See also:

Leaving After Parking on a Hill
1. Apply and hold the brake pedal while you: 1.1. Start the engine. 1.2. Shift into a gear. 1.3. Release the parking brake. 2. Let up on the brake pedal. 3. Drive slowly until the trailer is ...

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 ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...