See also:

How to Reset the Engine Oil Life System
The Engine Oil Life System calculates when to change the engine oil and filter based on vehicle use. Whenever the oil is changed, reset the system so it can calculate when the next oil change is ...

Playing a CD or DVD-A Disc
Press the MEM/DVD/AUX button if there is a disc in the player. It begins playing. Information about the disc and current track is shown on the display depending on the data stored. Selectin ...

TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle acce ...