Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136
In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 (French), or
write:
General Motors of Canada Limited
Customer Communication Centre, CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
See also:
How to Check Automatic Transmission
Fluid (4.6L Engine)
For the 4.6L V8 engine, it is not necessary to check the
transmission fluid level. A transmission fluid leak is
the only reason for fluid loss. If a leak occurs, take the
vehicle to your dealer/ ...
Vehicle Identification Number (VIN)
Vehicle Identification
Number (VIN)
This legal identifier is in the front
corner of the instrument panel, on
the left side of the vehicle. It can be
seen through the windshield from
outsi ...
Power Seats
To adjust a power seat, do any of the following:
• Move the seat forward or rearward by sliding the
control forward or rearward.
• Raise or lower the front part of the seat cushion by
movi ...