See also:

Headlamp Aiming
The headlamp aiming system has been preset at the factory. If the vehicle is damaged in an accident, the aim of the headlamps may be affected and adjustment may be necessary. It is recommended tha ...

Taillamps, Turn Signal, Sidemarker, Stoplamps, and Back-Up Lamps
A. Stop/Tail/Turn Signal/ Sidemarker Lamp B. Auxiliary Taillamp C. Back-up Lamp ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...