OnStar

See also:

Headlamp Washer
For vehicles with headlamp washers they clear debris from the headlamp lenses. The headlamp washers are beneath the headlamps. Press the washer button at the end of the windshield wiper le ...

Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: - Always use engine ...

Setting the Power Liftgate Intermediate Mode
To change the liftgate stop position: 1. Turn the liftgate switch to either the MAX, or the ¾ mode position and power open the liftgate. 2. Stop the liftgate movement at the desired hei ...