See also:

Rear Window Wiper/Washer
The rear wiper and rear wash button is located on the instrument panel below the climate control system. (Rear Wiper): Press to turn the rear wiper on and off. The wiper speed cannot be changed. ( ...

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 needs, your ...

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 ...