See also:

Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is reco ...

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, ...

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 ...