These vehicle accessories may be used for up to 10 minutes after the engine is turned off:
The power windows will continue to work for up to 10 minutes or until any door is opened. The radio will work when the key is in ON/RUN or ACC/ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, the radio will continue to work for 10 minutes, or until the driver door is opened or the key is removed from the ignition.
Engine Heater
Shifting Into ParkHazard Warning Flashers
The hazard warning flasher button is on the center stack.
(Hazard Warning Flasher): Press
to make the front and rear turn signal lamps flash on and off.
This warns others that you are having trouble. Press the button again to turn
the flashers off.
When the hazard warning flashers are on, ...
Navigation
OnStar navigation requires a specific OnStar subscription plan.
Press to receive directions or
have them sent to the vehicle navigation screen, if equipped.
Destinations can also be forwarded to the vehicle from MapQuest.com.
Turn-by-Turn Navigation
Press to connect to a live
Advisor.
...
Automatic Transmission Shift Lock Control Function Check
Warning
When you are doing this inspection, the vehicle could move suddenly.
If the vehicle moves, you or others could be injured.
Before starting this check, be sure there is enough room around the vehicle.
It should be parked on a level surface.
Apply the parking brake. Be ready to app ...