See also:

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, an ...

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 ...

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overv ...