headlight level sensor problem volvo headlight level sensor problem volvo low beam bulb failure triggered by low beam head lights not working headlamp system malfunction low beam head lights not working low beam head lights not working alarm system volvo v40 forums low voltage at low beam headlamp low beam head lights not working low beam head lights not working low beam head lights not working low voltage at low beam headlamp low beam head lights not working headlamp system malfunction volvo s v40 rear suspension rod r r suspension problems volvo forums stripped control arm bolt stripped control arm bolt v40 1 6 2016g position light