(re)try letting PI clean up some of this

selfdrive/car/volkswagen/carcontroller.py

@@ -42,9 +42,6 @@ class CarController():
 
       accel = actuators.accel if enabled else 0
 
-      if accel < 0:
-        accel = interp(accel - CS.out.aEgo, [-1.0, -0.5], [2 * accel, accel])
-
       accel = clip(accel, P.ACCEL_MIN, P.ACCEL_MAX) if enabled else 0
 
       acc_hold_request, acc_hold_release = False, False

selfdrive/car/volkswagen/interface.py

@@ -74,7 +74,7 @@ class CarInterface(CarInterfaceBase):
     ret.vEgoStopping = 0.3
     #ret.stopAccel = 0.0
     #ret.startAccel = 0.0
-    ret.longitudinalTuning.kpV = [0.1]
+    ret.longitudinalTuning.kpV = [0.3]
     ret.longitudinalTuning.kiV = [0.0]
 
     # Per-chassis tuning values, override tuning defaults here if desired