See also:

Headlamp Aiming
Headlamp aim has been preset and should need no further adjustment. If the vehicle is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps is necessary, see your deal ...

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 ...

Selecting Tracks on an iPod or USB Device (Vehicles without a Navigation System)
1. Press and hold or while listening to a song until the contents of the current folder display on the radio display. 2. Press and release or to scroll up or down the list, then press and hold ...