Hyundai: set radarOffCan by radar DBC (commaai#23981)

Author: sshane

selfdrive/car/hyundai/interface.py

@@ -2,7 +2,7 @@
 from cereal import car
 from panda import Panda
 from common.conversions import Conversions as CV
-from selfdrive.car.hyundai.values import CAR, EV_CAR, HYBRID_CAR, LEGACY_SAFETY_MODE_CAR, Buttons, CarControllerParams
+from selfdrive.car.hyundai.values import CAR, DBC, EV_CAR, HYBRID_CAR, LEGACY_SAFETY_MODE_CAR, Buttons, CarControllerParams
 from selfdrive.car.hyundai.radar_interface import RADAR_START_ADDR
 from selfdrive.car import STD_CARGO_KG, scale_rot_inertia, scale_tire_stiffness, gen_empty_fingerprint, get_safety_config
 from selfdrive.car.interfaces import CarInterfaceBase
@@ -22,7 +22,7 @@ def get_params(candidate, fingerprint=gen_empty_fingerprint(), car_fw=[], disabl
 
     ret.carName = "hyundai"
     ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.hyundai, 0)]
-    ret.radarOffCan = RADAR_START_ADDR not in fingerprint[1]
+    ret.radarOffCan = RADAR_START_ADDR not in fingerprint[1] or DBC[ret.carFingerprint]["radar"] is None
 
     # WARNING: disabling radar also disables AEB (and we show the same warning on the instrument cluster as if you manually disabled AEB)
     ret.openpilotLongitudinalControl = disable_radar and (candidate not in LEGACY_SAFETY_MODE_CAR)