See also:

Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation nee ...

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 ...

Park Tilt Mirrors
If the vehicle has memory mirrors, the outside mirrors have park tilt mirrors. This feature tilts the driver’s side and passenger side mirror to a factory programmed position when the vehicle ...