Chevrolet Impala Limited 2015 Owner's Manual page 174

8-2 Climate Controls
1. Fan Control
2. Outside Air
3. Temperature Control
4. Recirculation
Single Zone
5. Air Delivery Mode Control
6. Air Conditioning
7. Rear Window Defogger
Temperature Control: For dual
zone, turn the thumbwheels up or
down to increase or decrease the
temperature on the driver or the
passenger side of the vehicle. For
single zone, turn the knob clockwise
or counterclockwise to increase or
decrease the temperature.
9
(Fan Control): Turn clockwise
or counterclockwise to increase or
decrease the fan speed. Positioning
the knob between two modes can
select a combination of those
modes.
If the airflow seems low when the
fan is at the highest setting, the
passenger compartment air filter
may need to be replaced. There will
be some airflow noticeable from the
various outlets when driving, even
with the fan in the off position. For
more information, see Passenger
Compartment Air Filter on page 8-5
and Maintenance Schedule on
page 11-2.
Air Delivery Mode Control: Turn
clockwise or counterclockwise to
change the direction of the airflow
inside the vehicle.
To change the current mode, select
one of the following:
H
(Vent): Air is directed to the
instrument panel outlets.