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 needs, your d ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free Calling ar ...

Under the Hood
The Savana can be equipped with one of four engines: a 195-horsepower, 4.3-liter V-6; a 285-hp, 4.8-liter V-8; a 295-hp, 5.3-liter V-8; or a 300-hp, 6.0-liter V-8. Each engine teams with a four-sp ...