limit_controller_override_set_speed=True,
+  )
   try:
     controller.source = "Dashboard"
     controller.target = mph(45)
     controller.previous_source = "Dashboard"
     controller.previous_target = mph(45)
+    controller.last_valid_limit = mph(45)
     controller.overridden_speed = mph(55)
     controller.override_slc = True
-    controller.override_requires_gas_release = True
 
     disabled_sm = make_sm(gas_pressed=False, enabled=False)
     for _ in range(int(1.0 / DT_MDL) + 1):
@@ -702,6 +735,5 @@ def test_manual_override_clears_after_sustained_disengage():
 
     assert controller.overridden_speed == 0
     assert not controller.override_slc
-    assert not controller.override_requires_gas_release
   finally:
     controller.shutdown()

starpilot/controls/lib/speed_limit_controller.py

@@ -2,7 +2,6 @@
 # PFEIFER - SLC - Modified by FrogAi
 import calendar
 import json
-import numpy as np
 import requests
 
 from concurrent.futures import ThreadPoolExecutor
@@ -51,9 +50,9 @@ class SpeedLimitController:
 
     self.calling_mapbox = False
     self.override_slc = False
-    self.override_requires_gas_release = False
     self.override_disable_timer = 0.0
     self._prev_v_cruise = None
+    self._set_speed_override_input_consumed = False
 
     self.denied_target = 0
     self.map_speed_limit = 0
@@ -118,47 +117,25 @@ class SpeedLimitController:
   def offset(self):
     return self.get_offset(self.target)
 
-  @property
-  def override_mode_enabled(self):
-    if self.starpilot_toggles is None:
-      return False
-    return self.starpilot_toggles.speed_limit_controller_override_manual or self.starpilot_toggles.speed_limit_controller_override_set_speed
-
-  def override_active(self, v_ego, gas_pressed):
-    target_to_use = self.target_to_use
-    target_with_offset = target_to_use + self.get_offset(target_to_use)
-    if target_with_offset <= 0 or not self.override_mode_enabled:
-      return False
-    bidirectional_set_speed = (
-      getattr(self.starpilot_toggles, "redneck_cruise", False) and
-      getattr(self.starpilot_toggles, "speed_limit_controller_override_set_speed", False)
-    )
-    return (
-      (bidirectional_set_speed and self.overridden_speed > 0) or
-      self.overridden_speed > target_with_offset or
-      (gas_pressed and v_ego > target_with_offset)
-    )
-
   def low_vision_limit_filtered(self, limit):
     return (
       getattr(self.starpilot_toggles, "vision_speed_limit_low_limit_filter", False) and
       0 < limit <= max(getattr(self.starpilot_toggles, "vision_speed_limit_low_limit_threshold", 0), 0)
     )
 
-  def clear_override_for_source_limit(self, desired_source, desired_target, had_override):
-    if desired_source == "None" or desired_target <= 0:
-      return
-    if not had_override and self.overridden_speed <= 0:
-      return
-    if abs(desired_target - self.last_valid_limit) < 0.1:
-      return
-
-    # A new posted limit starts a new segment, so the previous segment's gas override
-    # should not carry through until the driver releases and reapplies the pedal.
+  def clear_override(self):
     self.override_slc = False
     self.overridden_speed = 0
-    if had_override:
-      self.override_requires_gas_release = True
+
+  def clear_persistent_override_for_limit_change(self, previous_limit, new_limit):
+    if not self.starpilot_toggles.speed_limit_controller_override_set_speed or self.overridden_speed <= 0:
+      return
+    if previous_limit <= 0 or new_limit <= 0 or abs(new_limit - previous_limit) < 0.1:
+      return
+
+    new_target_with_offset = new_limit + self.get_offset(new_limit)
+    if new_limit < previous_limit or self.overridden_speed <= new_target_with_offset:
+      self.clear_override()
 
   def get_mapbox_speed_limit(self, now, time_validated, v_ego, sm):
     if not self.starpilot_planner.gps_valid or not self.mapbox_token or abs(sm["carState"].steeringAngleDeg - sm["liveParameters"].angleOffsetDeg) >= 45:
@@ -295,10 +272,15 @@ class SpeedLimitController:
 
   def handle_limit_change(self, desired_source, desired_target, current_road_name, v_ego, sm):
     self.speed_limit_changed_timer += DT_MDL
-    had_override = self.override_active(v_ego, sm["carState"].gasPressed)
+    previous_limit = self.last_valid_limit if self.last_valid_limit > 0 else self.target
 
     long_active = sm["carControl"].longActive
-    speed_limit_accepted = sm["starpilotCarState"].accelPressed and long_active
+    accepted_by_accel_button = sm["starpilotCarState"].accelPressed and long_active
+    confirmation_required = desired_source != "None" and (
+      (desired_target < self.target and self.starpilot_toggles.speed_limit_confirmation_lower) or
+      (desired_target > self.target and self.starpilot_toggles.speed_limit_confirmation_higher)
+    )
+    speed_limit_accepted = accepted_by_accel_button
     if not speed_limit_accepted and self._slc_adopt_counter % 4 == 0:
       speed_limit_accepted = self.starpilot_planner.params_memory.get_bool("SpeedLimitAccepted")
     speed_limit_denied = sm["starpilotCarState"].decelPressed or (self.speed_limit_changed_timer >= 30 and long_active)
@@ -309,7 +291,9 @@ class SpeedLimitController:
     if speed_limit_accepted:
       self.source = desired_source
       self.target = desired_target
-      self.clear_override_for_source_limit(desired_source, desired_target, had_override)
+      self.clear_persistent_override_for_limit_change(previous_limit, desired_target)
+      if accepted_by_accel_button and confirmation_required:
+        self._set_speed_override_input_consumed = True
 
       self.starpilot_planner.params_memory.remove("SpeedLimitAccepted")
 
@@ -323,13 +307,12 @@ class SpeedLimitController:
     elif desired_target < self.target and (desired_source == "None" or not self.starpilot_toggles.speed_limit_confirmation_lower):
       self.source = desired_source
       self.target = desired_target
-      self.clear_override_for_source_limit(desired_source, desired_target, had_override)
+      self.clear_persistent_override_for_limit_change(previous_limit, desired_target)
 
     elif desired_target > self.target and (desired_source == "None" or not self.starpilot_toggles.speed_limit_confirmation_higher):
       self.source = desired_source
       self.target = desired_target
-      if 0 < self.overridden_speed <= self.target + self.get_offset(self.target):
-        self.clear_override_for_source_limit(desired_source, desired_target, had_override)
+      self.clear_persistent_override_for_limit_change(previous_limit, desired_target)
 
     elif desired_target == self.target:
       self.source = desired_source
@@ -349,6 +332,7 @@ class SpeedLimitController:
       self.starpilot_planner.params.put_nonblocking("PreviousSpeedLimit", float(self.target))
 
   def update_limits(self, dashboard_speed_limit, now, time_validated, v_cruise, v_ego, sm, display_only=False):
+    self._set_speed_override_input_consumed = False
     self.update_map_speed_limit(v_ego, sm)
     vision_enabled = getattr(self.starpilot_toggles, "vision_speed_limit_detection", False)
     self.vision_limit = self.starpilot_planner.params_memory.get_float("VisionSpeedLimit") if vision_enabled else 0
@@ -431,8 +415,7 @@ class SpeedLimitController:
     if display_only:
       self.speed_limit_changed_timer = 0
       self.unconfirmed_speed_limit = 0
-      self.overridden_speed = 0
-      self.override_requires_gas_release = False
+      self.clear_override()
 
       if desired_target >= 1:
         self.source = desired_source
@@ -456,6 +439,8 @@ class SpeedLimitController:
       self.speed_limit_changed_timer = 0
       self.unconfirmed_speed_limit = 0
       if desired_source != self.source or desired_target != self.target:
+        if not is_fallback:
+          self.clear_persistent_override_for_limit_change(current_speed, desired_target)
         self.source = desired_source
         self.target = desired_target
       if desired_source != "None" and desired_target > 0:
@@ -472,7 +457,7 @@ class SpeedLimitController:
     if self._slc_adopt_counter % 4 == 0 and self.starpilot_planner.params_memory.get_bool("SLCAdoptSpeedLimit"):
       self.starpilot_planner.params_memory.remove("SLCAdoptSpeedLimit")
       if desired_target > 0:
-        self.overridden_speed = 0
+        self.clear_override()
         self.denied_target = 0
         self.source = desired_source
         self.target = desired_target
@@ -512,55 +497,61 @@ class SpeedLimitController:
         self.map_speed_limit = self.next_speed_limit
 
   def update_override(self, v_cruise, v_cruise_diff, v_ego, v_ego_diff, sm):
-    # Detect +/- changes on the raw set speed (button-driven, no cluster jitter). Requiring a
-    # fresh edge is what makes the override clear per speed zone — once a new posted limit wipes
-    # it, a steady set speed will not re-arm.
+    # Detect +/- changes on the raw set speed (button-driven, no cluster jitter). A fresh edge
+    # keeps a cleared override from re-arming while the selected speed stays high.
     prev_v_cruise = self._prev_v_cruise
     self._prev_v_cruise = v_cruise
     set_speed_changed = prev_v_cruise is not None and abs(v_cruise - prev_v_cruise) > SET_SPEED_RAISE_EPS
     set_speed_raised = prev_v_cruise is not None and v_cruise > prev_v_cruise + SET_SPEED_RAISE_EPS
+    set_speed_input_consumed = self._set_speed_override_input_consumed
+    self._set_speed_override_input_consumed = False
 
     if not sm["selfdriveState"].enabled:
       self.override_disable_timer += DT_MDL
       if self.override_disable_timer >= SLC_OVERRIDE_DISABLE_CLEAR_TIME:
-        self.override_slc = False
-        self.overridden_speed = 0
-        self.override_requires_gas_release = False
+        self.clear_override()
       return
 
     self.override_disable_timer = 0.0
 
-    if not sm["carState"].gasPressed:
-      self.override_requires_gas_release = False
-
     target_to_use = self.target_to_use
-    offset = self.get_offset(target_to_use)
+    target_with_offset = target_to_use + self.get_offset(target_to_use)
+
+    if self.starpilot_toggles.speed_limit_controller_override_manual:
+      if sm["carState"].gasPressed and v_ego > target_with_offset > 0:
+        self.override_slc = True
+        self.overridden_speed = v_ego + v_ego_diff
+      else:
+        self.clear_override()
+      return
+
+    if not self.starpilot_toggles.speed_limit_controller_override_set_speed:
+      self.clear_override()
+      return
+
     set_speed = v_cruise + v_cruise_diff
-    bidirectional_set_speed = (
-      getattr(self.starpilot_toggles, "redneck_cruise", False) and
-      getattr(self.starpilot_toggles, "speed_limit_controller_override_set_speed", False)
-    )
-    self.override_slc = self.override_slc and (
-      (bidirectional_set_speed and self.overridden_speed > 0) or
-      self.overridden_speed > target_to_use + offset > 0
-    )
-    self.override_slc |= not self.override_requires_gas_release and sm["carState"].gasPressed and v_ego > target_to_use + offset > 0
-    # Redneck Max Set Speed mode uses +/- as a direct, bidirectional SLC override. The normal
-    # mode retains its existing upward-only behavior for full-long cars.
-    self.override_slc |= (
-      self.starpilot_toggles.speed_limit_controller_override_set_speed and
-      target_to_use + offset > 0 and
-      set_speed > 0 and
-      ((bidirectional_set_speed and set_speed_changed) or
-       (not bidirectional_set_speed and set_speed_raised and set_speed > target_to_use + offset > 0))
-    )
+    bidirectional_set_speed = getattr(self.starpilot_toggles, "redneck_cruise", False)
+    if bidirectional_set_speed:
+      if self.override_slc and set_speed > 0:
+        self.overridden_speed = set_speed
+      elif target_with_offset > 0 and set_speed > 0 and set_speed_changed and not set_speed_input_consumed:
+        self.override_slc = True
+        self.overridden_speed = set_speed
+      else:
+        self.clear_override()
+      return
 
     if self.override_slc:
-      if self.starpilot_toggles.speed_limit_controller_override_manual:
-        if sm["carState"].gasPressed:
-          self.overridden_speed = max(v_ego + v_ego_diff, self.overridden_speed)
-        self.overridden_speed = float(np.clip(self.overridden_speed, target_to_use + offset, v_cruise + v_cruise_diff))
-      elif self.starpilot_toggles.speed_limit_controller_override_set_speed:
+      # A fallback transition alone preserves the override; a fresh set-speed change may clear it.
+      if set_speed <= 0 or (
+        target_with_offset > 0 and set_speed <= target_with_offset and
+        (self.source != "None" or set_speed_changed)
+      ):
+        self.clear_override()
+      else:
         self.overridden_speed = set_speed
+    elif target_with_offset > 0 and set_speed_raised and set_speed > target_with_offset and not set_speed_input_consumed:
+      self.override_slc = True
+      self.overridden_speed = set_speed
     else:
-      self.overridden_speed = 0
+      self.clear_override()