2004 Acura RL 3.5 Owner's Manual

The button directs the main
air f low to the windshield f or f aster
def rosting. It also overrides any
MODE selection you may have made.
When you select , the A/C
turns on automatically and the
system selects Fresh Air mode. For
f aster def rosting, manually set the
fanspeedtohigh.Youcanalso
increase air f low to the windshield by
closing the side vents in the
dashboard.
When you turn of f by
pressing the button again, the
system returns to its former settings.
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures126
DEFROST BUTTON

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To put the Automatic Climate
Control in f ully-automatic mode,
press the AUTO button. Then set
the desired temperature by pressing
either side of the TEMP button:
to raise the temperature above the
displayed value, or to lower the
temperature.
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 f rom its current level to
the set temperature.
When you set the temperature to its
lower limit (57°F/14°C ‘‘ ’’)
or its upper limit (87°F/31°C
‘‘ ’’), the system runs at f ull
cooling or heating only. It does not
regulate the interior temperature.
When the temperature is set
between the lower and upper limits, the system regulates the interior
temperature to the set value.
In cold weather, the f an will not
come on automatically until the
vehicle has been driven f or a short
time and the heater starts to develop
warm air.
Pressing the OFF button shuts the
climate control system of f . Keep the
system of f only f or short periods. To
keep stale air and mustiness from
collecting, you should have the f an
running at all times. The f an is controlled until the heater
gets warm.
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures
Fully-automatic Operation
U.S. 3.5 RL wit h Navigat ion Syst em
127
TEMPERATURE DISPLAY
RECIRCULATION BUTTON
OFF BUTTON
AUTO BUTTON
TEMPERATURE BUTTON

You can manually select various
f unctions of the Climate Control
system when it is in FULL AUTO.
All other f eatures remain auto-
matically controlled. Some of these
f unctions appear in the Navigation
System display. With the Navigation
System, press the A/C-INFO button
next to the display to show these
functions.
UsetheA/Ciconsinthedisplayto
select the air conditioning mode. You
will see A/C ON, A/C OFF, or A/C
ECON activated in the display. Semi-automatic Operation
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures
A ir Condit ioning (A /C) On/Of f /EconIcons
128
RECIRCULATION BUTTON
TEMPERATURE BUTTON
A/C-INFO
BUTTON
MODE ICONS
FAN SPEED ICONS
A/C ON/OFF/ECON ICONS

When you turn the A/C of f , the
system cannot regulate the inside
temperature if you set it below the
outside temperature. With the A/C
on, use the temperature buttons to
adjust the temperature of the air
flow to a comfortable setting.
With the A/C in economy mode, you
will see A/C ECON in the display.
Usethismodetogetbetterfuel
economy.
In this mode, you may f eel a slight re-
duction in cooling ef f iciency. If you
want more cooling, select A/C ON or
FULL AUTO.This button controls the source of
the air going into the system. When
the indicator above this button is lit,
air f rom the vehicle’s interior is sent
through the system again (Recircula-
tion mode). When the indicator is off,
air is brought in f rom outside the
vehicle (Fresh Air mode).
You can, f or example, manually put
the system in recirculation mode
when driving through an area of
smoke or f umes.
You can manually select the f an
speed with the f an speed icon.
Touching the icon repeatedly makes
the fan run faster. The fan speed is
shownbybarsinthedisplay.If the
f an is at its highest speed, touching
the icon again takes it to its lowest
speed.
To remove f og f rom the inside of the
windows (on very cold days), you
select , the A/C turns on
automatically and the system selects
Fresh Air mode.
CONT INUED
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures
Recirculat ion But t on Fan Speed Icon
129

Use the MODE icons to select the
vents the air flows from. Some air
will f low f rom the dashboard corner
vents and the side vents in all modes.The main air flow comes
f rom the f loor vents.
The main air f low is divided
between the dashboard vents and
the f loor vents.
The main air flow comes
f rom the dashboard vents. The main air f low is divided
between the f loor vents and de-
froster vents at the base of the wind-
shield.
Mode Icons
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures130

The button directs the main
air f low to the windshield f or f aster
def rosting. It also overrides any
MODE selection you may have made.
When you turn of f by
pressing the button again, the
system returns to its former settings. When you select , the A/C
turns on automatically and the
system selects Fresh Air mode. For
f aster def rosting, manually set the
fanspeedtohigh.Youcanalso
increase air f low to the windshield by
closing the side vents in the
dashboard.
This button turns the rear window
def ogger on and of f (see page ).76
Rear Window Def ogger Button
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures131
DEFROST BUTTON
REAR WINDOW DEFOGGER BUTTON

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µ
Ôµ
The air f low f rom the rear vents can
be adjusted when the climate control
system is on. (Upper position): Maximum
(Center position): Moderate
(Lower position): Of fUse the mode control lever to select
the air f low level. Air f lows into the
rear seat at three levels.
You can adjust the direction of the
air coming f rom the upper vents in
the center console by moving the tab
in the center of each vent up-and-
down and side-to-side.
You can also adjust the amount of
the air f low by sliding the air f low
control lever under the upper vents.
Slide this lever upward to increase
the amount of air f low. (Upper position):
Air flows from the upper vents in the
back of the center console.
(Center position):
Air f low is divided between the upper
vents and the lower vents in the back
of the center console.
(Lower position):
Air f lows f rom the lower vents.
Rear Ventilation
Mode Cont rol L ever
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures132
AIR FLOW
CONTROL
LEVER
MODE
CONTROL
LEVERUPPER
VENTS
LOWER
VENTS

Theclimatecontrolsystemhastwo
sensors. A sunlight sensor is located
in the top of the dashboard and a
temperature sensor is next to the
steering column. Do not cover the
sensors or spill any liquid on them. Sunlight Sensor/T emperature
Sensor
Climat e Cont rol Syst em
Comf ort and Convenience Feat ures133
SUNLIGHT SENSORTEMPERATURE SENSOR