See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diagnos ...

New for 2011
There are only marginal changes for the 2011 GMC Canyon, including the availability of the latest generation of OnStar — GM's in-truck information and telecommunications service — Bluetooth wi ...

Service Publications Ordering Information
Service Manuals Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. Service Bulletins Service Bulletin ...