OnStar Services

See also:

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles dr ...

Folding the Seatback
To fold the second row seatbacks: 1. Remove anything on or under the seat. 2. Place the armrest in the upright position, and unfasten the safety belt. 3. Pull forward on the reclining seatback stra ...

Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary whi ...