Fast Facts
GM Goodwrench Remote Diagnostics
If your Check Engine light comes on, push the blue OnStar button and an OnStar Advisor can:
- Run a GM Goodwrench On Demand Diagnostics check of your engine.
- Tell you whether to continue driving or find a safe place to stop and wait for Roadside Assistance.
- Contact a Roadside Assistance provider with your exact location.
- Assist you in scheduling a service appointment for you if necessary.
*OnStar Vehicle Diagnostics is available on 2004 Model Year and newer GM models delivered after 4/21/04 and equipped with the GM Oil Life System. Requires valid e-mail address. The costs of required maintenance are not included in this service. 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).