2009 Acura RL climate control

Û
Ý To select the desired temperature,
push the temperature control bar up
or down.
Press the A/C button to view the
climate control display. Pushing
ENTER on the interf ace selector
turns the air conditioning on and of f .
You will see A/C ON or A/C OFF in
the display.
When you turn the A/C of f , the
system cannot regulate the inside
temperature if you set the
temperature control below the
outside temperature.
Press the button to increase
the fan speed and airflow. Press the button to decrease it. To set the driver’s and passenger’s
temperature separately, push the
temperature control bar up or down
on the driver’s or passenger’s side.
The driver and passenger can each
set the temperature to the desired
setting.
Press the A/C button to view the
climate control display, then turn the
interf ace knob to increase or
decrease the f an speed and airf low.
Using the Fan Control Buttons Using the Interf ace Dial
Fan Control T emperature Control Bars A ir Conditioning (A /C)
Climate Control System
206
2009 RL

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.
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.
Switch to recirculation mode when
driving through dusty or smoky
conditions, then return to fresh air
mode.This button turns the windshield
def rost on and of f .
You can select the vents air flows
f rom. Some air will f low f rom the
dashboard corner and side vents in
all modes.
When you push this button, air f lows
f rom the def roster vents at the base
of the windshield, and the system
automatically switches to f resh air
mode and turns on the A/C. When
the indicator in the button is on, the
passenger’s temperature cannot be
set separately f rom the driver’s.
When the indicator in the button is
on, air f rom the vehicle’s interior is
sent throughout the system again.
When the indicator is off, air is
brought in f rom the outside of the
vehicle (fresh air mode).
This button turns the rear window
def ogger on and of f (see page ).
Pushing this button also turns the
power mirror heaters on and of f .147
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Recirculation Button Mode Control
Windshield Def roster Button
Rear Window Def ogger Button
Climate Control System
Features
207
2009 RL

When is selected, you can
increase or decrease the
temperature of airf low f rom the
dashboard vent f or the driver’s side
and the passenger’s side without
changing the temperature of airf low
f rom the f loor vent.
Push the interf ace selector right or
left,thenturntheinterfaceknobto
select the desired temperature.
Air flows from the center
and corner vents in the dashboard.
Airf low is divided between
the vents in the dashboard and the
f loor vents.
Air f lows f rom the f loor
vents.
Airf low is divided between
the floor vents and defroster vents at
the base of the windshield.
Use the mode control button to
select the vents the air flows from.
Some air will flow from the
dashboard vents in all modes.
Press the A/C button to view the
climate control display, then push
the interf ace selector down. Select
any of the modes by turning the
interf ace knob.
Using the Mode Control Button
Using the Interf ace Dial
Climate Control System
208
2009 RL

The heater uses engine coolant to
warm the air. If the engine is cold, it
will be several minutes bef ore you
f eel warm air coming f rom the
system.Select and fresh air mode.
Set the f an to the desired speed.
Adjust the warmth of the air with
the temperature control bar.
you can
cool it down more rapidly by partially
opening the windows, turning on the
air conditioning, and setting the fan
to maximum speed in f resh air mode.
Air conditioning places an extra load
on the engine. Watch the engine
coolant temperature gauge (see page ). If it moves near the red zone,
turn of f the A/C until the gauge
reading returns to normal.
The f low-through ventilation system
draws in outside air, circulates it
through the interior, then releases it
through vents near the rear window.
Set the temperature to the lower
limit.
Make sure the A/C is of f .
Select and fresh air mode.
Set the f an to the desired speed.
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If the interior is very warm,
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Climate Control System
Using the Heater
Using the A/C
Ventilation
Features
209
2009 RL

To remove f og f rom the inside of the
windows:Set the f an to the desired speed, or
high f or f aster def rosting.
Select . The system
automatically switches to fresh air
mode and turns on the A/C.
Adjust the temperature so the
airflow feels warm.
Select to help clear the
rear window.
To increase airf low to the
windshield, close the corner vents.
When you switch to another mode
from , the A/C setting
returns to the previous setting (on or
of f ). Select A/C, then press ENTER
on the interface selector to turn the
A/C of f if it is on.
Air conditioning, as it cools, removes
moisture from the air. When used in
combination with the heater, it
makes the interior warm and dry.
Switch the f an on.
Turn on the air conditioning.
Select and fresh air mode.
Adjust the temperature to your
pref erence.
This setting is suitable f or all driving
conditions whenever the outside
temperature is above 32°F (0°C).
Press the A/C button to view the
climate control display.
Turn on the A/C by pushing
ENTER on the interf ace selector.
You will see A/C ON in the display.
Make sure the temperature is set
to maximum cool.
Select .
If the outside air is humid, select
recirculation mode. If the outside
air is dry, select f resh air mode.
Set the f an to the desired speed by
turning the interf ace knob.
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Climate Control System
To Def og and Def rost
Dehumidif y the Interior
210
2009 RL

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.
When you set the temperature to its
lower or its upper limit, the system
runs at f ull cooling or heating only. It
does not regulate the interior
temperature.
When you change the f an speed, the
f an is taken out of AUTO mode and
starts to run at the selected speed.
The automatic climate control
system adjusts the f an speed and
airflow levels to maintain the interior
temperature you select.
In AUTO mode, the vehicle’s interior
temperature is independently
regulated f or the driver and
passenger. If the driver’s side of the
vehicle is getting too much sun, the
system will adjust to a lower
temperature.
Press the AUTO button.
Set the desired temperature with
the temperature control bars.
You will see AUTO in the display
if theclimatemodeisselected.
Select . The system
automatically switches to f resh air
mode and turns on the A/C.
Select .
Set the f an and temperature
controls to maximum level.
To clear the windshield f aster, you
can close the dashboard corner vents
by rotating the wheel next to it. This
sends more warm air to the
windshield def roster vents. Once the
windshield is clear, select the f resh
air mode to avoid fogging the
windows.
For your saf ety, make sure you have
a clear view through all the windows
bef ore driving. 1.
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Climate Control System
Automatic Climate Control
T o Remove Exterior Frost or
Ice From the Windows
Features
211
2009 RL

Theclimatecontrolsystemhastwo
sensors: a sunlight sensor on top of
the dashboard, and a temperature
and humidity sensor next to the
steering column. Do not cover the
sensors or spill any liquid on them.
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.
Press the OFF button. However, a
lack of airf low can cause the
windowstofogup.Youshouldkeep
the fan on at all times so stale air and
moisture do not build up in the
interior and cause f ogging.
Climat e Cont rol Sensors
Sunlight and T emperature
Sensors
To Turn Everything Off
Semi-automatic Operation
212
SUNLIGHT SENSOR TEMPERATURE SENSOR
2009 RL

Press this button to display thescreen (see page ).
The compass system in your vehicle
contains several convenient features,
including a direction and elevation
f inder, a calendar reminder f or
important events, a calculator, and a
trip computer to help you track your
mileage and f uel economy.
The controls f or the compass system
are on the center console panel.
These controls are also used to
operate the climate control system
(see page ) and the audio system
(see page ).
Press this button to display the
screen (see page ) f or the
trip computer, calendar, calculator,
and voice command Help. 204
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Menu Button
Compass But t on
Compass
System Controls
Main
Menu
Compass System (U.S. model without navigation system)
Features
281
CANCEL
BUTTON
COMPASS
BUTTON
(Display mode)
BUTTON INTERFACE DIAL UPPER
DISPLAY
SCREEN
MENU
BUTTON
TRIP
BUTTON
SET UP
BUTTON
2009 RL