See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
A. Back-Up Lamp B. Turn Signal Lamp To replace one of these lamps: 1. Open the trunk. See Trunk. 2. Remove the fasteners and pull back the trunk trim. 3. Remove the four plastic wing nuts h ...

Outside Automatic Dimming Mirror
If the vehicle has this feature, the driver side mirror adjusts for the glare of headlamps behind you. This feature is controlled by the on and off settings on the automatic dimming rearview mir ...