See also:

Consistency of Readings
Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsiste ...

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 options ava ...

Exterior Lamp Controls
The exterior lamp control is on the turn signal/lane change lever. (Exterior Lamp Control): Operates the exterior lamps. Turn to one of the following positions: (Off): Briefly turn to this pos ...