heater INFINITI QX30 2018 Service Manual

NOTE
You should only select this setting until the
windshield is clear again.
Windows misted up on the outside:
1. Activate the windshield wipers.
2. Set the air distribution to
or.
NOTE
You should only select this setting until the
windows are clear again.
Air recirculation mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the ve-
hicle will then be recirculated.
If you activate air-recirculation mode, the
windows can mist up more quickly, in particu-
lar at low temperatures. Only use air recircu-
lation mode briefly to prevent the windows
misting up.
Activating air recirculation mode:
Make sure the ignition switch is in the ON
position.
Press the
button. The indicator light in
thebutton lights up.Deactivating air recirculation mode:
Press the
button. The indicator light in
thebutton goes out.
NOTE
Air-recirculation mode is deactivated auto-
matically:
•After approximately five minutes at out-
side temperatures below approximately
45° F (7°C).
•After approximately five minutes if the
"Cooling with air dehumidification" func-
tion is deactivated.
•After approximately 30 minutes at outside
temperatures above approximately 45° F
(7°C) if the cooling with air dehumidifica-
tion function is activated.
Idle Stop/Start function
During automatic engine switch-off, the Cli-
mate control only operates at a reduced ca-
pacity. If you require the full climate control
output, you can switch off the Idle Stop/
Start function by pressing the ECO button
(see " Idle Stop/Start System (if equipped)").
Display screen, heater and air conditioner, and audio system4-33

AUTOMATIC CLIMATE
CONTROL (2–ZONE)
1Sets the temperature, left
2Sets climate control to automatic mode
3Demists the windshield
4Increases the airflow
5Sets the air distribution
6Display
7Activates/deactivates air-recirculation
mode
8Switches climate control on/off
9Sets the temperature, right
10Activates/deactivates the Max Cool
function
11Activates/deactivates cooling with air
dehumidification
12Reduces the airflow
13Switches the rear window heating on/
off
14Switches the ZONE function on/off
Operating tips
A number of tips and recommendations to
enable you to get the most out of your auto-
matic climate control are listed below:
•Activate climate control using theandbuttons. The indicator lights in
theandbuttons light up.
•Set the temperature to 70° F (22° C)
•Only use the "Windshield demisting" func-
tion briefly until the windshield is clear
again.
•Only use air-recirculation mode briefly, for
example if there are unpleasant outside
odors or when in a tunnel. The windows
could otherwise mist up as no fresh air is
drawn into the vehicle in air-recirculation
mode
•Use thefunction to adopt the tem-
perature settings on the driver's side for
the front-passenger side as well. The indi-
cator light in the
button goes out.
NAA1705
4-34Display screen, heater and air conditioner, and audio system

•If you change the settings of the climate
control system, the climate status display
appears for approximately three seconds
at the bottom of the screen in the center
display (see separate operating instruc-
tions). You will see the current settings of
the various climate control functions.
Idle Stop/Start function
During automatic engine switch-off, the Cli-
mate control only operates at a reduced ca-
pacity. If you require the full climate control
output, you can switch off the Idle Stop/
Start function by pressing the ECO button
(see " Idle Stop/Start System (if equipped)").
Switching automatic climate
control on/off
When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could mist up.
Therefore, only switch off climate control
briefly.
Make sure the ignition switch is in the ON
position.
To activate:
Press the
button The indicator light in
thebutton lights up. Airflow and air
distribution are set to automatic mode.or
Press thebutton. The indicator light in
thebutton goes out. The previous settings
are reactivated.
To deactivate:
Press the
button. The indicator light in
thebutton lights up.
NOTE
Automatic climate control: switch on climate
control primarily using the
button.
Activating/deactivating the cooling
with air dehumidification function
If you deactivate the "Cooling with air dehu-
midification" function, the air inside the ve-
hicle will not be cooled. The air inside the
vehicle will also not be dehumidified. The
windows can mist up more quickly. There-
fore, only deactivate the "Cooling with air
dehumidification" function briefly.
The "Cooling with air dehumidification" func-
tion is only available when the engine is run-
ning. The air inside the vehicle is cooled and
dehumidified according to the temperature
selected.
Condensation may drip from the underside of
the vehicle when cooling mode is active. This
is normal and not a sign that there is a mal-
function.To activate:
Press the
button The indicator light in
thebutton lights up.
To deactivate:
Press the
button. The indicator light in
thebutton goes out. The cooling with
air dehumidification function has a delayed
switch-off feature.
Problems with the "Cooling with air dehu-
midification" function:
Problem:The indicator light in the
but-
ton flashes three times or remains off. The
cooling with air dehumidification function
cannot be activated.
Cause and solution:The cooling with air de-
humidification function has been deactivated
due to a malfunction. Have the system
checked. It is recommended you visit an
INFINITI retailer for this service.
Setting automatic climate control
to automatic mode
Only automatic climate control features the
"Control climate control automatically" func-
tion.
In automatic mode, the set temperature is
maintained automatically at a constant level
Display screen, heater and air conditioner, and audio system4-35

The system automatically regulates the tem-
perature of the dispensed air, the airflow and
the air distribution.
The automatic mode functions optimally
when the "Cooling with air dehumidification"
function is activated. If desired, cooling with
air dehumidification can be deactivated.
If you deactivate the "Cooling with air-
dehumidification" function, the air inside the
vehicle will not be cooled. The air inside the
vehicle will also not be dehumidified. The
windows can mist up more quickly. There-
fore, only deactivate the "Cooling with air-
dehumidification" function briefly.
To set climate control to automatic mode:
Make sure the ignition switch is in the ON
position.
Set the desired temperature.
To activate: press the
button The indi-
cator light in thebutton lights up. Auto-
matic air distribution and airflow are activated.
To switch to manual mode: press theorbutton
or
Press the
orbutton. The indicator
light in thebutton goes out. Automatic
air distribution and airflow are deactivated.
Setting the temperature
Different temperatures can be set for the
driver's and front-passenger sides. The set
temperature is automatically maintained at a
constant level.
Make sure the ignition switch is in the ON
position.
To increase or reduce temperature: turn con-
trol
1or9counterclockwise or clockwise.
Only change the temperature setting in small
increments. Start at 70° F (22° C).
Setting the air distribution
Directs the airflow through the demis-
ter ventilators.
Directs the airflow through the center
and side air ventilators.
Directs the airflow through the foot-
well air ventilators.
Directs the airflow through the center
and side air ventilators as well as the
footwell air ventilators.
Directs the airflow through the center
and side air ventilators as well as the
demister ventilators.
Directs the airflow through the foot-
well and demister ventilators.
Directs the airflow through the demis-
ter ventilators, the center and side air
ventilators as well as the footwell air
ventilators.NOTE
Regardless of the air distribution setting,
airflow is always directed through the side
air ventilators. The side air ventilators can
only be closed if the adjusters are turned
clockwise until they engage.
To set the air distribution:
1. Make sure the engine is running.
2. Press the
orbutton repeat-
edly until the desired symbol appears in
the display.
Setting the airflow
1. Make sure the ignition switch is in the ON
position.
2. To increase or reduce airflow: press the
orbutton.
Switching the ZONE function
on/off
This function is only available with automatic
climate control.
To activate:press the
button. The in-
dicator light in thebutton lights up. The
temperature setting for the driver's side is not
adopted for the front-passenger side.
To deactivate:press the
button. The
indicator light in thebutton goes out.
4-36Display screen, heater and air conditioner, and audio system

The temperature setting for the driver's side
is adopted for the front-passenger side.
Defogging the windshield
You can use this function to de-ice the wind-
shield or to defog the inside of the windshield
and the side windows.
NOTE
You should only select the "Windshield de-
misting" function until the windshield is clear
again.
Activating the "Windshield demisting"
function:
Make sure the ignition switch is in the ON
position.
To activate: press the
button The indi-
cator light in thebutton lights up.
The climate control system switches to the
following functions:
•High airflow
•High temperature
•Air distribution to the windshield and front
side windows
•Air-recirculation mode offNOTE
•The "Windshield demisting" function auto-
matically sets the blower output to the
optimum demisting effect. As a result, the
airflow may increase or decrease auto-
matically after the
button is pressed.
•You can adjust the blower output man-
ually while the "Windshield demisting"
function is in operation. Press the
orbutton.
Deactivating the "Windshield demisting"
function:
Press the
button. The indicator light in
thebutton goes out. The previous set-
tings are reactivated Air-recirculation mode
remains deactivated.
or
Turn temperature control
1or9counter-
clockwise or clockwise.
Defogging the windows
Windows misted up on the inside:
1. Activate the
"Cooling with air dehu-
midification" function.
2. Activate automatic mode
.3. If the windows continue to mist up, acti-
vate the
"Windshield demisting"
function.
NOTE
You should only select this setting until the
windshield is clear again.
Windows misted up on the outside:
1. Activate the windshield wipers.
2. Set the air distribution to
or.
NOTE
You should only select this setting until the
windows are clear again.
Air recirculation mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the ve-
hicle will then be recirculated.
If you activate air-recirculation mode, the
windows can mist up more quickly, in particu-
lar at low temperatures. Only use air recircu-
lation mode briefly to prevent the windows
misting up.
Activating air recirculation mode:
Make sure the ignition switch is in the ON
position.
Display screen, heater and air conditioner, and audio system4-37

Press thebutton. The indicator light in
thebutton lights up.
Air-recirculation mode is activated automati-
cally at high outside temperatures or high
levels of pollution. When air-recirculation
mode is activated automatically, the indicator
light in the
button is not lit. Outside air
is added after about 30 minutes.
Deactivating air recirculation mode:
Press the
button. The indicator light in
thebutton goes out.
NOTE
Air-recirculation mode is deactivated auto-
matically:
•After approximately five minutes at out-
side temperatures below approximately
45° F (7°C).
•After approximately five minutes if the
"Cooling with air dehumidification" func-
tion is deactivated.
•After approximately 30 minutes at outside
temperatures above approximately 45° F
(7°C) if the cooling with air dehumidifica-
tion function is activated.
SERVICING AIR CONDITIONER
WARNING
The air conditioner system contains refrig-
erant under high pressure. To avoid per-
sonal injury, any air conditioner service
should be done only by an experienced
technician with the proper equipment.
The air conditioner system in your vehicle is
charged with a refrigerant designed with the
environment in mind.
This refrigerant will not harm the earth’s
ozone layer.
Special charging equipment and lubricant are
required when servicing your vehicle’s air
conditioner. Using improper refrigerants or
lubricants will cause severe damage to the air
conditioner system. (See "Air conditioner sys-
tem refrigerant and oil recommendations".)
An INFINITI retailer will be able to service
your environmentally friendly air conditioner
system.
Air conditioner filter
The air conditioner system is equipped with
an air conditioner filter. To make sure the air
conditioner heats, defogs, and ventilates ef-
ficiently, replace the filter in accordance with
the specified maintenance intervals listed in
the separate maintenance booklet. It is rec-
ommended you visit an INFINITI retailer for
this service.
The filter should be replaced if the air flow
decreases significantly or if windows fog up
easily when operating the heater or air con-
ditioner.
4-38Display screen, heater and air conditioner, and audio system

In addition to the roof mounted antenna
(where fitted) there is an antenna pattern is
printed inside the rear window.
CAUTION
•Do not place metalised film near the rear
window glass or attach any metal parts
to it. This may cause poor reception 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 soft cloth.When installing large capacity wireless
equipment or a car phone in your vehicle, be
sure to observe the following cautions, oth-
erwise the new equipment adversely affect
the electronic control modules and electronic
control system harness.
WARNING
•A cellular phone should not be used for
any purpose while driving so full atten-
tion may be given to vehicle operation.
Some jurisdictions prohibit the use of
cellular phones while driving.
•If you must make a call while your vehicle
is in motion, the hands-free cellular
phone operational mode (if so equipped)
is highly recommended. Exercise ex-
treme caution at all times so full atten-
tion may be given to vehicle operation.
•If a conversation in a moving vehicle re-
quires you to take notes, pull off the
road to a safe location and stop your
vehicle before doing so.
CAUTION
•Keep the antenna as far as possible
away from the electronic control mod-
ules.
•Also keep the antenna wire more than 8
inches (20 cm) away from the electronic
control system harness. 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 details it is recommended you visit
an INFINITI retailer.
ANTENNA CAR PHONE OR CB RADIO
Display screen, heater and air conditioner, and audio system4-39

MEMO
4-40Display screen, heater and air conditioner, and audio system

WARNING
•Do not continue to drive if your vehicle
overheats. Doing so could cause engine
damage or a vehicle fire.
•To avoid the danger of being scalded,
never remove the radiator or coolant
reservoir cap while the engine is hot.
When the radiator or coolant reservoir
cap is removed, pressurized hot water
will spurt out, possibly causing serious
injury.
•Do not open the hood if steam is coming
out.
If
the engine of your vehicle is overheating
(indicated by the engine coolant temperature
gauge) or if you feel a lack of engine power,
detect unusual noise, etc., proceed as follows:
1. Move and park the vehicle safely off the
road and away from traffic.
2. Turn on the hazard warning flasher lights.
3. Apply the parking brake.
4. Press the P (Park) button.
DO NOT STOP THE ENGINE.
5. Open all windows.6. Switch off the air conditioner system (if
equipped).
7. Set the heater or air conditioner tempera-
ture control to maximum “HOT” and fan
speed control to maximum speed.
8. Exit the vehicle.
9. Visually inspect and listen for steam or
coolant escaping from the radiator before
opening the hood.
WARNING
Ifsteam or water is coming from the engine,
stand clear to prevent getting burned.
10. Open the hood. For details, see "Hood".
11.
Visually check if the cooling fan is running.
12. Visually check the radiator and radiator
hoses for leakage.
WARNING
Be careful not to allow your hands, hair,
jewelry or clothing to come into contact
with, or get caught in, engine belts or the
engine cooling fan. The engine cooling fan
can start at any time.13. After the engine cools down, check the
coolant level in the engine coolant reser-
voir with the engine running.Do not
open the radiator cap (if equipped).
14. If the level is low, remove the engine
coolant reservoir cap and add coolant
slowly into the reservoir. After refilling
the reservoir to the MAX level, install the
reservoir cap.
15. Close the hood.
Have your vehicle inspected or repaired. It is
recommended you visit an INFINITI retailer.
IF YOUR VEHICLE OVERHEATS
In case of emergency6-13

•When adding or replacing coolant, be
sure to use only INFINITI Genuine En-
gine Coolant, BASF Glysantin G40 or
equivalent in its quality. The use of other
types of engine coolant may damage the
engine cooling system.
CHECKING ENGINE COOLANT
LEVEL
NOTE
The coolant level must only be checked and
corrected when the engine is cold.
1. Park the vehicle on a level surface.
Only check the coolant level if the vehicle
is on a level surface and the engine is cold.2. Slowly turn cap
1half a turn counter-
clockwise to allow excess pressure to es-
cape.
3. Turn cap
1further counter-clockwise
and remove it.
If the coolant is at the level of marker bar
3in the filler neck when cold, there is
enough coolant in coolant expansion tank
2.
4. If necessary, top up with INFINITI Genu-
ine Engine Coolant, BASF Glysantin G40
or equivalent in its quality.
5. Replace cap
1and turn it clockwise as
far as it will go.
If the cooling system frequently requires
coolant, have it checked. It is recommended
that you visit an INFINITI retailer for this
service.
CHANGING ENGINE COOLANT
An INFINITI retailer can change the engine
coolant.
Improper servicing can result in reduced
heater performance and engine overheating.
WARNING
•To avoid being scalded, never change
the coolant when the engine is hot.
•Never remove the radiator cap when the
engine is hot. Serious burns could be
caused by high pressure fluid escaping
from the radiator.
•Avoid direct skin contact with used
coolant. If skin contact is made, wash
thoroughly with soap or hand cleaner as
soon as possible.
•Keep coolant out of reach of children
and pets.
Engine coolant must be disposed of properly.
Check your local regulations.
NDI1602
8-4Do-it-yourself