See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time ...

Taillamps and Back-Up Lamps
A. Taillamp B. Back-up Lamp To replace an auxiliary taillamp or back-up lamp bulb: 1. Open the trunk. See Trunk. 2. Remove the three fasteners from the trunk trim. 3. Pull back the trunk trim ...