Cadillac 2010 DTS Owner's Manual page 209

Automatic Operation
« A ª
(Fan Control): Press until AUTO appears on
the display to place the system in automatic mode.
When automatic operation is active, the system
automatically controls the fan speed. If in auto fan
mode, pressing the up arrow button will cancel
automatic operation and places the system in manual
mode. If in auto mode, pressing the down arrow will turn
the rear climate control system off.
« N ª
(Air Delivery Mode Control): Press until
AUTO appears on the display to place the system
in automatic mode. When automatic operation is active,
the system controls the air delivery mode.
Manual Operation
« A ª
(Fan Control): Press to increase or decrease
the fan speed.
« b ª
(Temperature Control): Press to increase or
decrease the temperature for the rear seat passengers.
Once the rear temperature setting is changed from
following the front temperature setting, it will no longer
follow changes to the front temperature setting until
the front climate control AUX button resets it.
« N ª
(Air Delivery Mode Control): Press these
buttons to change the air delivery mode. If in AUTO
air delivery mode, pressing the up arrow button
will cancel automatic operation and place the system in
manual mode.
Y
(Vent): Air is directed to the upper outlets.
%
(Bi-Level): Air is divided between the upper outlets
and the floor outlets.
[
(Floor): Air is directed to the floor outlets.
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