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 Care Centre, Mail Code:
CA1-163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7
See also:
Turn and Lane-Change Signals
Turn and Lane-Change Signals
Move the lever all the way up or
down to signal a turn.
An arrow on the instrument panel
cluster flashes in the direction of the
turn or lane change.
Raise or l ...
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat
or rolling terrain. Tips for driving in these conditions include:
Keep the vehicle serviced and in good shape.
Che ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has chan ...
