- GM.com - Check out the list of newest Cars coming out like the 2010 Volt
- Chevy.com - 2010 New Chevy Cars, Trucks and SUV's Promotions and Warranty information.
- OnStar - Explore the world's most comprehensive in-vehicle security, communications, and diagnostics system — available on more than 50 GM models
- Kelly Blue Book - Value your Used Trade-in or See your New Car Value.
- CarFax - Used Car Vin Check, Auto History Check, Vin Number Lookup
- Edmunds.com - Research New and Used Cars for consumer Ratings and Value
- Black Book - Another great source for Valuing your New Vehicle or Used car Trade.
- Wikipedia - Read about History of GM and current valuable information.