Rear Climate Control System
The lower buttons on the rear seat audio are used to adjust the rear seat climate controls. The temperature of the air coming through the rear outlets is determined by the front passenger’s temperature setting.

(Fan) Press this button
to adjust the
fan speed.
(Mode) Press this button to
change the
direction of airflow in the rear seat area to
either vent, bi-level or floor mode.
(On/Off) Press this button
to turn the rear
climate controls on or off.
The rear control will only turn on if the front is on and not in defrost mode.
See also:
How the System Works
When the vehicle is started, both
outside mirror displays will briefly
come on to indicate that the system
is operating. While driving forward,
the left or right side mirror SBZA
display w ...
Responsive performance
Buick LaCrosse's stiff body structure serves as the foundation for precise
suspension tuning, safety and a quiet ride. Buyers can choose from a family of
efficient, direct-injection six-cylinder e ...
Lumbar Adjustment
Lumbar Adjustment
To adjust the lumbar support,
if available:
• Press and hold the front or rear
of the control to increase or
decrease lumbar support.
• Press and hold the top or botto ...
