OnStar Services

See also:

Exterior
For 2006, a new front grille and tri-shield emblem are installed. Sculpted wheel flares and shoulders are meant to enhance the Rainier's appearance. Clear headlights have offset high/low beam fixt ...

Vehicle Personalization
The audio system controls are used to access the personalization menus for customizing vehicle features. CONFIG (Configuration): Press to access the Configuration Settings menu. Menu Knob: ...

Trailer Brakes
Because the vehicle has antilock brakes, do not try to tap into the vehicle’s hydraulic brake system. If you do, both brake systems will not work well, or at all. Does your trailer have its own ...