OnStar Services

See also:

Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it ...

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. WARNING Battery posts, terminals, an ...

Lumbar Adjustment
Lumbar Adjustment To adjust the lumbar support, if available: • Press and hold the front or rear of the control to increase or decrease lumbar support. • Press and hold the top or botto ...