diff --git a/cereal/custom.capnp b/cereal/custom.capnp
index 833845d36d..511dedc3c5 100644
--- a/cereal/custom.capnp
+++ b/cereal/custom.capnp
@@ -150,6 +150,7 @@ struct LongitudinalPlanSP @0xf35cc4560bbf6ec2 {
   aTarget @5 :Float32;
   events @6 :List(OnroadEventSP.Event);
   e2eAlerts @7 :E2eAlerts;
+  accelPersonality @8 :AccelerationPersonality;
 
   struct DynamicExperimentalControl {
     state @0 :DynamicExperimentalControlState;
@@ -252,6 +253,11 @@ struct LongitudinalPlanSP @0xf35cc4560bbf6ec2 {
     greenLightAlert @0 :Bool;
     leadDepartAlert @1 :Bool;
   }
+  enum AccelerationPersonality {
+    sport @0;
+    normal @1;
+    eco @2;
+  }
 }
 
 struct OnroadEventSP @0xda96579883444c35 {
diff --git a/common/params_keys.h b/common/params_keys.h
index 3b5d02a429..d845b33319 100644
--- a/common/params_keys.h
+++ b/common/params_keys.h
@@ -171,6 +171,9 @@ inline static std::unordered_map<std::string, ParamKeyAttributes> keys = {
     {"ShowTurnSignals", {PERSISTENT | BACKUP, BOOL, "0"}},
     {"StandstillTimer", {PERSISTENT | BACKUP, BOOL, "0"}},
     {"TrueVEgoUI", {PERSISTENT | BACKUP, BOOL, "0"}},
+    {"VibePersonalityEnabled", {PERSISTENT | BACKUP, BOOL, "0"}},
+    {"VibeAccelPersonalityEnabled", {PERSISTENT | BACKUP, BOOL, "0"}},
+    {"VibeFollowPersonalityEnabled", {PERSISTENT | BACKUP, BOOL, "0"}},
 
     // MADS params
     {"Mads", {PERSISTENT | BACKUP, BOOL, "1"}},
diff --git a/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py b/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
index 3f9d8245bd..e5bb835522 100755
--- a/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
+++ b/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
@@ -10,6 +10,8 @@ from openpilot.common.swaglog import cloudlog
 from openpilot.selfdrive.modeld.constants import index_function
 from openpilot.selfdrive.controls.radard import _LEAD_ACCEL_TAU
 
+from openpilot.sunnypilot.selfdrive.controls.lib.vibe_personality.vibe_personality import VibePersonalityController
+
 if __name__ == '__main__':  # generating code
   from openpilot.third_party.acados.acados_template import AcadosModel, AcadosOcp, AcadosOcpSolver
 else:
@@ -228,6 +230,7 @@ class LongitudinalMpc:
     self.solver = AcadosOcpSolverCython(MODEL_NAME, ACADOS_SOLVER_TYPE, N)
     self.reset()
     self.source = SOURCES[2]
+    self.vibe_controller = VibePersonalityController()
 
   def reset(self):
     # self.solver = AcadosOcpSolverCython(MODEL_NAME, ACADOS_SOLVER_TYPE, N)
@@ -328,10 +331,31 @@ class LongitudinalMpc:
     return lead_xv
 
   def update(self, radarstate, v_cruise, x, v, a, j, personality=log.LongitudinalPersonality.standard):
-    t_follow = get_T_FOLLOW(personality)
     v_ego = self.x0[1]
+
+    # Get following distance
+    if self.vibe_controller.is_follow_enabled():
+      t_follow = self.vibe_controller.get_follow_distance_multiplier(v_ego)
+      if t_follow is None:
+        # Fallback to stock behavior when vibe controller can't provide a value
+        t_follow = get_T_FOLLOW(personality)
+    else:
+      t_follow = get_T_FOLLOW(personality)
+
     self.status = radarstate.leadOne.status or radarstate.leadTwo.status
 
+    # Get acceleration limits
+    if self.vibe_controller.is_accel_enabled():
+      accel_limits = self.vibe_controller.get_accel_limits(v_ego)
+      if accel_limits is not None:
+        min_accel = accel_limits[0]
+      else:
+        min_accel = CRUISE_MIN_ACCEL
+    else:
+      min_accel = CRUISE_MIN_ACCEL
+
+    a_cruise_min = min_accel
+
     lead_xv_0 = self.process_lead(radarstate.leadOne)
     lead_xv_1 = self.process_lead(radarstate.leadTwo)
 
@@ -350,7 +374,7 @@ class LongitudinalMpc:
 
       # Fake an obstacle for cruise, this ensures smooth acceleration to set speed
       # when the leads are no factor.
-      v_lower = v_ego + (T_IDXS * CRUISE_MIN_ACCEL * 1.05)
+      v_lower = v_ego + (T_IDXS * a_cruise_min * 1.05)
       # TODO does this make sense when max_a is negative?
       v_upper = v_ego + (T_IDXS * CRUISE_MAX_ACCEL * 1.05)
       v_cruise_clipped = np.clip(v_cruise * np.ones(N+1),
diff --git a/selfdrive/controls/lib/longitudinal_planner.py b/selfdrive/controls/lib/longitudinal_planner.py
index 53eca38356..87e05ad9ed 100755
--- a/selfdrive/controls/lib/longitudinal_planner.py
+++ b/selfdrive/controls/lib/longitudinal_planner.py
@@ -124,9 +124,22 @@ class LongitudinalPlanner(LongitudinalPlannerSP):
     prev_accel_constraint = not (reset_state or sm['carState'].standstill)
 
     if mode == 'acc':
-      accel_clip = [ACCEL_MIN, get_max_accel(v_ego)]
-      steer_angle_without_offset = sm['carState'].steeringAngleDeg - sm['liveParameters'].angleOffsetDeg
-      accel_clip = limit_accel_in_turns(v_ego, steer_angle_without_offset, accel_clip, self.CP)
+      if self.vibe_controller.is_accel_enabled():
+        # Only get max acceleration from vibe controller, use default ACCEL_MIN for minimum
+        accel_limits = self.vibe_controller.get_accel_limits(v_ego)
+        if accel_limits is not None:
+          max_accel = accel_limits[1]
+          accel_clip = [ACCEL_MIN, max_accel]
+        else:
+          # Fallback to stock if vibe controller returns None
+          accel_clip = [ACCEL_MIN, get_max_accel(v_ego)]
+        # Recalculate limit turn according to the new max limit
+        steer_angle_without_offset = sm['carState'].steeringAngleDeg - sm['liveParameters'].angleOffsetDeg
+        accel_clip = limit_accel_in_turns(v_ego, steer_angle_without_offset, accel_clip, self.CP)
+      else:
+        accel_clip = [ACCEL_MIN, get_max_accel(v_ego)]
+        steer_angle_without_offset = sm['carState'].steeringAngleDeg - sm['liveParameters'].angleOffsetDeg
+        accel_clip = limit_accel_in_turns(v_ego, steer_angle_without_offset, accel_clip, self.CP)
     else:
       accel_clip = [ACCEL_MIN, ACCEL_MAX]
 
diff --git a/selfdrive/ui/qt/offroad/settings.cc b/selfdrive/ui/qt/offroad/settings.cc
index 205a14624a..fc39993296 100644
--- a/selfdrive/ui/qt/offroad/settings.cc
+++ b/selfdrive/ui/qt/offroad/settings.cc
@@ -92,7 +92,15 @@ TogglesPanel::TogglesPanel(SettingsWindow *parent) : ListWidget(parent) {
                                              "your steering wheel distance button."),
                                           "../assets/icons/speed_limit.png",
                                           longi_button_texts);
-
+  // accel controller
+  std::vector<QString> accel_personality_texts{tr("Sport"), tr("Normal"), tr("Eco")};
+  accel_personality_setting = new ButtonParamControlSP("AccelPersonality", tr("Acceleration Personality"),
+                                          tr("Normal is recommended. In sport mode, sunnypilot will provide aggressive acceleration for a dynamic driving experience. "
+                                             "In eco mode, sunnypilot will apply smoother and more relaxed acceleration. On supported cars, you can cycle through these "
+                                             "acceleration personality within Onroad Settings on the driving screen."),
+                                          "",
+                                          accel_personality_texts);
+  accel_personality_setting->showDescription();
   // set up uiState update for personality setting
   QObject::connect(uiState(), &UIState::uiUpdate, this, &TogglesPanel::updateState);
 
@@ -120,6 +128,7 @@ TogglesPanel::TogglesPanel(SettingsWindow *parent) : ListWidget(parent) {
     // insert longitudinal personality after NDOG toggle
     if (param == "DisengageOnAccelerator") {
       addItem(long_personality_setting);
+      addItem(accel_personality_setting);
     }
   }
 
@@ -140,6 +149,13 @@ void TogglesPanel::updateState(const UIState &s) {
     }
     uiState()->scene.personality = personality;
   }
+  if (sm.updated("longitudinalPlanSP")) {
+    auto accel_personality = sm["longitudinalPlanSP"].getLongitudinalPlanSP().getAccelPersonality();
+    if (accel_personality != s.scene.accel_personality && s.scene.started && isVisible()) {
+      accel_personality_setting->setCheckedButton(static_cast<int>(accel_personality));
+    }
+    uiState()->scene.accel_personality = accel_personality;
+  }
 }
 
 void TogglesPanel::expandToggleDescription(const QString &param) {
@@ -186,10 +202,12 @@ void TogglesPanel::updateToggles() {
       experimental_mode_toggle->setEnabled(true);
       experimental_mode_toggle->setDescription(e2e_description);
       long_personality_setting->setEnabled(true);
+      accel_personality_setting->setEnabled(true);
     } else {
       // no long for now
       experimental_mode_toggle->setEnabled(false);
       long_personality_setting->setEnabled(false);
+      accel_personality_setting->setEnabled(true);
       params.remove("ExperimentalMode");
 
       const QString unavailable = tr("Experimental mode is currently unavailable on this car since the car's stock ACC is used for longitudinal control.");
diff --git a/selfdrive/ui/qt/offroad/settings.h b/selfdrive/ui/qt/offroad/settings.h
index a11a300128..02cd557669 100644
--- a/selfdrive/ui/qt/offroad/settings.h
+++ b/selfdrive/ui/qt/offroad/settings.h
@@ -88,6 +88,7 @@ protected:
   Params params;
   std::map<std::string, ParamControl*> toggles;
   ButtonParamControl *long_personality_setting;
+  ButtonParamControl *accel_personality_setting;
 
   virtual void updateToggles();
 };
diff --git a/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.cc b/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.cc
index 31124a3242..9f5fbdc511 100644
--- a/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.cc
+++ b/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.cc
@@ -75,6 +75,35 @@ LongitudinalPanel::LongitudinalPanel(QWidget *parent) : QWidget(parent) {
     main_layout->setCurrentWidget(cruisePanelScreen);
   });
 
+
+  // Vibe Personality Controller
+  vibePersonalityControl = new ParamControlSP("VibePersonalityEnabled",
+    tr("Vibe Personality Controller"),
+    tr("Advanced driving personality system with separate controls for acceleration behavior (Eco/Normal/Sport) and following distance/braking (Relaxed/Standard/Aggressive). "
+      "Customize your driving experience with independent acceleration and distance personalities."),
+    "../assets/offroad/icon_shell.png");
+  list->addItem(vibePersonalityControl);
+
+  connect(vibePersonalityControl, &ParamControlSP::toggleFlipped, [=]() {
+    refresh(offroad);
+  });
+
+  // Vibe Acceleration Personality
+  vibeAccelPersonalityControl = new ParamControlSP("VibeAccelPersonalityEnabled",
+    tr("Acceleration Personality"),
+    tr("Controls acceleration behavior: Eco (efficient), Normal (balanced), Sport (responsive). "
+      "Adjust how aggressively the vehicle accelerates while maintaining smooth operation."),
+    "../assets/offroad/icon_shell.png");
+  list->addItem(vibeAccelPersonalityControl);
+
+  // Vibe Following Distance Personality
+  vibeFollowPersonalityControl = new ParamControlSP("VibeFollowPersonalityEnabled",
+    tr("Following Distance Personality"),
+    tr("Controls following distance and braking behavior: Relaxed (longer distance, gentler braking), Standard (balanced), Aggressive (shorter distance, firmer braking). "
+      "Fine-tune your comfort level in traffic situations."),
+    "../assets/offroad/icon_shell.png");
+  list->addItem(vibeFollowPersonalityControl);
+
   main_layout->addWidget(cruisePanelScreen);
   main_layout->addWidget(speedLimitScreen);
   main_layout->setCurrentWidget(cruisePanelScreen);
@@ -135,6 +164,14 @@ void LongitudinalPanel::refresh(bool _offroad) {
       intelligentCruiseButtonManagement->toggleFlipped(false);
     }
   }
+  bool vibePersonalityEnabled = params.getBool("VibePersonalityEnabled");
+  if (vibePersonalityEnabled) {
+    vibeAccelPersonalityControl->setVisible(true);
+    vibeFollowPersonalityControl->setVisible(true);
+  } else {
+    vibeAccelPersonalityControl->setVisible(false);
+    vibeFollowPersonalityControl->setVisible(false);
+  }
 
   bool icbm_allowed = intelligent_cruise_button_management_available && !has_longitudinal_control;
   intelligentCruiseButtonManagement->setEnabled(icbm_allowed && offroad);
@@ -146,6 +183,13 @@ void LongitudinalPanel::refresh(bool _offroad) {
 
   SmartCruiseControlVision->setEnabled(has_longitudinal_control || icbm_allowed);
   SmartCruiseControlMap->setEnabled(has_longitudinal_control || icbm_allowed);
+  // Vibe Personality controls - always enabled for toggling
+  vibePersonalityControl->setEnabled(true);
+  vibeAccelPersonalityControl->setEnabled(true);
+  vibeFollowPersonalityControl->setEnabled(true);
+  vibePersonalityControl->refresh();
+  vibeAccelPersonalityControl->refresh();
+  vibeFollowPersonalityControl->refresh();
 
   offroad = _offroad;
 }
diff --git a/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.h b/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.h
index a94369a560..bb4bc132ad 100644
--- a/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.h
+++ b/selfdrive/ui/sunnypilot/qt/offroad/settings/longitudinal_panel.h
@@ -37,4 +37,8 @@ private:
   ParamControl *intelligentCruiseButtonManagement = nullptr;
   SpeedLimitSettings *speedLimitScreen;
   PushButtonSP *speedLimitSettings;
+
+  ParamControlSP *vibePersonalityControl;
+  ParamControlSP *vibeAccelPersonalityControl;
+  ParamControlSP *vibeFollowPersonalityControl;
 };
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index 5b3872b3d4..c2dc68e98e 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -60,6 +60,7 @@ typedef struct UIScene {
   cereal::PandaState::PandaType pandaType;
 
   cereal::LongitudinalPersonality personality;
+  cereal::LongitudinalPlanSP::AccelerationPersonality accel_personality;
 
   float light_sensor = -1;
   bool started, ignition, is_metric, recording_audio;
diff --git a/sunnypilot/selfdrive/controls/lib/longitudinal_planner.py b/sunnypilot/selfdrive/controls/lib/longitudinal_planner.py
index 4c2443f253..629f185cd9 100644
--- a/sunnypilot/selfdrive/controls/lib/longitudinal_planner.py
+++ b/sunnypilot/selfdrive/controls/lib/longitudinal_planner.py
@@ -17,6 +17,7 @@ from openpilot.sunnypilot.selfdrive.controls.lib.speed_limit.speed_limit_resolve
 from openpilot.sunnypilot.selfdrive.selfdrived.events import EventsSP
 from openpilot.sunnypilot.models.helpers import get_active_bundle
 
+from openpilot.sunnypilot.selfdrive.controls.lib.vibe_personality.vibe_personality import VibePersonalityController
 DecState = custom.LongitudinalPlanSP.DynamicExperimentalControl.DynamicExperimentalControlState
 LongitudinalPlanSource = custom.LongitudinalPlanSP.LongitudinalPlanSource
 
@@ -29,6 +30,7 @@ class LongitudinalPlannerSP:
     self.scc = SmartCruiseControl()
     self.resolver = SpeedLimitResolver()
     self.sla = SpeedLimitAssist(CP)
+    self.vibe_controller = VibePersonalityController()
     self.generation = int(model_bundle.generation) if (model_bundle := get_active_bundle()) else None
     self.source = LongitudinalPlanSource.cruise
     self.e2e_alerts_helper = E2EAlertsHelper()
@@ -81,6 +83,7 @@ class LongitudinalPlannerSP:
     self.events_sp.clear()
     self.dec.update(sm)
     self.e2e_alerts_helper.update(sm, self.events_sp)
+    self.vibe_controller.update()
 
   def publish_longitudinal_plan_sp(self, sm: messaging.SubMaster, pm: messaging.PubMaster) -> None:
     plan_sp_send = messaging.new_message('longitudinalPlanSP')
diff --git a/sunnypilot/selfdrive/controls/lib/vibe_personality/__init__.py b/sunnypilot/selfdrive/controls/lib/vibe_personality/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/sunnypilot/selfdrive/controls/lib/vibe_personality/vibe_personality.py b/sunnypilot/selfdrive/controls/lib/vibe_personality/vibe_personality.py
new file mode 100644
index 0000000000..b0154579eb
--- /dev/null
+++ b/sunnypilot/selfdrive/controls/lib/vibe_personality/vibe_personality.py
@@ -0,0 +1,331 @@
+"""
+Copyright (c) 2021-, rav4kumar, Haibin Wen, sunnypilot, and a number of other contributors.
+
+This file is part of sunnypilot and is licensed under the MIT License.
+See the LICENSE.md file in the root directory for more details.
+"""
+
+from cereal import log, custom
+import numpy as np
+from openpilot.common.realtime import DT_MDL
+from openpilot.common.params import Params
+
+LongPersonality = log.LongitudinalPersonality
+AccelPersonality = custom.LongitudinalPlanSP.AccelerationPersonality
+
+# Acceleration Profiles mapped to AccelPersonality (eco/normal/sport)
+MAX_ACCEL_PROFILES = {
+  AccelPersonality.eco:       [2.00, 2.00, 1.32, 0.85, .58,  .46, .365, .317, .089],  # eco
+  AccelPersonality.normal:    [2.00, 2.00, 1.42, 1.10, .65,  .56, .43, .36, .12],   # normal
+  AccelPersonality.sport:     [2.00, 2.00, 1.52, 1.40, .80,  .70, .53, .46, .20],   # sport
+}
+MAX_ACCEL_BREAKPOINTS =       [0.,   6.,   9.,   11.,  16.,  20., 25., 30., 55.]
+
+# Braking profiles mapped to LongPersonality (relaxed/standard/aggressive)
+MIN_ACCEL_PROFILES = {
+  LongPersonality.relaxed:    [-1.20, -1.20],  # gentler braking
+  LongPersonality.standard:   [-1.30, -1.30],  # normal braking
+  LongPersonality.aggressive: [-1.40, -1.40],  # more aggressive braking
+}
+MIN_ACCEL_BREAKPOINTS =       [0., 50.]
+
+# Following Distance Profiles mapped to LongPersonality (relaxed/standard/aggressive)
+FOLLOW_DISTANCE_PROFILES = {
+  LongPersonality.relaxed: {
+    'x_vel':  [0.,   19.7, 22.2, 40.],
+    'y_dist': [1.40, 1.40, 1.65, 1.65]  # longer following distance
+  },
+  LongPersonality.standard: {
+    'x_vel':  [0.,   19.7, 22.2, 40.],
+    'y_dist': [1.35, 1.35, 1.40, 1.40]  # normal following distance
+  },
+  LongPersonality.aggressive: {
+    'x_vel':  [0.,   19.7, 22.2, 40.],
+    'y_dist': [1.20, 1.20, 1.30, 1.30]  # shorter following distance
+  }
+}
+
+class VibePersonalityController:
+  """
+  Controller for managing separated acceleration and distance controls:
+  - AccelPersonality controls acceleration behavior (eco, normal, sport)
+  - LongPersonality controls braking and following distance (relaxed, standard, aggressive)
+  """
+
+  def __init__(self):
+    self.params = Params()
+    self.frame = 0
+
+    # Separate personalities for acceleration and distance control
+    self.accel_personality = AccelPersonality.normal
+    self.long_personality = LongPersonality.standard
+
+    # Parameter keys
+    self.param_keys = {
+      'accel_personality': 'AccelPersonality',        # eco=0, normal=1, sport=2
+      'long_personality': 'LongitudinalPersonality',  # relaxed=0, standard=1, aggressive=2
+      'enabled': 'VibePersonalityEnabled',
+      'accel_enabled': 'VibeAccelPersonalityEnabled',
+      'follow_enabled': 'VibeFollowPersonalityEnabled'
+    }
+
+    print(f"[VIBE_DEBUG] Initializing VibePersonalityController - accel_personality: {self.accel_personality}, long_personality: {self.long_personality}")
+
+    # Precompute slopes for all personalities
+    self._precompute_slopes()
+
+  def _precompute_slopes(self):
+    """Precompute all interpolation slopes for efficiency"""
+    self.max_accel_slopes = {}
+    self.min_accel_slopes = {}
+    self.follow_distance_slopes = {}
+
+    # Precompute for AccelPersonality (acceleration)
+    for personality in [AccelPersonality.eco, AccelPersonality.normal, AccelPersonality.sport]:
+      if personality in MAX_ACCEL_PROFILES:
+        self.max_accel_slopes[personality] = self._compute_slopes(MAX_ACCEL_BREAKPOINTS, MAX_ACCEL_PROFILES[personality])
+
+    # Precompute for LongPersonality (braking and following)
+    for personality in [LongPersonality.relaxed, LongPersonality.standard, LongPersonality.aggressive]:
+      if personality in MIN_ACCEL_PROFILES:
+        self.min_accel_slopes[personality] = self._compute_slopes(MIN_ACCEL_BREAKPOINTS, MIN_ACCEL_PROFILES[personality])
+
+      if personality in FOLLOW_DISTANCE_PROFILES:
+        profile = FOLLOW_DISTANCE_PROFILES[personality]
+        self.follow_distance_slopes[personality] = self._compute_slopes(profile['x_vel'], profile['y_dist'])
+
+  def _update_from_params(self):
+    """Update personalities from params (rate limited)"""
+    if self.frame % int(1. / DT_MDL) != 0:
+      return
+
+    # Update AccelPersonality
+    try:
+      accel_personality_str = self.params.get(self.param_keys['accel_personality'], encoding='utf-8')
+      if accel_personality_str:
+        accel_personality_int = int(accel_personality_str)
+        if accel_personality_int in [AccelPersonality.eco, AccelPersonality.normal, AccelPersonality.sport]:
+          if accel_personality_int != self.accel_personality:
+            print(f"[VIBE_DEBUG] AccelPersonality changed from {self.accel_personality} to {accel_personality_int}")
+          self.accel_personality = accel_personality_int
+    except (ValueError, TypeError):
+      pass
+
+    # Update LongPersonality
+    try:
+      long_personality_str = self.params.get(self.param_keys['long_personality'], encoding='utf-8')
+      if long_personality_str:
+        long_personality_int = int(long_personality_str)
+        if long_personality_int in [LongPersonality.relaxed, LongPersonality.standard, LongPersonality.aggressive]:
+          if long_personality_int != self.long_personality:
+            print(f"[VIBE_DEBUG] LongPersonality changed from {self.long_personality} to {long_personality_int}")
+          self.long_personality = long_personality_int
+    except (ValueError, TypeError):
+      pass
+
+  def _get_toggle_state(self, key: str, default: bool = True) -> bool:
+    """Get toggle state with default fallback"""
+    return self.params.get_bool(self.param_keys.get(key, key)) if key in self.param_keys else default
+
+  def _set_toggle_state(self, key: str, value: bool):
+    """Set toggle state in params"""
+    if key in self.param_keys:
+      self.params.put_bool(self.param_keys[key], value)
+
+  # AccelPersonality Management (for acceleration)
+  def set_accel_personality(self, personality: int) -> bool:
+    """Set AccelPersonality (eco=0, normal=1, sport=2)"""
+    if personality in [AccelPersonality.eco, AccelPersonality.normal, AccelPersonality.sport]:
+      old_personality = self.accel_personality
+      self.accel_personality = personality
+      self.params.put(self.param_keys['accel_personality'], str(personality))
+      print(f"[VIBE_DEBUG] AccelPersonality set: {old_personality} -> {personality}")
+      return True
+    return False
+
+  def cycle_accel_personality(self) -> int:
+    """Cycle through AccelPersonality: eco -> normal -> sport -> eco"""
+    personalities = [AccelPersonality.eco, AccelPersonality.normal, AccelPersonality.sport]
+    current_idx = personalities.index(self.accel_personality)
+    next_personality = personalities[(current_idx + 1) % len(personalities)]
+    self.set_accel_personality(next_personality)
+    return next_personality
+
+  def get_accel_personality(self) -> int:
+    """Get current AccelPersonality"""
+    self._update_from_params()
+    return self.accel_personality
+
+  # LongPersonality Management (for braking and following distance)
+  def set_long_personality(self, personality: int) -> bool:
+    """Set LongPersonality (relaxed=0, standard=1, aggressive=2)"""
+    if personality in [LongPersonality.relaxed, LongPersonality.standard, LongPersonality.aggressive]:
+      old_personality = self.long_personality
+      self.long_personality = personality
+      self.params.put(self.param_keys['long_personality'], str(personality))
+      print(f"[VIBE_DEBUG] LongPersonality set: {old_personality} -> {personality}")
+      return True
+    return False
+
+  def cycle_long_personality(self) -> int:
+    """Cycle through LongPersonality: relaxed -> standard -> aggressive -> relaxed"""
+    personalities = [LongPersonality.relaxed, LongPersonality.standard, LongPersonality.aggressive]
+    current_idx = personalities.index(self.long_personality)
+    next_personality = personalities[(current_idx + 1) % len(personalities)]
+    self.set_long_personality(next_personality)
+    return next_personality
+
+  def get_long_personality(self) -> int:
+    """Get current LongPersonality"""
+    self._update_from_params()
+    return self.long_personality
+
+  # Toggle Functions
+  def toggle_personality(self): return self._toggle_flag('enabled')
+  def toggle_accel_personality(self): return self._toggle_flag('accel_enabled')
+  def toggle_follow_distance_personality(self): return self._toggle_flag('follow_enabled')
+
+  def _toggle_flag(self, key):
+    current = self._get_toggle_state(key)
+    self._set_toggle_state(key, not current)
+    return not current
+
+  def set_personality_enabled(self, enabled: bool): self._set_toggle_state('enabled', enabled)
+
+  # Feature-specific enable checks
+  def is_accel_enabled(self) -> bool:
+    self._update_from_params()
+    enabled = self._get_toggle_state('enabled') and self._get_toggle_state('accel_enabled')
+    if enabled:
+      print(f"[VIBE_DEBUG] is_accel_enabled: TRUE using AccelPersonality {self.accel_personality}")
+    return enabled
+
+  def is_follow_enabled(self) -> bool:
+    self._update_from_params()
+    enabled = self._get_toggle_state('enabled') and self._get_toggle_state('follow_enabled')
+    if enabled:
+      print(f"[VIBE_DEBUG] is_follow_enabled: TRUE using LongPersonality {self.long_personality}")
+    return enabled
+
+  def is_enabled(self) -> bool:
+    self._update_from_params()
+    return (self._get_toggle_state('enabled') and
+            (self._get_toggle_state('accel_enabled') or self._get_toggle_state('follow_enabled')))
+
+  def get_accel_limits(self, v_ego: float) -> tuple[float, float] | None:
+    """
+    Get acceleration limits based on current personalities.
+    - Max acceleration from AccelPersonality (eco/normal/sport)
+    - Min acceleration (braking) from LongPersonality (relaxed/standard/aggressive)
+    Returns None if controller is disabled.
+    """
+    self._update_from_params()
+    if not self.is_accel_enabled():
+      return None
+
+    try:
+      print(f"[VIBE_DEBUG] get_accel_limits: AccelPersonality={self.accel_personality}, LongPersonality={self.long_personality}, speed={v_ego:.2f}")
+
+      # Max acceleration from AccelPersonality
+      max_a = self._interpolate(v_ego, MAX_ACCEL_BREAKPOINTS, MAX_ACCEL_PROFILES[self.accel_personality],
+                                self.max_accel_slopes[self.accel_personality])
+
+      # Min acceleration (braking) from LongPersonality
+      min_a = self._interpolate(v_ego, MIN_ACCEL_BREAKPOINTS, MIN_ACCEL_PROFILES[self.long_personality],
+                                self.min_accel_slopes[self.long_personality])
+
+      print(f"[VIBE_DEBUG] get_accel_limits: min_a={min_a:.3f} (from LongPersonality), max_a={max_a:.3f} (from AccelPersonality)")
+      return float(min_a), float(max_a)
+    except (KeyError, IndexError):
+      print(f"[VIBE_DEBUG] get_accel_limits: ERROR - KeyError/IndexError")
+      return None
+
+  def get_follow_distance_multiplier(self, v_ego: float) -> float | None:
+    """Get following distance multiplier based on LongPersonality only"""
+    self._update_from_params()
+    if not self.is_follow_enabled():
+      return None
+
+    try:
+      print(f"[VIBE_DEBUG] get_follow_distance_multiplier: LongPersonality={self.long_personality}, speed={v_ego:.2f}")
+      profile = FOLLOW_DISTANCE_PROFILES[self.long_personality]
+      multiplier = float(self._interpolate(v_ego, profile['x_vel'], profile['y_dist'],
+                                           self.follow_distance_slopes[self.long_personality]))
+      print(f"[VIBE_DEBUG] get_follow_distance_multiplier: multiplier={multiplier:.3f}")
+      return multiplier
+    except (KeyError, IndexError):
+      print(f"[VIBE_DEBUG] get_follow_distance_multiplier: ERROR - KeyError/IndexError")
+      return None
+
+  def get_personality_info(self) -> dict:
+    """Get comprehensive info about current personalities and settings"""
+    self._update_from_params()
+
+    accel_names = {AccelPersonality.eco: "Eco", AccelPersonality.normal: "Normal", AccelPersonality.sport: "Sport"}
+    long_names = {LongPersonality.relaxed: "Relaxed", LongPersonality.standard: "Standard", LongPersonality.aggressive: "Aggressive"}
+
+    info = {
+      "accel_personality": accel_names.get(self.accel_personality, "Unknown"),
+      "accel_personality_int": self.accel_personality,
+      "long_personality": long_names.get(self.long_personality, "Unknown"),
+      "long_personality_int": self.long_personality,
+      "enabled": self._get_toggle_state('enabled'),
+      "accel_enabled": self._get_toggle_state('accel_enabled'),
+      "follow_enabled": self._get_toggle_state('follow_enabled'),
+      "accel_description": f"Acceleration: {accel_names.get(self.accel_personality, 'Unknown')}",
+      "long_description": f"Following/Braking: {long_names.get(self.long_personality, 'Unknown')}",
+    }
+
+    print(f"[VIBE_DEBUG] get_personality_info: {info}")
+    return info
+
+  def get_min_accel(self, v_ego: float) -> float | None:
+    """Get minimum acceleration (braking) from distance mode"""
+    limits = self.get_accel_limits(v_ego)
+    return limits[0] if limits else None
+
+  def get_max_accel(self, v_ego: float) -> float | None:
+    """Get maximum acceleration from drive mode"""
+    limits = self.get_accel_limits(v_ego)
+    return limits[1] if limits else None
+
+  def reset(self):
+    """Reset to default modes"""
+    print(f"[VIBE_DEBUG] Reset to default personalities - accel: {self.accel_personality}, long: {self.long_personality}")
+    self.accel_personality = AccelPersonality.normal
+    self.long_personality = LongPersonality.standard
+    self.frame = 0
+
+  def update(self):
+    """Update frame counter"""
+    self.frame = (self.frame + 1) % 1000000
+
+  def _compute_slopes(self, x, y):
+    """Compute slopes for Hermite interpolation using symmetric difference method."""
+    n = len(x)
+    if n < 2:
+      raise ValueError("At least two points required")
+
+    m = np.zeros(n)
+    for i in range(n):
+      if i == 0:
+        m[i] = (y[1] - y[0]) / (x[1] - x[0])
+      elif i == n-1:
+        m[i] = (y[i] - y[i-1]) / (x[i] - x[i-1])
+      else:
+        m[i] = ((y[i+1] - y[i]) / (x[i+1] - x[i]) + (y[i] - y[i-1]) / (x[i] - x[i-1])) / 2
+    return m
+
+  def _interpolate(self, x, xp, yp, slopes):
+    """Perform cubic Hermite interpolation."""
+    x = np.clip(x, xp[0], xp[-1])
+    idx = np.clip(np.searchsorted(xp, x) - 1, 0, len(slopes) - 2)
+
+    x0, x1 = xp[idx], xp[idx+1]
+    y0, y1 = yp[idx], yp[idx+1]
+    m0, m1 = slopes[idx], slopes[idx+1]
+
+    t = (x - x0) / (x1 - x0)
+    h = [2*t**3 - 3*t**2 + 1, t**3 - 2*t**2 + t, -2*t**3 + 3*t**2, t**3 - t**2]
+
+    return h[0]*y0 + h[1]*(x1 - x0)*m0 + h[2]*y1 + h[3]*(x1 - x0)*m1