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:
Engine Identification
The eighth character in the VIN is the engine code. This code identifies the
vehicle's engine, specifications, and replacement parts. See “Engine Specifications”
under Capacities and Speci ...
Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving
the vehicle without a trailer. This can help to avoid situations that require heavy
braking and sudden turns. ...
Footnotes — Maintenance Schedule Additional Required Services — Normal
a) Or every two years, whichever comes first. More frequent replacement may be needed if the vehicle is driven in areas with heavy traffic, areas with poor air quality, or areas with high dust levels. ...