Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...
Services Provided
• 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 unlock ...
Wiper Blade Replacement
Windshield wiper blades should be inspected for wear and cracking. See Maintenance
Schedule on page 11‑3 for more information.
Replacement blades come in different types and are removed in di ...