See also:

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 ...

Timer
This display can be used as a timer. To start the timer, press SET/CLR while Timer is displayed. The display will show the amount of time that has passed since the timer was last reset, not i ...

Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the engine is turned off: • Audio System • Power Windows • Sunroof (If Equipped) • Auxiliary Power Outlet Power to the ...