Cadillac cts User Manual

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D
 (Floor/Defrost): This setting directs airflow to
the floor ducts and toward the windshield, with some
air diverted toward the outboard outlets to defog the
side windows.
D
 (Floor): This setting directs airflow 
through the floor ducts. Some air is diverted 
to the windshield and outboard outlets to 
minimize fogging.
 (Fan): This switch adjusts the fan speed.
Press the up or down arrow to increase or decrease the
fan speed.
 (Recirculation): Press this button to limit the
amount of outside air entering your vehicle. This is
helpful when you are trying to cool the air quickly or
limit odors entering your vehicle. Press this button again
to turn off the recirculation feature. If you notice the
windows fogging, turn off the recirculation feature.
Recirculation is not available in the defrost mode and
will automatically turn off after 10 minutes if
floor/defrost mode is selected.
 (Defrost): Press this button to quickly remove 
fog or frost from the windshield. This setting sends 
most of the airflow to the windshield with a small
amount diverted to the outboard outlets to minimize
fogging. The air conditioning compressor may operate
in this mode.
A/C OFF (Air Conditioning Off): Press this button 
to turn off the air conditioning compressor. AC OFF will
appear on the display. Press the button again to turn the
compressor back on. When the compressor is on, the
system will cool and dehumidify the air inside the
vehicle. The compressor cannot be turned off in 
defrost mode.
 (Driver’s Temperature Switch): This switch is used
to adjust the air temperature for the driver’s side of the
vehicle. To adjust the temperature, press the up or down
arrow located on the PWR button. The temperature will
increase or decrease with each press of an arrow.
The driver’s set temperature is always displayed when
the climate control system is on regardless of whether or
not the system is in AUTO. See “Automatic Operation”
later in this section for more information on the 
AUTO button.