OnStar Additional Information

See also:

Under the Hood
The Savana may be equipped with one of four engines. Light-duty, RWD G-Series vans have a 200-hp, 4.3-liter V-6 as the base engine. Three V-8s are available: a 270-hp 4.8-liter, a 285-hp 5.3-liter ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, OnSta ...

General Towing Information
Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following trailer ...