See also:

Replacing backup lamp/supplemental tail lamp
The backup lamp and supplemental tail lamps are located in the trunk lid. Follow the same steps to replace either lamp. 1. Make sure the headlamp switch is in the off position and open trunk ...

Aiming the headlamps
The headlamps on your vehicle are properly aimed at the assembly plant. If your vehicle has been in an accident the alignment of your headlamps should be checked by your authorized dealer. Verti ...

Blocked sensor
An extreme build-up of materials on the left and/or right quarter panel fascias such as mud or snow can cause degraded performance of the BLIS . Also, heavy rain can cause the same effect. ...