OnStar Services

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Overview
The new 2004 Buick Rainier offers a level of style, ride, comfort and performance that sets it apart from other mid-size sport utility vehicles. Rainier comes standard-equipped with a Vortec 4200 ...

First Engine Oil Change After Every 80 000 km/50,000 Miles
• Engine air cleaner filter replacement. See Engine Air Cleaner/Filter. • Automatic transmission fluid change (severe service) for vehicles mainly driven in heavy city traffic in hot weathe ...

Different Size Tires and Wheels
If you add wheels or tires that are a different size than your original equipment wheels and tires, this may affect the way your vehicle performs, including its braking, ride and handling charac ...