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 Q to try the call again or try again after driving a few miles into another cellular area. 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:
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...
Compass Recalibration
This display allows for calibrating the compass. See Compass on page 5‑6 for more information. ...
Universal Remote System Programming
Vehicles with the Universal Remote System will have these buttons located in the headliner.
This system provides a way to replace up to three remote control transmitters used to activate devices su ...