General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

See also:
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer
or an underbody car washing system can do this. If not removed, rust and corrosion
can develop. ...
2004 Buick Rainier Review
The 2004 Buick Rainier leaves little doubt that an automaker can create two
different vehicles with different characters from one platform.
That's good news, considering all the automakers have ma ...
Headlamp Aiming
Headlamp aim has been preset and should need no further adjustment. If the vehicle
is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps
is necessary, see your de ...
