2021 NISSAN TITAN cooling

Thebutton will be on the NISSAN
Intelligent Key® if the vehicle has Remote
Engine Start. This feature allows the engine
to start from outside the vehicle.
Vehicles with an automatic climate control
system will default to either a heating or
cooling mode depending on outside and
cabin temperatures. For additional infor-
mation, see “Remote Engine Start with In-
telligent Climate Control” (P. 4-39).
Laws in some local communities may re-
strict or prohibit the use of Remote Engine
Start, or the amount of time a parked ve-
hicle engine may idle. For example, some
laws require a person using Remote Engine Start to have the vehicle in view or may
restrict idling time except in freezing tem-
peratures. Check local regulations for any
requirements.
Other conditions may affect the function of
the Remote Engine Start feature. For addi-
tional information, see “Conditions the Re-
mote Engine Start will not work” (P. 3-24).
Other conditions can affect the perfor-
mance of the Intelligent Key transmitter.
For additional information, see “NISSAN In-
telligent Key® system” (P. 3-9).
REMOTE ENGINE START
OPERATING RANGE
WARNING
• To help avoid risk of injury or death
through unintended operation of the
vehicle and/or its systems, including
entrapment in windows or inadver-
tent door lock activation, do not
leave children, people who require
the assistance of others or pets unat-
tended in your vehicle. Additionally,
the temperature inside a closed ve-
hicle on a warm day can quickly be-
come high enough to cause a signifi-
cant risk of injury or death to people
and pets. •
Do not use Remote Engine Start in
closed spaces such as a garage. Do
not breathe exhaust gases; they con-
tain colorless and odorless carbon
monoxide. Carbon monoxide is dan-
gerous. It can cause unconscious-
ness or death.
CAUTION
When the Intelligent Key battery is dis-
charged or other strong radio wave
sources are present near the operating
location, the Intelligent Key operating
range becomes narrower, and the Intel-
ligent Key may not function properly.
The Remote Engine Start function can only
be used when the Intelligent Key is within
the specified operating range from the ve-
hicle.
The Remote Engine Start operating range
is approximately 197 f t (60 m) from the ve-
hicle.
LPD2995
REMOTE ENGINE START (if so
equipped)
3-22Pre-driving checks and adjustments

WARNING
• The air conditioner cooling function
operates only when the engine is
running.
• Do not leave children or adults who
would normally require the assis-
tance of others alone in your vehicle.
Pets should also not be lef t alone.
They could accidentally injure them-
selves or others through inadvertent
operation of the vehicle. Also, on hot,
sunny days, temperatures in a closed
vehicle could quickly become high
enough to cause severe or possibly
fatal injuries to people or animals.
• Do not use the recirculation mode for
long periods as it may cause the inte-
rior air to become stale and the win-
dows to fog up.
NOTE:
• Odors from inside and outside the ve- hicle can build up in the air conditioner
unit. Odor can enter the passenger
compartment through the vents.
• When parking, set the heater and air conditioner controls to turn off air re-
circulation to allow fresh air into the
passenger compartment. This should
help reduce odors inside the vehicle.
CONTROLS
1.Fan speed control dial / system
OFF dial / A/C (air conditioning) button
2. Air flow control buttons
3. Temperature control dial / MAX A/C button 4.
Air recirculation button
5.
Outside mirror (if so equipped) de-
froster switch
6.
Front windshield defrost button
LHA4127
HEATER AND AIR CONDITIONER
(manual) (if so equipped)
Monitor, climate, audio, phone and voice recognition systems4-29

Fan speed control dial
Thefan speed control dial turns the
fan on and off and controls fan speed.
Fan speed control dial — OFF mode
Setting thefan speed control dial to the
off position will turn off the fan and the air
recirculation indicator light will turn on. To
get fresh air in fan off mode, press the
air recirculation button to turn off the indica-
tor. In fan off mode, the mode buttons can be
selected to change the air vent distribution
(if the air recirculation mode is off ).
Air flow control buttons
The air flow control buttons allow you to
select the air flow outlets.
MAX
A/C — Air flows from center and side
vents with maximum cooling.
— Air flows from center and sidevents.
— Air flows from center and sidevents and foot outlets.
— Air flows mainly from foot outlets.— Air flows from defroster outletsand foot outlets.
— Air flows mainly from defrosteroutlets.
Temperature control dial
The temperature control dial allows you to
adjust the temperature of the outlet air. To
lower the temperature, turn the dial to the
lef t. To increase the temperature, turn the
dial to the right.
Air recirculation button
ON position (Indicator light on)
Interior air is recirculated inside the vehicle.
Press the
button to the ON position
when:
• driving on a dusty road.
• to prevent traffic fumes from entering passenger compartment.
• for maximum cooling when using the air conditioner.
OFF position (Indicator light off )
If outside air is desired in off mode, press
the recirculation button until the indicator
turns off.
If fogging occurs, press the
front
windshield defrost button.
A/C (air conditioner) button
Start the engine, turn thefan speed
control dial to the desired position and
press the
button to turn on the air
conditioner. To turn off the air conditioner,
press the
button again.
The air conditioner cooling function op-
erates only when the engine is running.
Outside mirror defroster (if so
equipped)
For additional information, see “Rear win-
dow and/or outside mirror (if so equipped)
defroster switch” (P. 2-42).
HEATER OPERATION
Heating
This mode is used to direct heated air to
the foot outlets. Some air also flows from
the defrost outlets.
1. Press the
button to the OFF posi-
tion for normal heating. The indicator
light on the
button will go off.
2. Press the
air flow control button.
3. Turn the
fan speed control dial to
the desired position.
4-30Monitor, climate, audio, phone and voice recognition systems

• When theposition is selected, the
air conditioner automatically turns on if
the outside temperature is more than
36°F (2°C). If the
air flow control
button is selected for more than 1 minute,
the air conditioning system will continue
to operate until the
fan speed con-
trol dial is turned to OFF, the vehicle is
shut off, or the A/C button is used to turn
off the compressor even if the air flow
control dial is turned to a position other
than the
position. This dehumidi-
fies the air which helps defog the wind-
shield. Under this condition, the indicator
light on the A/C button indicator will not
turn on if the user had selected A/C off.
Turning off the air conditioning via the
A/C button is not allowed in this mode. If
the A/C button indicator was on when
entering this mode, and the A/C button is
selected in this mode, the A/C compres-
sor will still be automatically enabled. It is
recommended that
mode be
turned off for maximum defogging. The
recirculation button can be selected in
this mode to block outside odors. How-
ever, for maximum defogging in this
mode, it is recommended to turn recircu-
lation off when possible.
Operating tips
Clear snow and ice from the wiper blades
and air inlet in front of the windshield.
This improves heater operation.
AIR CONDITIONER OPERATION
Start the engine, turn thefan speed
control dial to the desired position, and
press the
button to activate the air
conditioner. When the air conditioner is on,
cooling and dehumidif ying functions are
added to the heater operation.
The air conditioner cooling function op-
erates only when the engine is running.
Cooling
This mode is used to cool and dehumidif y
the air.
1. Press the
button to the off position.
2. Press the
air flow control button.
3. Turn the
fan speed control dial to
the desired position.
4. Press the
button.
5. Turn the temperature control dial to the desired position between the middle
and the cold position. • For quick cooling when the outside tem-
perature is high, press the
button to
the on position. Be sure to return the
to the off position for normal cooling. The
indicator light on thebutton will go
off. You may also select MAX A/C for quick
cooling.
Dehumidified heating
This mode is used to heat and dehumidif y
the air.
1. Press the
button to the off position.
The indicator light on thebutton
willgooff.
2. Press the
air flow control button.
3. Turn the
fan speed control dial to
the desired position.
4. Press the
button on.
5. Turn the temperature control dial to the desired position.
Dehumidified defogging
This mode is used to defog the windows
and dehumidif y the air.
1. Press the
front defroster button.
2. Turn the
fan speed control dial to
the desired position.
4-32Monitor, climate, audio, phone and voice recognition systems

When theorpositions are se-
lected, the air conditioner automatically
turns on if the outside temperature is more
than 36°F (2°C). The air conditioning system
will continue to operate until the
fan
speed control dial is turned to OFF, the air
conditioner is turned OFF, or the vehicle is
shut off. If a position other than the
front defrost air flow button is selected, the
A/C compressor will not turn off even if the
user had selected A/C off prior to entering
defrost. In
front defrost orfoot
defrost the indicator light on the A/C but-
ton will not turn on if the user had selected
A/C off. Turning off the air conditioning via
the A/C button is not allowed in this mode.
If the A/C button indicator was on when
entering this mode, and the A/C button is
selected in this mode, the A/C button indi-
cator will turn off, but the A/C compressor
will still be automatically enabled. This de-
humidifies the air which helps defog the
windshield. The
mode automatically
turns off, allowing outside air to be drawn
into the passenger compartment to fur-
ther improve the defogging performance.
3. Turn the temperature control dial to the desired position.
Operating tips
• Keep the windows closed while the airconditioner is in operation.
• Af ter parking in the sun, drive for 2 or 3 minutes with the windows open to vent
hot air from the passenger compart-
ment. Then, close the windows. This al-
lows the air conditioner to cool the inte-
rior more quickly.
• The air conditioning system should be
operated for approximately 10 minutes
at least once a month. This helps pre-
vent damage to the system due to lack
of lubrication.
• A visible mist may be seen coming from the ventilators in hot, humid conditions
as the air is cooled rapidly. This does not
indicate a malfunction.
• If the engine coolant temperature
gauge indicates engine coolant tem-
perature over the normal range, turn
the air conditioner off. For additional
information, see “If your vehicle over-
heats” (P. 6-12).
AIR FLOW CHARTS
The following charts show the button and
dial positions for MAXIMUM AND QUICK
heating, cooling or defrosting. For addi-
tional information on heating and cooling,
see “Heater and air conditioner (manual)”
(P. 4-29). The air recirculation (
) but-
ton should always be in the OFF position
for heating and defrosting.
Monitor, climate, audio, phone and voice recognition systems4-33

1.Front defroster button
2. Temperature control dial (driver’s side)/
AUTO button
3. Display screen
4. Temperature control dial (passenger’s
side)/DUAL button
5.
Fresh air intake button
6.Air recirculation button 7. A/C (air conditioner) button
8. MODE (manual air flow control) button
9.
Fan speed control buttons
10. ON-OFF button
11.
Rear window and/oroutside
mirror (if so equipped) defroster switch
WARNING
• The air conditioner cooling function
operates only when the engine is
running.
• Do not leave children or adults who
would normally require the assis-
tance of others alone in your vehicle.
Pets should also not be lef t alone.
They could accidentally injure them-
selves or others through inadvertent
operation of the vehicle. Also, on hot,
sunny days, temperatures in a closed
vehicle could quickly become high
enough to cause severe or possibly
fatal injuries to people or animals.
• Do not use the recirculation mode for
long periods as it may cause the inte-
rior air to become stale and the win-
dows to fog up.
NOTE:
• Odors from inside and outside the ve- hicle can build up in the air conditioner
unit. Odor can enter the passenger
compartment through the vents.
• When parking, set the heater and air conditioner controls to turn off air re-
circulation to allow fresh air into the
passenger compartment. This should
help reduce odors inside the vehicle.LHA3575
HEATER AND AIR CONDITIONER
(automatic) (if so equipped)
Monitor, climate, audio, phone and voice recognition systems4-37

AUTOMATIC OPERATION
Cooling or heating (auto)
This mode may be normally used all year
round as the system automatically works
to keep a constant temperature. Air flow
distribution and fan speed are also con-
trolled automatically.
1. Press the AUTO button on.
2. Turn the temperature dial to the lef t orright to set the desired temperature.
Driver and passenger temperatures can
be set independently. Press the DUAL
button to activate dual climate control
functions. Turn the passenger's side
temperature control dial to the lef t or
right to set the desired passenger's
temperature.
• Adjust the temperature dial to about 75°F (24°C) for normal operation. • The temperature of the passenger com-
partment will be maintained automati-
cally. Air flow distribution, fan speed and
A/C on/off are also controlled automati-
cally. The A/C button indicator will remain
in the last user setting. Under this condi-
tion, the indicator light on the A/C button
indicator will not turn on if the user had
not selected the A/C button off. Turning
off the air conditioning via the A/C button
is not allowed in this mode. If the A/C
button indicator was on when entering
this mode, and the A/C button is selected
in this mode, the A/C button indicator will
turn off, but the A/C compressor will still
be automatically enabled. For additional
information, see “Air flow control” (P. 4-40).
To turn off the compressor, turn off auto
mode, then turn the A/C on then off until
the A/C button indicator is not lit.
• A visible mist may be seen coming from the vents in hot, humid conditions as the
air is cooled rapidly. This does not indicate
a malfunction.
Heating
The air conditioner does not activate. When
you need to heat only, use this mode.
1. Press the AUTO button.
2. Turn the temperature control dial to the lef t or the right to set the desired tem-
perature. Driver and passenger tem-
peratures can be set independently.
Press the DUAL button to activate dual
climate control functions. Turn the pas-
senger’s side temperature control dial
to the lef t or right to set the desired
passenger’s temperature.
• The temperature of the passenger com- partment will be maintained automati-
cally. Air flow distribution and fan speed
are also controlled automatically.
• Do not set the temperature lower than the outside air temperature. Otherwise,
the system may not work properly.
• Not recommended if windows fog up.
Dehumidified defrosting or
defogging
1. Press thedefroster control button
to turn the system on. The indicator light
in the button will illuminate.
4-38Monitor, climate, audio, phone and voice recognition systems

2. Turn the temperature dial to the lef t orright to set the desired temperature.
• To quickly remove ice from the outside of the windows, press the
fan speed
control button to the maximum position.
• As soon as possible af ter the windshield is clean, press the AUTO button to return
to the auto mode.
• When the
control is activated, the air
conditioner will automatically be turned
on at outside temperatures above 36°F
(2°C). This dehumidifies the air which
helps defog the windshield. Under this
condition, the indicator light on the A/C
button indicator will not turn on if the user
had selected A/C off prior to entering this
mode. Turning off the air condition via the
A/C button is not allowed in this mode. If
the A/C button indicator was on when
entering this mode, and the A/C button is
selected in this mode, the A/C compres-
sor will still be automatically enabled. The
air recirculation mode automatically
turns off, allowing outside air to be drawn
into the passenger compartment to
further improve the defogging perfor-
mance.
Remote Engine Start with
Intelligent Climate Control (if so
equipped)
Vehicles equipped with automatic climate
controls and Remote Engine Start function
may go into automatic heating or cooling
mode when Remote Engine Start is acti-
vated depending on outside and cabin
temperatures. During this period, the cli-
mate control display and buttons will be
inoperable until the ignition switch is
turned on. In Remote Engine Start defrost-
ing mode, the rear window defroster,
heated seat (if so equipped) and heated
steering wheel (if so equipped) may be ac-
tivated automatically.
Voice Recognition logic (if so
equipped)
When the climate control system is on, the
front and rear (if so equipped) fan speeds
may be automatically lowered so that
commands are more easily recognized.
Fan speed can be adjusted using the fan
speed
decrease andincrease
buttons, if desired.
MANUAL OPERATION
Fan speed control
Press thefan speed control buttons
to manually control the fan speed.
Press the AUTO button to return to auto-
matic control of the fan speed.
When adjusting the manual fan from auto
mode, the outlet direction (floor, floor/
defrost, vent, bi-level) will still automatically
change. To fix the outlet to a manual mode,
select the desired air flow location using
the MODE button.
Temperature control dial
The temperature control dial allows you to
adjust the temperature of the outlet air. To
lower the temperature, turn the dial to the
lef t. To increase the temperature, turn the
dial to the right. Temperature can be ad-
justed on the driver’s and passenger’s side.
Air recirculation
Press theair recirculation button to
recirculate interior air inside the vehicle when:
• driving on a dusty road
• to prevent traffic fumes from entering passenger compartment.
Monitor, climate, audio, phone and voice recognition systems4-39