Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle diagnostic. If the light appears clear (no light is
appearing), your OnStar subscription has expired and
all services have been deactivated. Press
to confirm
that the OnStar equipment is active.
See also:
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf,
hard of hearing, or speech-impaired
and who use Text Telephones
(TTYs), Buick has TTY equipment
available at its Customer Assistance
Center. Any TTY user ca ...
Manual Operation
To change the current setting, select one of
the following:
(Fan): This button allows
you to manually
adjust the fan speed. Press the up arrow to
increase fan speed and the down arrow to
decre ...
Sunroof
For vehicles with a sunroof, the sunroof only operates when the ignition is in
ON/RUN or ACC/ ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory
Power (RAP) for more i ...