OnStar Services
See also:
Customer Satisfaction Procedure
Your satisfaction and goodwill are important to
your dealer and to Buick. Normally, any concerns with
the sales transaction or the operation of your vehicle will
be resolved by your GM dealer’ ...
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
Detroi ...
Transmission
Automatic Transmission
P: Park
R: Reverse
N: Neutral
D: Drive
Manual Mode
Move the selector lever from D (Drive) to the left. Press the shift lever forward (+) to upshift or rearward ( ...
