 Infiniti QX: Automatic climate control
Infiniti QX: Automatic climate control
				
				Automatic operation
Cooling and/or dehumidified heating (AUTO):
This mode may be used all year round. The 
system works automatically to control the 
inside temperature, air flow distribution 
and fan speed after the preferred temperature 
is set manually. 
1. Push the “AUTO” button on. (The 
indicator on the button will illuminate 
and AUTO will be displayed.)
 
2. Turn the temperature control dial (driver 
side) to set the desired temperature.
► The temperature can be set within 
the following range. 
— For U.S.: 60 to 908F
 
— For Canada: 18 to 328C
► The temperature of the passenger compartment will be maintained automatically. Air flow distribution and fan speed will also be controlled automatically. 3. You can individually set driver and front passenger side temperature using each temperature control button. When the “DUAL” button is pushed or the passenger side temperature control button is turned, the DUAL indicator will come on. To turn off the passenger side temperature control, push the “DUAL” button. 4. To turn off the climate control system, push the “OFF” button. 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.
Heating (A/C OFF):
The air conditioner does not activate in this mode. When you need to heat only, use this mode. 1. Push the “AUTO” button on. 2. Push the “A/C” button. (The A/C indicator will turn off.)
3. Turn the temperature control dial to set 
the desired temperature.
 
► The temperature of the passenger 
compartment will be maintained automatically. 
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. Push the “ ” front defroster 
button. 
(The indicator light on the button will 
illuminate.). 
2. Turn the temperature control dial to set 
the desired temperature.
 ” front defroster 
button. 
(The indicator light on the button will 
illuminate.). 
2. Turn the temperature control dial to set 
the desired temperature.
 
► To quickly remove ice from the outside 
of the windows, push the fan speed 
increase button “  ” and set it to 
the 
maximum position.
” and set it to 
the 
maximum position.
 
► As soon as possible after the windshield 
is clean, push the “AUTO” button 
to return to the auto mode.
 
► When the “  ” front defroster 
button 
is pushed, the air conditioner will 
automatically be turned on at outside 
temperatures above 23F (−5C) to 
defog the windshield, and the air 
recirculate mode will automatically be 
turned off. 
Outside air is drawn into the passenger 
compartment to improve the defogging 
performance.
” front defroster 
button 
is pushed, the air conditioner will 
automatically be turned on at outside 
temperatures above 23F (−5C) to 
defog the windshield, and the air 
recirculate mode will automatically be 
turned off. 
Outside air is drawn into the passenger 
compartment to improve the defogging 
performance.
Manual operation
Fan speed control:
Push the fan speed increase “  ” 
or 
decrease “
” 
or 
decrease “ ” buttons to manually 
control 
the fan speed. 
Push the “AUTO” button to return to 
automatic control of the fan speed.
 ” buttons to manually 
control 
the fan speed. 
Push the “AUTO” button to return to 
automatic control of the fan speed.
Air flow control:
Pushing the “MODE” manual air flow control button selects the air outlet to:
 : Air flows from center and side 
ventilators.
: Air flows from center and side 
ventilators.
 
 : Air flows from center and side 
ventilators and 
foot outlets.
: Air flows from center and side 
ventilators and 
foot outlets.
 
 : Air flows mainly from foot 
outlets.
: Air flows mainly from foot 
outlets.
 
 : Air flows from defroster and foot 
outlets.
: Air flows from defroster and foot 
outlets.
Air recirculation:
Push the intake air control button to 
recirculate interior air inside the vehicle. 
The indicator light on the “ ” 
button will 
illuminate. 
The air recirculation mode cannot be 
activated when the air conditioner is in 
the front defrosting mode “
 ” 
button will 
illuminate. 
The air recirculation mode cannot be 
activated when the air conditioner is in 
the front defrosting mode “  ”.
”.
Outside air circulation:
Push the intake air control button to draw 
outside air into the passenger compartment. 
The indicator light on the “  ” 
button will turn off and “
” 
button will turn off and “ ” (if so 
equipped) will illuminate.
 ” (if so 
equipped) will illuminate.
Automatic intake air control:
In the AUTO mode, the intake air will be controlled automatically. To manually control the intake air, push the intake air control button.
► Without Advanced Climate Control System 
(ACCS): 
To return to the automatic control 
mode, push the intake air control 
button for about 2 seconds. The indicator 
lights (both air recirculation 
“  ” and outside air circulation 
“
” and outside air circulation 
“  ” buttons) will flash twice, and 
then the intake air will be controlled 
automatically.
” buttons) will flash twice, and 
then the intake air will be controlled 
automatically.
 
► With Advanced Climate Control System 
(ACCS): 
To return to the automatic control 
mode, push the intake air control 
button until the indicator light on the 
“  ” button illuminates. The Advanced 
Climate Control System (ACCS) 
turns on and the intake air will be 
controlled automatically.
” button illuminates. The Advanced 
Climate Control System (ACCS) 
turns on and the intake air will be 
controlled automatically.
Turning the system off
Push the OFF button.
Upper vent system
When the upper vent “ ” button is 
pushed, the air flow against the driver’s 
or passenger’s upper body becomes gentle. 
The indicator light on the button will 
illuminate. 
In this mode, air from the upper ventilator 
flows in order to control the cabin temperature 
without blowing air directly on the 
occupants. 
Push the upper vent “
 ” button is 
pushed, the air flow against the driver’s 
or passenger’s upper body becomes gentle. 
The indicator light on the button will 
illuminate. 
In this mode, air from the upper ventilator 
flows in order to control the cabin temperature 
without blowing air directly on the 
occupants. 
Push the upper vent “ ” button when 
you want the air conditioner to work 
quickly. 
To turn the system off, push the upper vent 
“
 ” button when 
you want the air conditioner to work 
quickly. 
To turn the system off, push the upper vent 
“  ” button to turn the indicator 
light off.
” button to turn the indicator 
light off.
Advanced Climate Control System (ACCS) (if so equipped)
The Advanced Climate Control System (ACCS) keeps the air inside of the vehicle clean, using the ion control and the automatic air intake control with exhaust gas detecting sensor.
 
 
Ion control:
This unit generates highly concentrated 
Plasmacluster® ions into the air blown 
from the ventilators and reduces odor 
absorbed into the interior trim. 
The high-density Plasmacluster® ions generated 
in the air conditioner’s air stream 
not only suppress airborne bacteria and 
reduce the adherence of odors to the 
interior trim, but also have a proven skin 
moisture preserving effect. 
When the air conditioner is turned on, the 
system generates Plasmacluster® ions 
automatically. 
The amount of Plasmacluster® ions increases 
according to the amount of air 
flow. When the air flow is high, “  ” 
is 
displayed on the screen and when the air 
flow is low, the indication in the screen 
changes to “
” 
is 
displayed on the screen and when the air 
flow is low, the indication in the screen 
changes to “ ”. 
Plasmacluster® and Plasmacluster® ion 
are registered trademarks of Sharp Corporation.
 ”. 
Plasmacluster® and Plasmacluster® ion 
are registered trademarks of Sharp Corporation.
Exhaust gas/outside odor detection sensor:
This vehicle is equipped with an exhaust 
gas detection sensor. When the automatic 
intake air control is ON, the sensor detects 
industry odors such as pulp or chemicals, 
and exhaust gas such as gasoline or 
diesel. When such odors or gas are 
detected, the system automatically 
changes from the outside air circulation 
mode to the recirculation mode. 
When the auto-recirculation button is 
pushed under the following conditions, 
the indicator light on the “ ” 
button will 
illuminate and the exhaust gas detection 
sensor will turn on.
 ” 
button will 
illuminate and the exhaust gas detection 
sensor will turn on.
 
► The air flow control is not in the front 
defroster mode (the indicator light on 
the “  ” front defroster button is 
turned off).
” front defroster button is 
turned off).
 
► The outside temperature is about 32F 
(0C) or more. 
When the automatic intake air control is 
ON, for the first 5 minutes, the recirculation 
mode is selected to prevent dust, dirt 
and pollen from entering the vehicle and 
cleans the air inside of the vehicle with 
positive and negative ions that are emitted 
from the ventilator. 
After the 5 minutes, the sensor detects 
exhaust gas and automatically alternates 
between the recirculation mode and outside 
air circulation mode.
Rear automatic air conditioning system

To control the rear automatic air conditioning system with the front air conditioner control panel, push the “REAR” button. When the rear automatic air conditioning system control is on, the indicator light on the “REAR” button will illuminate and the front display will switch to the rear air conditioner screen. The rear automatic air conditioning system can be adjusted with the front air conditioner control panel, when the rear air conditioner screen is displayed. To adjust the front air conditioning system, push the “REAR” button one more time.
Automatic operation:
1. Push the “AUTO” button. (The AUTO 
indicator light will illuminate and 
“AUTO” will appear on the display.)
2. Turn the temperature control dial (driver’s 
side) to set the desired temperature.
Manual operation:
► Temperature control
 
Turn the temperature control dial to set 
the desired temperature.
 
► Fan speed control
 
Push the fan speed control “  ” 
button or “
” 
button or “ ” button to manually 
control the fan speed.
 ” button to manually 
control the fan speed.
 
► Air flow control
 
Push the “MODE” button to change the 
air flow mode.
 : The air outlet is fixed at foot 
level.
: The air outlet is fixed at foot 
level.
 
 : The air outlet is fixed at both 
the head and 
foot level.
: The air outlet is fixed at both 
the head and 
foot level.
 
 : The air outlet is fixed at the 
head level.
: The air outlet is fixed at the 
head level.
Pushing the “A/C” button when the rear automatic air conditioning system is turned on with the rear air conditioner screen displayed will also turn off the rear automatic air conditioning system.
Rear Heating (A/C off):
1. Push the “REAR” button to display the 
rear air conditioner screen on the front 
display when the rear automatic air 
conditioning system is on. 
2. Switch the air flow mode to by 
pushing the “MODE” button. 
3. Push the “AUTO” button. (The AUTO 
indicator light will illuminate and 
“AUTO” will appear on the display.). 
4. If the A/C indicator light illuminates, 
push the “A/C” button. (The A/C 
indicator light will turn off.). 
5. Turn the temperature control dial to set 
the desired temperature.
 by 
pushing the “MODE” button. 
3. Push the “AUTO” button. (The AUTO 
indicator light will illuminate and 
“AUTO” will appear on the display.). 
4. If the A/C indicator light illuminates, 
push the “A/C” button. (The A/C 
indicator light will turn off.). 
5. Turn the temperature control dial to set 
the desired temperature.
 
► Do not set the temperature lower than 
the outside air temperature. Doing so 
may cause the temperature to not be 
controlled properly.
 
► To dehumidify the air, push the “A/C” 
button before turning on the heater.
 
► Air does not blow out from the vents on 
the ceiling when the system is used for 
heating.
Turning the system off:
Push the OFF button when the rear air conditioner screen is displayed.

1. “OFF” button
 
2. Fan speed control button
 
3. “AUTO” button
 
4. Display
 
5. “MODE” button
 
6. “TEMP” button
. Rear control buttons 
The rear seat passengers can adjust the 
rear automatic air conditioning system 
using the control switches at the rear of 
the center console. 
The rear control buttons do not function 
when the rear air conditioner screen is 
shown on the front display. To activate 
the rear control buttons, push the 
“REAR” button on the front air conditioner 
control panel and switch the 
screen on the front display. 
“OFF” button: Rear automatic air conditioning 
system off. 
“  ” button: Rear fan speed control 
up/down 
“AUTO” button: Rear automatic air 
conditioning system on, AUTO mode on 
“MODE” button: Rear air flow control 
change 
“TEMP” button: Rear temperature control 
up/down
 ” button: Rear fan speed control 
up/down 
“AUTO” button: Rear automatic air 
conditioning system on, AUTO mode on 
“MODE” button: Rear air flow control 
change 
“TEMP” button: Rear temperature control 
up/down
 Automatic climate control
Automatic climate control
    WARNING 
► The air conditioner cooling function 
operates only when the engine is running. 
► Do not leave children or adults who 
would normally require the support of 
others alone ...
    Operating tips
Operating tips
   When the engine coolant temperature and 
outside air temperature are low, the air 
flow from the foot outlets may not operate. 
However, this is not a malfunction. After 
the coolant temperature w ...
   See also:
Maintenance Schedule
   Owner Checks and Services
At Each Fuel Stop
. Check the engine oil level. See Engine Oil  .
Once a Month
. Check the tire inflation pressures. See Tire Pressure  .
. Inspect the tires f ...
   
Cargo net
   Important safety notes
WARNING  
Make sure the cargo net is properly engaged
at top and bottom position and the tightening
belts are securely fastened.
Never use a damaged cargo net.
A ...
   
Hill descent
   With Hill Descent Control (HDC) selected in either automatic, Sport or CommandShift 
modes, a low gear will be selected and maintained to provide maximum engine braking. 
Should the gear lever be mo ...
   











