OnStar Services

See also:

Tire Sealant
Read and follow the safe handling instructions on the label adhered to the sealant canister. Check the tire sealant expiration date on the sealant canister. The sealant canister should be rep ...

Instrument Panel Brightness
(Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights. The knob for this control is located next to the exterior lamps control. Push the knob in a ...

Maintenance II
• Perform all services described in Maintenance I. • Steering and suspension inspection. Visual inspection for damaged, loose, or missing parts or signs of wear. • Engine cooling system in ...