diff --git a/opendbc_repo/opendbc/car/gm/carstate.py b/opendbc_repo/opendbc/car/gm/carstate.py
index 601c3f1d..eefbc210 100644
--- a/opendbc_repo/opendbc/car/gm/carstate.py
+++ b/opendbc_repo/opendbc/car/gm/carstate.py
@@ -186,6 +186,9 @@ class CarState(CarStateBase):
     # FrogPilot variables
     fp_ret = custom.FrogPilotCarState.new_message()
 
+    if self.CP.transmissionType == TransmissionType.direct:
+      self.single_pedal_mode |= ret.regenBraking and ret.gearShifter == GearShifter.manumatic
+
     return ret, fp_ret
 
   @staticmethod