See also:

Wheel Alignment and Tire Balance
The tires and wheels were aligned and balanced at the factory to provide the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Center Dome Lamps
There are front and rear dome lamps. The dome lamp controls are located in the overhead console. To change the settings, press the following: : Turns the lamp off, even when a door is open. : ...