diff --git a/selfdrive/car/interfaces.py b/selfdrive/car/interfaces.py
index 7697ff3c983841..dadd9c5ce9d353 100644
--- a/selfdrive/car/interfaces.py
+++ b/selfdrive/car/interfaces.py
@@ -18,7 +18,7 @@
 
 MAX_CTRL_SPEED = (V_CRUISE_MAX + 4) * CV.KPH_TO_MS
 ACCEL_MAX = 2.0
-ACCEL_MIN = -3.5
+ACCEL_MIN = -4.0
 TORQUE_PARAMS_PATH = os.path.join(BASEDIR, 'selfdrive/car/torque_data/params.yaml')
 TORQUE_OVERRIDE_PATH = os.path.join(BASEDIR, 'selfdrive/car/torque_data/override.yaml')
 TORQUE_SUBSTITUTE_PATH = os.path.join(BASEDIR, 'selfdrive/car/torque_data/substitute.yaml')