See also:

Overview (Radio with CD)
A. VOL/ - Turns the system on or off and adjusts the volume. B. Buttons 1 to 6 - Radio: Saves and selects favorite stations. C. TUNE - Radio: Manually selects radio stations. - CD: Selec ...

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 acces ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life sy ...