Buick LaCrosse 2012 Owner's Manual page 262

8-6 Climate Controls
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to
the desired temperature.
When the AUTO indicator light is
on, the system is in full automatic
operation. If the air delivery mode,
fan speed, recirculation, or air
conditioning setting is adjusted, the
AUTO indicator turns off and the
selected settings will appear on the
display.
To place the system in automatic
mode do the following:
1. Press AUTO.
2. Set the temperature. Allow the
system time to stabilize. Adjust
the temperature as needed for
best comfort.
To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather.
The recirculation light will not come
>
on. Press to select recirculation;
press it again to select outside air.
TEMP (Driver and Passenger
Temperature Control): The
temperature can be adjusted
separately for the driver and the
passenger. Press to increase or
decrease the temperature.
ZONE: Press to link all climate
zone settings to the driver settings.
The ZONE indicator light will turn
off. When the passenger settings
are adjusted, the ZONE indicator
light is on.
Manual Operation
(Power): Press to turn the fan off
or on.
A
(Fan Control): Press to
increase or decrease the fan speed.
The fan speed setting appears on
the main display. Pressing either
button cancels automatic fan control
and the fan is controlled manually.
Press AUTO to return to automatic
operation.
I n f o r ma t i o n P r o v i d e d b y :
(Air Delivery Mode
Control): Press to change the
direction of the airflow. The current
mode appears in the display screen.
Pressing either button cancels
automatic air delivery control and
the direction of the airflow is
controlled manually. Press AUTO to
return to automatic operation.
To change the current mode, select
one of the following:
(Vent): Air is directed to the
instrument panel outlets.
(Bi-Level): Air is divided
between the instrument panel
outlets and the floor outlets.
(Tri Level): Air is divided
between the windshield, instrument
panel, and floor outlets.
(Floor): Air is directed to the
floor outlets.
-
(Defog): Clears the windows of
fog or moisture. Air is directed to the
windshield and floor outlets.