OnStar®

OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
See also:
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 ...
Driving in Water
Heavy rain can mean flash flooding, and flood
waters demand extreme caution.
Find out how deep the water is before you drive
through it. If it is deep enough to cover your wheel
hubs, axles, or ...
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’ ...
