See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diagnos ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ○ Avoid fast starts and accelerate smoothly. ○ Brake gradually and avoid abrup ...

Exterior
The regular-length Savana rides a 135-inch wheelbase and measures 218.8 inches long, and extended-length models have a 155-inch wheelbase and stretch to 238.8 inches overall. These vans are consid ...