diff --git a/selfdrive/car/gm/values.py b/selfdrive/car/gm/values.py
index cf5d6ccf6..3b635944f 100644
--- a/selfdrive/car/gm/values.py
+++ b/selfdrive/car/gm/values.py
@@ -86,8 +86,9 @@ class CarControllerParams:
       max_regen_acceleration = -3. if CP.carFingerprint in EV_CAR else -0.1
       self.BRAKE_SWITCH_MAX = self.MAX_ACC_REGEN if CP.carFingerprint in EV_CAR else self.ZERO_GAS
 
-    self.GAS_LOOKUP_BP = [max_regen_acceleration, 0., self.ACCEL_MAX]
-    self.GAS_LOOKUP_BP_PLUS = [max_regen_acceleration, 0., self.ACCEL_MAX_PLUS]
+    self.max_regen_acceleration = max_regen_acceleration
+    self.GAS_LOOKUP_BP = [self.max_regen_acceleration, 0., self.ACCEL_MAX]
+    self.GAS_LOOKUP_BP_PLUS = [self.max_regen_acceleration, 0., self.ACCEL_MAX_PLUS]
     self.GAS_LOOKUP_V = [self.MAX_ACC_REGEN, self.ZERO_GAS, self.MAX_GAS]
     self.GAS_LOOKUP_V_PLUS = [self.MAX_ACC_REGEN, self.ZERO_GAS, self.MAX_GAS_PLUS]