OnStar Services

See also:

Tilt Wheel
The steering wheel should be adjusted before you drive. The tilt lever is located to the left of the steering column, under the turn signal lever. It can be raised to the highest level to give ...

Inflation - Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Notice: Do not let anyone tell you that under-inflation or over-inflation is all right. It is not. If your tires do not have e ...

Delayed Door Lock
When on, this feature will delay the locking of the doors until five seconds after the last door is closed. You will hear three chimes to signal delayed locking is in use. Pressing either the ...