Page 230 of 650
Climate Control System
226
AIR CONDITIONING BUTTONRECIRCULATION BUTTONREAR WINDOW DEFOGGER/
HEATED MIRROR BUTTONPASSENGER’S SIDE MODE
CONTROL BUTTON
WINDSHIELD DEFROST
BUTTON
ON/OFF BUTTON
SYNC BUTTON DISPLAY PASSENGER’S SIDE DISPLAY
DRIVER’S SIDE DISPLAY
FAN CONTROL BUTTONS
DRIVER’S SIDE TEMPERATURE
CONTROL SWITCH
PASSENGER’S SIDE
TEMPERATURE CONTROL
SWITCH
Models without navigation system
DRIVER’S SIDE AUTO BUTTON PASSENGER’S SIDE AUTO
BUTTON
U.S. model is shown. DRIVER’S SIDE MODE
CONTROL BUTTON
11/01/17 13:13:10 31TK4630_231
Features
2012 TL
Page 231 of 650
Climate Control System
Features
227
AIR CONDITIONING BUTTONRECIRCULATION BUTTONREAR WINDOW DEFOGGER/
HEATED MIRROR BUTTONPASSENGER’S SIDE MODE
CONTROL BUTTON
WINDSHIELD DEFROST
BUTTON
ON/OFF BUTTON
SYNC BUTTON PASSENGER’S SIDE DISPLAY
FAN CONTROL BUTTONS DRIVER’S SIDE MODE
CONTROL BUTTON CENTER
DISPLAY
DRIVER’S SIDE DISPLAY
DRIVER’S SIDE TEMPERATURE
CONTROL SWITCH PASSENGER’S SIDE TEMPERATURE
CONTROL SWITCH
DRIVER’S SIDE AUTO BUTTON
PASSENGER’S SIDE AUTO BUTTON
Models with navigation system
U.S. model is shown.
11/01/14 18:33:05 31TK4630_232
2012 TL
Page 232 of 650

On models with navigation systemThe automatic climate control
system in your vehicle picks the
proper combination of air
conditioning, heating, and ventilation
to maintain the interior temperature
you select, and to remove moisture
from the air and make the interior
dry. The system also adjusts the f an
speed and airf low levels.The system automatically selects
the proper mix of conditioned
and/or heated air that will, as
quickly as possible, raise or lower
the interior temperature to your
pref erence. The system also
dehumidif ies the interior.
The driver’s side temperature and
the passenger’s side temperature can
be set separately. Push up the switch
of the appropriate temperature
control to increase the temperature
of airflow. Push down the switch to
decrease it. Each set temperature is
showninthedisplay(inthecenter
display on models with navigation
system).
Set the desired temperature with
the temperature control switch.
You can set the driver’s side
temperature and the passenger’s
side temperature separately. Press the Driver’s or Passenger’s
AUTO button. You will see AUTO
and the selected temperature on
the appropriate side of the display
(in the center display on models
with navigation system).
The climate control system f or your
vehicle can also be operated using
the voice control system. See the
navigation system manual f or
complete details.
When you unlock the doors with
your remote transmitter (keyless
access remote on models with
navigation system), the driver’s ID
(Driver 1 or Driver 2) is detected,
and the climate control settings are
turned to the respective mode
automatically with the ignition
switch in the ON (II) position, or the
power mode ON.
1.
2. Using A utomatic Climate Control
Voice Control System
Personalization Setting
Climate Control System
T emperat ure Cont rol
228
11/01/14 18:33:17 31TK4630_233
Features
2012 TL
Page 233 of 650

When you set the temperature to its
lower limit ( ) or its upper limit
( ), the system runs at f ull
cooling or heating only. It does not
regulate the interior temperature.
When you adjust a f an control, the
f an is taken out of AUTO mode.To keep stale air and mustiness
f rom collecting, you should have
the f an running at all times. Keep the system completely of f
f or short periods only.
To turn the system completely of f ,
press the ON/OFF button. Each time you press this button, the
climate control system switches
between on and of f . Turning on the
system with this button selects your
last climate control selection.
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.
In AUTO mode, the vehicle’s interior
temperature is independently
regulated f or the driver and f ront
passenger according to each
adjusted temperature. The system
also regulates each temperature
basedontheinformationof the
sunlight sensor and the sun’s position which is updated
automatically by the navigation’s
global positioning system (GPS). If
onesideof thevehicleisgettingtoo
much sun, the system lowers the
temperature only on that side.
When you press this button, the
indicator in the button comes on, and
the passenger’s side temperature
and mode control is synchronized to
thedriver’ssidesettemperatureand
mode control. Changing the
passenger’s side temperature or
mode control makes the indicator go
of f and takes the system out of
SYNC mode.
On models with navigation system
Climate Control System
To Turn Everything Off
ON/OFF Button
SYNC Button
Features
229
11/01/14 18:33:32 31TK4630_234
2012 TL
Page 234 of 650

When the indicator in the button is
on, air f rom the vehicle’s interior is
sent through the system again.
When the indicator is off, air is
brought in f rom the outside of the
vehicle (fresh air mode).
Switch to recirculation mode when
driving through dusty or smoky
conditions, then return to fresh air
mode. Thesystemshouldbeleftinfresh
air mode under almost all conditions.
Keeping the system in recirculation
mode, particularly with the A/C of f ,
can cause the windows to fog up. The outside air intakes f or the
climate control system are at the
base of the windshield. Keep this
area clear of leaves and other debris.
You can manually select various
f unctions of the climate control
system when it is in f ully automatic
mode. All other f eatures remain
automatically controlled. Making any
manual selection causes the word
AUTO in the display to go out. When you turn the A/C off, the
system cannot regulate the inside
temperature if you set the
temperature control below the
outside temperature. This button turns the air
conditioningonandoff.Youwillsee
A/C ON or A/C OFF in the display
(in the center display on models with
navigation system).
Press the button to increase the
fanspeedandairflow.Pressthe button to decrease it.
Recirculat ion But t on
A ir Condit ioning (A /C) But t onSemi-automatic Operation
Fan Control
Climate Control System
230
11/01/14 18:33:47 31TK4630_235
Features
2012 TL
Page 235 of 650

Pushing this button also turns the
power mirror heaters on and of f .This button directs the main airflow
to the windshield for faster
def rosting. It also overrides any
mode selection you may have made.
Air f lows f rom the f loor
vents.
This button turns the rear window
def ogger on and of f (see page ).
Thedriver’ssidemodeandthe
passenger’s side mode can be
selected separately. Use the
appropriate mode control button to
select the vents the air flows from.
Some air will flow from the
dashboard vents in all modes.
Airf low is divided between
the f loor and corner vents and the
defroster vents at the base of the
windshield.
This mode can only be selected f rom
the driver’s side, however the
passenger’s side controls can still
change the temperature. When you select , the system
automatically switches to f resh air
mode and turns on the A/C. For
f aster def rosting, the f an speed
automatically increases. You can also
increase airf low to the windshield by
closing the corner vents on the
dashboard. To close the vents, rotate
the wheel on the side of each corner
vent.
When you turn of f by
pressing the button again, the
system returns to its former settings. Select to help clear the rear
window.
Airf low is divided between
the vents in the dashboard and the
back of the center console, and the
f loor vents.
Air flows from the center
and corner vents in the dashboard,
and the vents on the back of the
center console.
Each time you press the mode
control button, the display shows the
mode selected.
145
CONT INUED
Rear Window Def ogger But t on
Windshield Def rost er But t on
Mode Cont rols
Climate Control System
Features
231
11/01/14 18:34:06 31TK4630_236
2012 TL
Page 236 of 650
For your saf ety, make sure you have
a clear view through all the windows
bef ore driving.
When the indicator in thebutton is on, the SYNC
indicator also comes on. The f ront
passenger’s temperature cannot be
set separately f rom the driver’s.
Your vehicle has two temperature
control switches and two mode
control buttons, one f or the driver,
and one f or the f ront passenger.
Thedriver’ssideandthepassenger’s
side temperature and mode can be
controlled independently.
Climate Control System
Dual Temperature
and Mode Control
232
DRIVER’S SIDE
TEMPERATURE
CONTROL SWITCH
SYNC BUTTON PASSENGER’S SIDE
TEMPERATURE
CONTROL SWITCH
U.S. model with navigation system is shown. DRIVER’S SIDE
MODE CONTROL
BUTTON
PASSENGER’S
SIDE MODE
CONTROL
BUTTON
11/01/14 18:34:14 31TK4630_237
Features
2012 TL
Page 237 of 650
The selected temperatures and
mode appear in the display (in the
center display on models with
navigation system). When the
indicator in the SYNC button is on,
you can adjust both sides to the
same temperature and mode by
pushing the driver’s side
temperature and mode controls.
When you set the temperature to its
upper or lower limit, it is displayed asor .
Synchronized Cont rol
Climate Control System
Features
233
Driver’s Side Passenger’s Side
REAR FLOOR AIR DUCTS
11/01/14 18:34:23 31TK4630_238
2012 TL