OnStar

See also:

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 ...

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...

Certification Label
Label Example A vehicle-specific Certification label is attached to the lower center pillar on the driver side of the vehicle or on the rear edge of the driver door. The label shows the size of ...