Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the
electrical cord.
3.6L V6 Engine
The electrical cord is located on
the driver side of the engine
compartment, between the
fender and ...
RDS Messages
ALERT!: Alert warns of local or national
emergencies. When an alert announcement
comes on the current radio station, ALERT!
displays. You will hear the announcement, even if
the volume is low or a ...
Heated Mirrors
The vehicle has heated mirrors:
(Rear Window Defogger): Press to heat the mirrors.
See “Rear Window Defogger” under Dual Automatic Climate Control System for more information. ...