Acura 2009 TL Owner's Manual page 220

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When you set the temperature to its
lower limit ( ) or its upper limit
( ), the system runs at full
cooling or heating only. It does not
regulate the interior temperature.
When you adjust a fan control, the
fan is taken out of AUTO mode.
You can also select the appropriate
mode on the driver's side and the
passenger's side separately. To
change a mode, press and release
the appropriate side mode control
button. This will take the mode
control out of AUTO mode.
On models with navigation system
In AUTO mode, the vehicle's interior
temperature is independently
regulated for the driver and front
passenger according to each
adjusted temperature. The system
also regulates each temperature
based on the information of the sun
light sensor and the sun's position
Table Of Contents
which is updated automatically by
the navigation's global positioning
system (GPS). If one side of the
vehicle is getting too much sun, the
system lowers the temperature only
on that side.
SYNC Button
When you press this button, the
indicator in the button comes on, and
the passenger's side temperature
and mode control is synchronized to
the driver's side set temperature and
mode control. Changing the
passenger's side temperature or
mode control makes the indicator go
off and takes the system out of
SYNC mode.
2009 TL
Climate Control System
ON/OFF Button
Each time you press this button, the
climate control system switches
between on and off. Turning on the
system with this button selects your
last climate control selection.
To Turn Everything Off
To turn the system completely off,
press the ON/OFF button.
Keep the system completely off
for short periods only.
To keep stale air and mustiness
from collecting, you should have
the fan running at all times.
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