Buick 2007 LaCrosse - Manual (Page 175)

9y (Fan): Press this button to increase the fan
speed. Pressing the arrows cancels the automatic
operation and places the system in manual or
semi-automatic mode. Press the AUTO button to
return to automatic operation. If the airflow
seems low when the fan is at the highest setting,
the passenger compartment air filter may need
to be replaced. For more information see
Passenger Compartment Air Filter on page 178
and Scheduled Maintenance on page 462.
6 (Floor): This mode directs most of the air to
the floor, with some air directed to the side window
outlets and a small amount to the windshield.
)
(Bi-Level): This setting directs airflow to the
instrument panel and floor outlets. A small amount
of air is also directed to the windshield and the
side window outlets.
Y (Vent): This mode directs air through the
instrument panel outlets.
h (Recirculation): Press this button to turn
recirculation mode on or off. This mode keeps
outside air from coming into the vehicle. It can be
used to help reduce the outside air and odors
that enter your vehicle or help cool the air inside
the vehicle quicker.
Recirculation is not available while in the floor,
defrost, or floor/defog modes. Using recirculation
for long periods of time may cause the air
inside your vehicle to become too dry.
Recirculation mode has a five minute timer after
which the system allows for some fresh outside air
into the vehicle to maintain interior air quality.
# (Air Conditioning): Press this button to turn
the air conditioning compressor on and off.
The indicator light on the button will come on
when the air conditioning is on. The indicator light
will change with each button press even when
conditions prevent operation.
( (Heated Seats): Press this button to turn the
driver or passenger heated seats on and off. See
Heated Seats on page 10 for additional information.
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