diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index af712fe423..14e6be4361 100644
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -286,6 +286,7 @@ class CarInterface(CarInterfaceBase):
 
     elif candidate in CC_ONLY_CAR:
       ret.flags |= GMFlags.CC_LONG.value
+      ret.safetyConfigs[0].safetyParam |= Panda.FLAG_GM_CC_LONG
       ret.radarUnavailable = True
       ret.experimentalLongitudinalAvailable = False
       ret.minEnableSpeed = 24 * CV.MPH_TO_MS