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:
Noise Control System
The following information relates to compliance with federal noise emission standards for vehicles with a Gross Vehicle Weight Rating (GVWR) of more than 4 536 kg (10,000 lbs). The noise control syste ...
Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a
Punctured Tire
Follow the directions closely for correct sealant usage.
When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes.
This will h ...
Four-Way Power Driver Seat
A. Seat Position Handle
B. Height Adjustment Control
To adjust the seat:
○ Move the seat forward or rearward using the handle under the front of the seat
cushion (A). See Seat Adjustment ...





