OnStar Services

See also:

Battery
Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview  for battery location. DANGER Battery posts, terminals, and r ...

Towing Your Vehicle
To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Consult your dealer/retailer or a professional towing service if the disabled vehicle must be towed. Se ...

Windows
WARNING Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from hea ...