diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index 91d71584d..9b6003ef3 100644
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -136,6 +136,10 @@ class CarInterface(CarInterfaceBase):
         ret.openpilotLongitudinalControl = True
         ret.safetyConfigs[0].safetyParam |= Panda.FLAG_GM_HW_CAM_LONG
 
+      # CAM_LONG flag only if camera-capable and conditional_experimental_mode enabled
+      if candidate in CAMERA_ACC_CAR and getattr(frogpilot_toggles, "conditional_experimental_mode", False):
+        ret.safetyConfigs[0].safetyParam |= Panda.FLAG_GM_HW_CAM_LONG
+
     elif candidate in SDGM_CAR:
       ret.longitudinalTuning.kiV = [0., 0., 0.]  # TODO: tuning
       ret.experimentalLongitudinalAvailable = False