See also:

Navigating Folders 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 hold to go back to the previous folder list. 3. Press and rel ...

Reading Lamps
For vehicles with reading lamps, they are located on the overhead console. To turn on the reading lamps, press the button located next to each lamp. To turn them off, press the button again. The veh ...

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 ...