See also:

Fast Idle System
If the vehicle has this feature it is available only with cruise control. The manual fast idle switch is operated using the cruise control buttons located on the left hand side of the steering wheel. ...

Lamps
Properly working headlamps, taillamps, and brake lamps are important to see and be seen on the road. • Signs that the headlamps need attention include dimming, failure to light, cracking, or damage ...

Online Owner Center
GMC Owner Center (U.S.) www.gmcownercenter.com Information and services customized for your specific vehicle — all in one convenient place. • Digital owner manual, warranty information, and more ...