Reactivation for Subsequent Owners
Push 
and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Rear Vision Camera (RVC)
The vehicle may have a rear vision camera system. Read this entire section before using it.
WARNING
The RVC system does not display pedestrians, bicyclists, animals, or any other object located outs ...
Exterior
The Canyon is saddled with an angular headlight brow, borrowed from the
Colorado, that forces a more trapezoidal execution of the grille than do
standard GMC truckfront ends. Other GMC trucks, inc ...
If No Steam is Coming from the Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message, along with a low coolant condition, can indicate a serious problem.
If there is an engine overheat warning, but no stea ...