Removal and installation the trailer recognition control unit "J345"
When replacing a used one, select the Guided search for faults mode. or the "Replacement" function for the corresponding used part. Open the right side trim panel of the trunk. Unlock the "arrow" clamps and remove the used parking assistant "J345" "pos. 1" from the mounting frame. Disconnect plug connectors "2" and "3".
Installation in reverse order.