See also:

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 o ...

When the System Does Not Seem to Work Properly
Occasional missed alerts can occur under normal circumstances and will increase in wet conditions. The system does not need to be serviced due to an occasional missed alert. The number of mis ...

Cadillac Owner Privileges™
- Emergency Fuel Delivery: Delivery of enough fuel for the vehicle to get to the nearest service station. - Lock-Out Service: Service to unlock the vehicle if you are locked out. A remote un ...