fix

selfdrive/car/hyundai/interface.py

@@ -209,7 +209,7 @@ class CarInterface(CarInterfaceBase):
       if rt_avail and rt_avail_cache:
         pass
       else:
-        params.put_bool_nonblocking("HyundaiRadarTracksAvailableCache", rt_avail)
+        params.put_bool_nonblocking("HyundaiRadarTracksAvailableCache", bool(rt_avail))
         fingerprint = ast.literal_eval(params.get("Fingerprints", encoding="utf8"))
         if RADAR_START_ADDR in fingerprint[1] and DBC[CP.carFingerprint]["radar"] is not None:
           params.put_bool_nonblocking("HyundaiRadarTracksAvailable", True)

system/manager/manager.py

@@ -72,6 +72,8 @@ def manager_init() -> None:
     ("HandsOnWheelMonitoring", "0"),
     ("HasAcceptedTermsSP", "0"),
     ("HideVEgoUi", "0"),
+    ("HyundaiRadarTracksAvailable", "0"),
+    ("HyundaiRadarTracksAvailableCache", "0"),
     ("LastSpeedLimitSignTap", "0"),
     ("LkasToggle", "0"),
     ("MadsIconToggle", "1"),