update behavior

selfdrive/car/volkswagen/volkswagencan.py

@@ -18,10 +18,19 @@ def create_mqb_steering_control(packer, bus, apply_steer, idx, lkas_enabled):
 def create_mqb_hud_control(packer, bus, enabled, steering_pressed, hud_alert, left_lane_visible, right_lane_visible,
                            ldw_lane_warning_left, ldw_lane_warning_right, ldw_side_dlc_tlc, ldw_dlc, ldw_tlc,
                            standstill, left_lane_depart, right_lane_depart):
+  # Lane color reference:
+  # 0 - nothing (LKAS disabled)
+  # 1 - gray (LKAS enabled, no lane line detected)
+  # 2 - green on VW, green or white on Audi depedning on year or virtual cockpit (LKAS enabled, lane detected)
+  # 3 - green with arrow on VW, red on Audi (LKAS enabled, lane departure detected)
+
+  # not using standstill right now
+
   if enabled:
-    left_lane_hud = 3 if left_lane_visible and not standstill else 2
-    right_lane_hud = 3 if right_lane_visible and not standstill else 2
+    left_lane_hud = 2 if left_lane_visible else 1
+    right_lane_hud = 2 if right_lane_visible else 1
   else:
+    # On stock, this would be 0, but on stock you'd never go from 0 to 3.  Currently OP will still detect lane departures so always be at least 1.
     left_lane_hud = 1
     right_lane_hud = 1