volkswagen: add Audi RS3 2026 MQB EVO Gen2

Add AUDI_A3_MK4 (Audi RS3 2026) on the MQB EVO Gen2 path, select vw_mqbevo_2024, and honor CLUSTER_NO_TA_LANES in the VW LKA HUD.

opendbc_repo/opendbc/car/tests/routes.py

@@ -53,6 +53,7 @@ non_tested_cars = [
   GM.CHEVROLET_TRAILBLAZER_NON_ACC_2ND_GEN,
   GM.CHEVROLET_MALIBU_NON_ACC_9TH_GEN,
   GM.CADILLAC_XT5_NON_ACC_1ST_GEN,
+  VOLKSWAGEN.AUDI_A3_MK4,
   VOLKSWAGEN.VOLKSWAGEN_GOLF_MK8,
   VOLKSWAGEN.SEAT_LEON_MK4,
 ]

opendbc_repo/opendbc/car/torque_data/override.toml

@@ -120,3 +120,5 @@ legend = ["LAT_ACCEL_FACTOR", "MAX_LAT_ACCEL_MEASURED", "FRICTION"]
 
 "VOLKSWAGEN_GOLF_MK8" = [nan, 2.5, nan]
 "SEAT_LEON_MK4" = [nan, 2.5, nan]
+
+"AUDI_A3_MK4" = [nan, 2.5, nan]

opendbc_repo/opendbc/car/volkswagen/carcontroller.py

@@ -177,8 +177,12 @@ class CarController(CarControllerBase):
       hud_alert = 0
       if hud_control.visualAlert in (VisualAlert.steerRequired, VisualAlert.ldw):
         hud_alert = self.CCP.LDW_MESSAGES["laneAssistTakeOver"]
-      can_sends.append(self.CCS.create_lka_hud_control(self.packer_pt, self.CAN.pt, CS.ldw_stock_values, CC.latActive,
-                                                       CS.out.steeringPressed, hud_alert, hud_control))
+      if self.CP.flags & VolkswagenFlags.MQB_EVO_GEN2:
+        can_sends.append(mebcan.create_lka_hud_control(self.packer_pt, self.CAN.pt, self.CP, CS.ldw_stock_values,
+                                                       CC.latActive, CS.out.steeringPressed, hud_alert, hud_control))
+      else:
+        can_sends.append(self.CCS.create_lka_hud_control(self.packer_pt, self.CAN.pt, CS.ldw_stock_values, CC.latActive,
+                                                         CS.out.steeringPressed, hud_alert, hud_control))
 
     if hud_control.leadDistanceBars != self.lead_distance_bars_last:
       self.distance_bar_frame = self.frame

opendbc_repo/opendbc/car/volkswagen/fingerprints.py

@@ -8,6 +8,15 @@ Ecu = CarParams.Ecu
 
 
 FW_VERSIONS = {
+  CAR.AUDI_A3_MK4: {
+    (Ecu.engine, 0x7e0, None): [],
+    (Ecu.transmission, 0x7e1, None): [],
+    (Ecu.srs, 0x715, None): [],
+    (Ecu.eps, 0x712, None): [],
+    (Ecu.fwdRadar, 0x757, None): [
+      b'\xf1\x871N3907567E \xf1\x890550',
+    ],
+  },
   CAR.VOLKSWAGEN_GOLF_MK8: {
     (Ecu.engine, 0x7e0, None): [],
     (Ecu.transmission, 0x7e1, None): [],

opendbc_repo/opendbc/car/volkswagen/mebcan.py

@@ -35,8 +35,8 @@ def create_eps_update(packer, bus, eps_stock_values, ea_simulated_torque):
   return packer.make_can_msg("LH_EPS_03", bus, values)
 
 
-def create_lka_hud_control(packer, bus, ldw_stock_values, lat_active, steering_pressed, hud_alert, hud_control, sound_alert=False):
-  display_mode = 1 if lat_active else 0  # travel assist style showing yellow lanes when op is active
+def create_lka_hud_control(packer, bus, CP, ldw_stock_values, lat_active, steering_pressed, hud_alert, hud_control, sound_alert=False):
+  display_mode = 1 if lat_active and not (CP.flags & VolkswagenFlags.CLUSTER_NO_TA_LANES) else 0  # travel assist style showing yellow lanes when op is active
 
   values = {}
   if len(ldw_stock_values):

opendbc_repo/opendbc/car/volkswagen/values.py

@@ -230,6 +230,8 @@ class VolkswagenFlags(IntFlag):
   MEB = 16
   MEB_GEN2 = 128
   MQB_EVO = 256
+  MQB_EVO_GEN2 = 8192
+  CLUSTER_NO_TA_LANES = 65536
 
 
 @dataclass
@@ -272,6 +274,8 @@ class VolkswagenMQBevoPlatformConfig(PlatformConfig):
 
   def init(self):
     self.flags |= VolkswagenFlags.MQB_EVO
+    if self.flags & VolkswagenFlags.MQB_EVO_GEN2:
+      self.dbc_dict = {Bus.pt: 'vw_mqbevo_2024', Bus.radar: 'vw_mqbevo_2024'}
 
 
 @dataclass
@@ -519,6 +523,13 @@ class CAR(Platforms):
     chassis_codes={"8V", "FF"},
     wmis={WMI.AUDI_GERMANY_CAR, WMI.AUDI_SPORT, WMI.VOLKSWAGEN_CHINA_FAW},
   )
+  AUDI_A3_MK4 = VolkswagenMQBevoPlatformConfig(
+    [VWCarDocs("Audi RS3 2026")],
+    VolkswagenCarSpecs(mass=1650, wheelbase=2.631),
+    chassis_codes={"GY"},
+    wmis={WMI.AUDI_EUROPE_MPV},
+    flags=VolkswagenFlags.MQB_EVO_GEN2 | VolkswagenFlags.CLUSTER_NO_TA_LANES,
+  )
   AUDI_Q2_MK1 = VolkswagenMQBPlatformConfig(
     [VWCarDocs("Audi Q2 2018")],
     VolkswagenCarSpecs(mass=1205, wheelbase=2.61),

opendbc_repo/opendbc/sunnypilot/car/car_list.json

@@ -4911,5 +4911,25 @@
       "2025"
     ],
     "package": "Adaptive Cruise Control (ACC) & Lane Assist"
+  },
+  "Audi RS3 2026": {
+    "platform": "AUDI_A3_MK4",
+    "make": "Audi",
+    "brand": "volkswagen",
+    "model": "RS3",
+    "year": [
+      "2026"
+    ],
+    "package": "Adaptive Cruise Control (ACC) & Lane Assist"
+  },
+  "Volkswagen MQBevo Gen 2 2026": {
+    "platform": "AUDI_A3_MK4",
+    "make": "Volkswagen",
+    "brand": "volkswagen",
+    "model": "MQBevo Gen 2",
+    "year": [
+      "2026"
+    ],
+    "package": "Adaptive Cruise Control (ACC) & Lane Assist"
   }
 }