Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system.
There are three additional buttons for the OnStar® system. See your dealer for more information on the system and how to subscribe to OnStar®.
See OnStar® System on page 129 for more information about the services OnStar® provides.
(On/Off): This is the
on/off button.
See also:
Lane Departure Warning (LDW)
The vehicle may have a Lane Departure Warning (LDW)
system. Read this entire section before using the system.
WARNING:
The Lane Departure Warning (LDW) system does
not steer the vehicle and is o ...
Traction Control System (TCS)
The traction control system limits
wheel spin. The system turns on
automatically every time the vehicle
is started.
• To turn off traction control, press
and release the Traction Control
...
Customer Assistance Offices
Buick encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail Buick, the letter should be addressed to:
United States
Buick Customer Assis ...