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Cadillac DTS Owner Manual - 2011
If the AUTO position is selected on the fan or mode
control, the system automatically controls the air
conditioning compressor. The A/C compressor will run
automatically even at cool outside temperatures in order
to dehumidify the air. The A/C indicator light is lit when
the system is operating automatically, even at near
freezing outside temperatures. Press
# on the fan
control to turn off the A/C. For improved window
clearing performance in defog or defrost modes, the
A/C compressor runs automatically.
h (AUTO RECIRCULATION): If the AUTO position is
selected on either the fan or air delivery mode control,
the system automatically controls the air inlet to supply
fresh outside air or recirculate the interior air to cool the
car faster. The light on the recirculation button will come
on when the system changes to recirculation. Outside
air can be forced by pressing
h when the light is lit.
For vehicles without rear climate controls, press
: to
force outside air. The next time AUTO fan or mode is
selected, the air inlet will reset back to AUTO operation.
Manual Operation
9 (Off): Turns the entire climate control system off.
Outside air still enters the vehicle and is directed to the
floor. The airflow direction and temperature can be
adjusted, as indicated below.
If the temperature is adjusted while the system is off,
the display will light to show the current settings.
w x (Driver's Temperature Controls): Press the up
or down buttons next to the fan control to manually
increase or decrease the temperature inside the
vehicle.
w x (Passenger's Temperature Controls): Press the
up or down buttons next to the air delivery mode control
to manually increase or decrease the temperature for
the front passenger. If the passenger climate control
system is off, pressing one of these buttons turns it on.
9 (Fan Control): Turn clockwise or counterclockwise
to increase or decrease the fan speed. Turning this
control completely counterclockwise will turn on the
automatic fan operation. If the airflow seems low when
the fan speed is at the highest setting, the passenger
compartment air filter may need to be replaced. See
Passenger Compartment Air Filter on page 4‑42.
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