climate control NISSAN ALTIMA 2020 Owner´s Manual

NOTE:∙ Odors from inside and outside the ve-
hicle can build up in the air condi-
tioner unit. Odor can enter the pas-
senger 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.
AUTOMATIC OPERATION
Cooling and/or dehumidified
heating (AUTO)
This mode may be used all year round as
the system automatically works to keep a
constant temperature. Air flow distribution,
air intake control, and fan speed are also
controlled automatically.
1. Press the AUTO button on.
2. Turn the temperature control dial to the lef t or right to set the desired tem-
perature.
∙ Adjust the temperature display to about 75°F (24°C) for normal operation. ∙ The temperature of the passenger
compartment will be maintained auto-
matically. Air flow distribution, air intake
control and fan speed are also con-
trolled automatically.
∙ 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.
3. You can individually set driver’s and front passenger’s side temperature us-
ing each temperature control dial. To
synchronize the driver’s and front pas-
senger’s temperature settings, press
the SYNC button.Heating (A/C OFF)
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 set the desired temperature.
∙ The temperature of the passenger compartment will be maintained auto-
matically. 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 thefront defroster button
on.
2. Turn the temperature control dial to set the desired temperature.
∙ To quickly remove ice from the outside of the windows, use the
fan speed
control buttons to set the fan speed to
maximum.
∙ As soon as possible af ter the wind- shield is clean, press the AUTO button to
return to the automatic mode.
∙ When the
front defroster button is
pressed, the air conditioner will auto-
matically be turned on at outside tem-
peratures above 36°F (2°C). The air recir-
culate mode automatically turns off,
allowing outside air to be drawn into the
passenger compartment to further im-
prove the defogging performance.
4-38Monitor, climate, audio, phone and voice recognition systems

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 and
heated steering wheel (if so equipped) may
be activated automatically.
MANUAL OPERATION
Fan speed control buttons
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.
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.
The
indicator light on the button will
come on.
The air recirculation cannot be activated
when the air conditioner is in the
front defrosting mode.
When the outside temperature exceeds
70°F (21°C), the air conditioning system may
default to air recirculation mode automati-
cally to reduce overall power consumption.
To exit air recirculation mode, deselect the
air recirculation button (indicator light will
turn off ) to enter fresh air mode.
Automatic intake air control
In the AUTO mode, the intake air will be
controlled automatically. To manually con-
trol the intake air, press the
air recir-
culation button. To return to the automatic
control mode, press and hold the
air
recirculation button for about 2 seconds.
The indicator light will flash twice, and then
the intake air will be controlled automati-
cally.
A/C (air conditioner) button
Start the engine, press thefan speed
control buttons 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.
Air flow control
Pressing thebutton manually con-
trols air flow and selects the air outlet:
— Air flows from center and side
vents.
— Air flows from center and sidevents and foot outlets.
— Air flows mainly from footoutlets.
— Air flows from defroster andfoot outlets.
Synchronize climate settings
Press the SYNC button to synchronize cli-
mate settings. The sync indicator will turn
on.
Pressing SYNC will synchronize driver’s and
front passenger’s climate settings.
Monitor, climate, audio, phone and voice recognition systems4-39

To change climate settings when SYNC is
active (the SYNC indicator is on):∙ The driver’s side temperature control dial will control the driver and front pas-
senger temperatures.
∙ The fan speed control dial will control the fan speeds.
To exit SYNC: ∙ To remove the front passenger from SYNC, turn the passenger’s side tem-
perature control dial.
∙ Pressing SYNC multiple times will re- activate SYNC.
To turn system off
Press the ON-OFF button.
Rear window and outside mirror
defroster switch
For additional information, refer to “Rear
window and outside mirror (if so equipped)
defroster switch” in the “Instruments and
controls” section of this manual.
Heated seat switches
For additional information, refer to “Heated
seat switches” in the “Instruments and con-
trols” section of this manual.
Heated steering wheel switch
For additional information, refer to “Heated
steering wheel switch” in the “Instruments
and controls” section of this manual.
OPERATING TIPS
The sunload sensor, located on the top
center of the instrument panel, helps the
system maintain a constant temperature.
Do not put anything on or around this sen-
sor.
LHA4943
4-40Monitor, climate, audio, phone and voice recognition systems

∙ When the climate system is in auto-matic operation and the engine coolant
temperature and outside air tempera-
ture are low, the air flow outlet may de-
fault to defroster mode for a maximum
of 2 minutes 30 seconds. This is not a
malfunction. Af ter the engine coolant
temperature warms up, the air flow out-
let will return to foot mode and opera-
tion will continue normally.
∙ When the outside and interior cabin temperatures are moderate to high, the
intake setting may default to turn off air
recirculation to allow fresh air into the
passenger compartment. You may no-
tice air flow from the foot mode, bi-level
mode, or side demist vent outlets for a
maximum of 15 seconds. This may oc-
cur when the previous climate setting
was turned off. This is not a malfunction.
Af ter the initial warm air is expelled, the
intake will return to automatic control,
the air flow outlet will return to previous
settings, and operation will continue
normally. To exit, press any climate con-
trol button.
∙ Keep the moonroof (if so equipped) closed while the air conditioner is in op-
eration. ∙ If you feel that the air flow mode you
have selected and the outlets the air is
coming out do not match, select
the
mode.
∙ When you change the air flow mode, you may feel air flow from the foot out-
lets for just a moment. This is not a
malfunction. The air conditioner system in your NISSAN
vehicle is charged with a refrigerant de-
signed with the environment in mind.
This refrigerant does not harm the
earth’s ozone layer.
Special charging equipment and lubricant
is required when servicing your NISSAN air
conditioner. Using improper refrigerants or
lubricants will cause severe damage to
your air conditioner system. For additional
information, refer to “Air conditioner sys-
tem refrigerant and oil recommendations”
in the “Technical and consumer informa-
tion” section of this manual.
It is recommended that you visit a NISSAN
dealer to service your “environmentally
friendly” air conditioner system.
WARNING
The air conditioner system contains re-
frigerant under high pressure. To avoid
personal injury, any air conditioner ser-
vice should be done only by an experi-
enced technician with proper
equipment.
SERVICING AIR CONDITIONER
Monitor, climate, audio, phone and voice recognition systems4-41

There is a USB/iPod® charging port located
on the rear center console. This port will
charge compatible devices.
NOTE:
Only the USB connection port located
below the instrument panel will allow
operation of the USB/iPod® devices
through the audio system.The antenna pattern is printed inside the
rear window.
CAUTION
∙ Do not place metalized film near the
rear window glass or attach any metal
parts to it. This may cause poor recep-
tion or noise
∙ When cleaning the inside of the rear window, be careful not to scratch or
damage the rear window antenna.
Lightly wipe along the antenna with a
dampened sof t cloth. When installing a CB, ham radio or car
phone in your vehicle, be sure to observe
the following precautions; otherwise, the
new equipment may adversely affect the
engine control system and other electronic
parts.
WARNING
∙ A cellular phone should not be used
for any purpose while driving so full
attention may be given to vehicle op-
eration. Some jurisdictions prohibit
the use of cellular phones while
driving.
∙ If you must make a call while your ve- hicle is in motion, the hands free cellu-
lar phone operational mode is highly
recommended. Exercise extreme cau-
tion at all times so full attention may
be given to vehicle operation.
∙ If you are unable to devote full atten- tion to vehicle operation while talking
on the phone, pull off the road to a
safe location and stop your vehicle.
LHA4803
USB/iPod® CHARGING PORT ANTENNACAR PHONE OR CB RADIO
4-42Monitor, climate, audio, phone and voice recognition systems

CAUTION
∙ Keep the antenna as far away as pos-sible from the electronic control
modules.
∙ Keep the antenna wire more than 8 in (20 cm) away from the electronic con-
trol system harnesses. Do not route
the antenna wire next to any harness.
∙ Adjust the antenna standing-wave ratio as recommended by the
manufacturer.
∙ Connect the ground wire from the CB radio chassis to the body.
∙ For additional information, it is rec- ommended that you visit a NISSAN
dealer for servicing.
Monitor, climate, audio, phone and voice recognition systems4-43

Do not tow a trailer with your vehicle.
FLAT TOWING
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational ve-
hicle, such as a motor home.
CAUTION
∙ Failure to follow these guidelines canresult in severe transmission damage.
∙ Whenever flat towing your vehicle, al- ways tow forward, never backward.
∙ Never tow your front wheel drive ve- hicle with the front tires on the
ground. Doing so may cause serious
and expensive damage to the
powertrain.
∙ DO NOT tow any continuously variable transmission vehicle with all four
wheels on the ground (flat towing).
Doing so WILL DAMAGE internal trans-
mission parts due to lack of transmis-
sion lubrication. ∙ For emergency towing procedures re-
fer to “Towing recommended by
NISSAN” in the “In case of emergency ”
section of this manual.
Continuously Variable
Transmission (CVT)
To tow a vehicle equipped with a CVT, an
appropriate vehicle dolly MUSTbe placed
under the towed vehicle’s drive wheels.
Always follow the dolly manufacturer’s
recommendations when using their prod-
uct. DOT (Department of Transportation) Qual-
ity Grades: All passenger car tires must
conform to federal safety requirements in
addition to these grades.
Quality grades can be found where appli-
cable on the tire sidewall between tread
shoulder and maximum section width. For
example:
Treadwear 200 Traction AA Temperature A
Treadwear
The treadwear grade is a comparative rat-
ing based on the wear rate of the tire when
tested under controlled conditions on a
specified government test course. For ex-
ample, a tire graded 150 would wear one
and one-half (1 1/2) times as well on the
government course as a tire graded 100.
The relative performance of tires depends
upon the actual conditions of their use,
however, and may depart significantly from
the norm due to variations in driving habits,
service practices and differences in road
characteristics and climate.
TOWING A TRAILER
UNIFORM TIRE QUALITY GRADING
10-18Technical and consumer information