diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index e798e5327..d96f07249 100644
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -417,10 +417,10 @@ class CarInterface(CarInterfaceBase):
                        CAR.CHEVROLET_BOLT_ACC_2022_2023,
                        CAR.CHEVROLET_BOLT_ACC_2022_2023_PEDAL,
                        CAR.CHEVROLET_BOLT_CC_2022_2023):
-        # Apply 2019-style negative FF and Ki-mult tweaks to 2019-2021 and 2022 variants.
+        # Apply 2019+/2022 generation-specific FF and Ki/Kd tweaks.
         ret.lateralTuning.torque.ki *= 1.07
         ret.lateralTuning.torque.kd *= 0.93
-        ret.lateralTuning.torque.kfDEPRECATED *= 1.20
+        ret.lateralTuning.torque.kfDEPRECATED *= 0.75
 
       if candidate == CAR.CHEVROLET_BOLT_CC_2017:
         ret.lateralTuning.torque.kp *= 1.0
diff --git a/selfdrive/car/interfaces.py b/selfdrive/car/interfaces.py
index a711848d6..6949d0c47 100644
--- a/selfdrive/car/interfaces.py
+++ b/selfdrive/car/interfaces.py
@@ -37,12 +37,12 @@ EventName = car.CarEvent.EventName
 MAX_CTRL_SPEED = (V_CRUISE_MAX + 4) * CV.KPH_TO_MS
 ACCEL_MAX = 2.0
 ACCEL_MIN = -3.5
-FRICTION_THRESHOLD = 0.12
+FRICTION_THRESHOLD = 0.16
 
 def get_friction_threshold(v_ego):
   # Interpolate friction threshold
   from openpilot.common.numpy_fast import interp
-  return interp(v_ego, [1 * CV.MPH_TO_MS, 75 * CV.MPH_TO_MS], [0.12, 0.3])
+  return interp(v_ego, [1 * CV.MPH_TO_MS, 20 * CV.MPH_TO_MS, 75 * CV.MPH_TO_MS], [0.16, 0.19, 0.27])
 
 TORQUE_PARAMS_PATH = os.path.join(BASEDIR, 'selfdrive/car/torque_data/params.toml')
 TORQUE_OVERRIDE_PATH = os.path.join(BASEDIR, 'selfdrive/car/torque_data/override.toml')