See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Cargo Cover
For vehicles with a cargo cover, use it to cover items in the rear of the vehicle. To remove the cover from the vehicle, pull both ends toward each other. To reinstall, place each end of the cover ...

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 ...