Every 2008 and most 2009 GM Vehicles come with a 
*Available on 2004 MY & newer GM models equipped with the GM Oil Life System. Diagnostics not available on Cadillac Catera, Pontiac Vibe and Saab 9-3 and 9-5. Diagnostic services vary on Cadillac SRX V8, Saturn VUE, Ion and L-Series, Chevy Silverado diesel and GMC Sierra diesel. For details, call 1-888-4-ONSTAR (1-888-466-7827).
**Whichever comes first. Excludes 2009 Saab vehicles. See dealer for limited warranty details.
**Whichever comes first. Excludes 2009 Saab vehicles. See dealer for limited warranty details.