Service manual

to- see your current automatic fan speed, airflow
direction and comfort setting, press the AUTO button.
In cold weather, the system will delay turning on the
fan, to avoid blowkg cold air. The length
of the delay
depends on the engine coolant temperature and the
outside temperature.
Pushing the FAN, AIR FLOW or
FRONT buttons
will ovefride this delay, turn off the
AUTO setting and change the fan speed.
You may also manually adjrxst the air delivery or
fan speed.
AIR IFLOW: This button is used to change the direction
of the airflow. The airflow choices available
are FLOOR,
FLOOR-MID, MID and WINDSHIELD-FLOOR. If the
system is set for
AUTO, pressing the AIR FLOW button
will display the current airflow direction and the comfort
setting. Press
the AIR FLOW up or down button again to
change the direction of the aidlow.
If the AIR FLOW up button is selected while in the
FFtONT defrost mode, the system will direct the air
toward the WINDSHIELD-FLOOR.
If the AIR FLOW
down button is selected while
in the FRONT defrost
mode,
the system will direct the air toward the FLOOR,
-and the FliONT defrost mode will cancel. Notice the
arrows in the .display.
OFF: If the passenger comfort control is turned on, it
can be turned
off by pressing the OFF button once.
Pressing the
OFF button a second time will turn off the
main system. Tuniing
off the main system causes the fan
to
turn off and the airflow to be directed to the FLOOR.
The system will kill try to keep the interior of the
vehicle at the previous chosen comfort setting. The
outside temperature
will show on the display when the
system is
OW.
The ventilation system always allows fresh .air to flow
through your Buick when the vehicle is. moving even
with the system in the
OFF mode.
VENT The VENT button allows outside air to flow
through your Buick without the air conditioning
compressor working. Selecting
VENT and the AUTO
button at the same time allows the system to control
automatically without the use of the air conditioning
compressor or the
use of the RECIRC mode. TO t~~m off
the VENT selection, push the VENT button again.