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:
Vehicle Information Menu Items
(Vehicle Information): Press this button to scroll through the following menu items:
OIL LIFE
Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate ...
How to Add Coolant to the Recovery Tank
WARNING
You can be burned if you spill coolant on hot engine parts.
Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine.
Notic ...
Safety
GM is aggressive in promoting the benefits of OnStar 8.0. New-truck buyers
get a one-year subscription to the Safe and Sound Plan, after which owners can
subscribe annually. If an airbag deploys, ...