Roadside Assistance and OnStar
If you have an active OnStar
subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.
Online Owner Center
The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.
Sign up today at:
U.S.: buick.com (click on “Owners,” then “Manage My Buick/Owners Login”)
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 ...
Security Light
The immobilizer light should come on briefly as the engine is started. If it
does not come on, have the vehicle serviced by your dealer. If the system is working
normally, the indicator light tu ...
Lumbar Adjustment
To adjust the lumbar support:
► Press and hold the front or rear of the control to increase or decrease lumbar support.
► Press and hold the top or bottom of the control to raise or lo ...