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:
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if:
• The key is in the ignition (key
access) or the ignition is in any
position other than OFF (keyless
access).
• The transmitter is in the vehicle
(k ...
Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby.
If possible, use the Roadside Assistance Program .
To get help and keep everyone in the vehicle saf ...
Towing with a Stability Control
System
When towing, the sound of the
stability control system might be
heard. The system is reacting to the
vehicle movement caused by the
trailer, which mainly occurs during
cornering. This is nor ...