OnStar Services

See also:

Front Seats
The front seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to move the head r ...

How to Detect a Tamper Condition
If is pressed and the horn sounds, an attempted break-in has occurred while the system was armed. If the alarm has been activated, the THEFT ATTEMPTED message will appear on the DIC. See A ...

Power Door Locks
Select Power Door Locks and the following will be displayed: - Unlocked Door Anti Lock Out - Auto Door Unlock - Delayed Door Lock ...