Buick 2010 Lacrosse Automobile User Manual


 
7-2 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.
Q / R (Temperature Control):
Press to increase or decrease the
temperature.
Manual Operation
O (Power): Press to turn the fan
on or off.
D C (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 can be controlled
manually. Press AUTO to return to
automatic operation.
e * (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 can be
controlled manually. Press AUTO to
return to automatic operation.
To change the current mode, select
one of the following:
Y (Vent): Air is directed to the
instrument panel outlets.
\ (Bi-Level): Air is divided
between the instrument panel
outlets and the floor outlets.
C (TriLevel): 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.
0 (Defrost): Clears the
windshield of fog or frost more
quickly. Air is directed to the
windshield. Selecting defrost will
disable automatic control.
For best results, clear all snow and
ice from windshield before
defrosting.