ECU INFINITI QX55 2023 Owner's Manual

3. The back of the child restraint should besecured against the vehicle seatback.
If necessary, adjust or remove the head
restraint/headrest to obtain the correct
child restraint fit. If the head restraint/
headrest is removed, store it in a secure
place. Be sure to reinstall the head
restraint/headrest when the child re-
straint is removed. For additional infor-
mation, see “Head restraints/headrests”
(P. 1-7). If the seating position does not have an
adjustable head restraint/headrest and it
is interfering with the proper child re-
straint fit, try another seating position or a
different child restraint.
4. For child restraints that are equipped withwebbing-mounted attachments, remove
any additional slack from the anchor at-
tachments. Press downward and rear-
ward firmly in the center of the child re-
straint with your knee to compress the
vehicle seat cushion and seatback while
tightening the webbing of the anchor
attachments.
5. Tighten the tether strap according to the manufacturer's instructions to remove
any slack.
LRS2994
Forward-facing rigid-mounted – step 2
LRS0671
Forward-facing – step 4
1-32Safety-Seats, seat belts and supplemental restraint system

6. After attaching the child restraint, test itbefore you place the child in it. Push it
from side to side while holding the child
restraint near the LATCH attachment
path. The child restraint should not move
more than 1 inch (25 mm), from side to
side. Try to tug it forward and check to see
if the LATCH attachment holds the re-
straint in place. If the restraint is not se-
cure, tighten the LATCH attachment as
necessary, or put the restraint in another
seat and test it again. You may need to try
a different child restraint. Not all child re-
straints fit in all types of vehicles. 7. Check to make sure the child restraint is
properly secured prior to each use. If the
child restraint is loose, repeat steps 3
through 6.INSTALLING TOP TETHER STRAP
1Top tether strap
2Anchor point
The child restraint top tether strap must be
used when installing the child restraint with
the LATCH lower anchor attachments.
First, secure the child restraint with the
LATCH lower anchors (rear bench outboard
seating positions only).
WRS0697
Forward-facing – step 6
LRS3040
Rear bench seat
Safety-Seats, seat belts and supplemental restraint system1-33

Rear bench seat
1. Remove the head restraint/headrest andstore it in a secure place. Be sure to rein-
stall the head restraint/headrest when the
child restraint is removed. For additional
information, see “Head restraints/
headrests” in (P. 1-7).
2. Position the top tether strap
O1as shown.
3. Secure the tether strap to the tether an- chor point
O2as shown.
4. Tighten the tether strap according to the manufacturer’s instructions to remove
any slack.
If you have any questions when installing a
top tether strap, it is recommended that you
visit an INFINITI retailer for this service.
WARNING
Child restraint anchorages are designed to
withstand only those loads imposed by
correctly fitted child restraints. Under no
circumstances are they to be used to attach
adult seat belts, or other items or equip-
ment to the vehicle. Doing so could damage
the child restraint anchorages. The child re-
straint will not be properly installed using
the damaged anchorage, and a child could
be seriously injured or killed in a collision.
FORWARD-FACING CHILD
RESTRAINT INSTALLATION
USING THE SEAT BELTS
WARNING
The three-point seat belt with Automatic
Locking Retractor (ALR) must be used
when installing a child restraint. Failure to
use the ALR mode will result in the child
restraint not being properly secured. The
restraint could tip over or be loose and
cause injury to a child in a sudden stop or
collision. Also, it can change the operation
of the front passenger air bag. For addi-
tional information, see “Front passenger
air bag and status light” (P. 1-52). For additional information, see “Child safety”
(P. 1-19) and “Child restraints” (P. 1-21) be-
fore installing a child restraint.
Do not use the lower anchors if the combined
weight of the child and the child restraint
exceeds 65 lbs. (29.5 kg). If the combined
weight of the child and the child restraint is
greater than 65 lbs. (29.5 kg), use the vehi-
cle's seat belt (not the lower anchors) to in-
stall the child restraint. Be sure to follow the
child restraint manufacturer's instructions for
installation.
WRS0699
Forward-facing (front passenger seat) –step 1
1-34Safety-Seats, seat belts and supplemental restraint system

Follow these steps to install a forward-facing
child restraint using the vehicle seat belt in the
rear seats or in the front passenger seat:
1.If you must install a child restraint in the
front seat, it should be placed in a
forward-facing direction only. Move the
seat to the rearmost position. Child re-
straints for infants must be used in the
rear-facing direction and, therefore,
must not be used in the front seat.
2. Position the child restraint on the seat. Always follow the child restraint manu-
facturer’s instructions.
The back of the child restraint should be
secured against the vehicle seatback.
If necessary, adjust or remove the head
restraint/headrest to obtain the correct
child restraint fit. If the head restraint/
headrest is removed, store it in a secure
place. Be sure to reinstall the head
restraint/headrest when the child re-
straint is removed. For additional infor-
mation, see “Head restraints/headrests”
(P. 1-7).
If the seating position does not have an
adjustable head restraint/headrest and it
is interfering with the proper child re-
straint fit, try another seating position or a
different child restraint. 3. Route the seat belt tongue through the
child restraint and insert it into the buckle
until you hear and feel the latch engage.
Be sure to follow the child restraint manu-
facturer’s instructions for belt routing.
If the child restraint is equipped with a top
tether strap, route the top tether strap
and secure the tether strap to the tether
anchor point (rear seat installation only).
For additional information, see “Installing
top tether strap” (P. 1-38). Do not install child restraints that require
the use of a top tether strap in seating
positions that do not have a top tether
anchor.
WRS0680
Forward-facing – step 3
Safety-Seats, seat belts and supplemental restraint system1-35

8. After attaching the child restraint, test itbefore you place the child in it. Push it
from side to side while holding the child
restraint near the seat belt path. The child
restraint should not move more than 1
inch (25 mm), from side to side. Try to tug
it forward and check to see if the belt
holds the restraint in place. If the restraint
is not secure, tighten the seat belt as nec-
essary, or put the restraint in another seat
and test it again. You may need to try a
different child restraint. Not all child re-
straints fit in all types of vehicles. 9. Check to make sure the child restraint is
properly secured prior to each use. If the
seat belt is not locked, repeat steps 2
through 8.
10. If the child restraint is installed in thefront passenger seat, place the ignition
switch in the ON position. The front pas-
senger air bag status light
should
illuminate. If this light is not illuminated
see “Front passenger air bag and status
light” (P. 1-52). Move the child restraint
to another seating position. Have the
system checked. It is recommended that
you visit an INFINITI retailer for this
service.
After the child restraint is removed and the
seat belt is fully retracted, the ALR mode
(child restraint mode) is canceled.
WRS0698
Forward-facing – step 8
LRS0865
Forward-facing – step 10
Safety-Seats, seat belts and supplemental restraint system1-37

Installing top tether strap
The child restraint top tether strap must be
used when installing the child restraint with
seat belts.
First, secure the child restraint with the seat
belt.
Rear bench seat
1. Remove the head restraint/headrest andstore it in a secure place. Be sure to rein-
stall the head restraint/headrest when the
child restraint is removed. For additional
information, see “Head restraints/
headrests” in (P. 1-7).
2. Position the top tether strap
O1as shown.
3. Secure the tether strap to the tether an- chor point
O2as shown.
4. Tighten the tether strap according to the manufacturer’s instructions to remove
any slack.
If you have any questions when installing a
top tether strap, it is recommended that you
visit an INFINITI retailer for this service.
WARNING
Child restraint anchorages are designed to
withstand only those loads imposed by
correctly fitted child restraints. Under no
circumstances are they to be used to attach
adult seat belts, or other items or equip-
ment to the vehicle. Doing so could damage
the child restraint anchorages. The child re-
straint will not be properly installed using
the damaged anchorage, and a child could
be seriously injured or killed in a collision.
BOOSTER SEATS
For additional information on installing a
booster seat in your vehicle, follow the in-
structions outlined in this section.
Precautions on booster seats
WARNING
If a booster seat and seat belt are not used
properly, the risk of a child being injured or
killed in a sudden stop or collision greatly
increases:
– Make sure the shoulder portion of the
belt is away from the child's face and
neck and the lap portion of the belt does
not cross the stomach.
– Make sure the shoulder belt is not be-
hind the child or under the child's arm.
– A booster seat must only be installed in a
seating position that has a lap/shoulder
belt.
LRS3040
Rear bench seat
1Top tether strap
2Anchor point
1-38Safety-Seats, seat belts and supplemental restraint system

Booster seat installation
WARNING
To avoid injury to child, do not use the lap/
shoulder belt in the Automatic Locking Re-
tractor (ALR) mode when using a booster
seat with the seat belts.
For additional information, see “Child safety”
(P. 1-19), “Child restraints” (P. 1-21) and
“Booster seats” (P. 1-38) before installing a
child restraint.
Follow these steps to install a booster seat in
the rear seats or in the front passenger seat:
1.If you must install a booster seat in the
front seat, move the seat to the rearmost
position.
2. Position the booster seat on the seat. Only place it in a front-facing direction.
Always follow the booster seat manufac-
turer’s instructions. 3. The booster seat should be positioned on
the vehicle seat so that it is stable.
If necessary, adjust or remove the head
restraint/headrest to obtain the correct
booster seat fit. If the head restraint/
headrest is removed, store it in a secure
place. Be sure to reinstall the head
restraint/headrest when the booster
seat is removed. For additional informa-
tion, see “Head restraints/headrests”
(P. 1-7).
WRS0699LRS0454
1-40Safety-Seats, seat belts and supplemental restraint system

Front passenger air bag
The front passenger air bag and front pas-
senger supplemental knee air bag are de-
signed to automatically turn OFF when the
vehicle is operated under some conditions as
described below in accordance with U.S.
regulations. If the front passenger air bag and
front passenger supplemental knee air bag
are OFF, they will not inflate in a crash. The
driver air bag and other air bags in your ve-
hicle are not part of this system.
The purpose of the regulation is to help re-
duce the risk of injury or death from an inflat-
ing air bag to certain front passenger seat
occupants, such as children, by requiring the
air bag to be automatically turned OFF. Cer-
tain sensors are used to meet the
requirements.
The occupant classification sensor in this ve-
hicle is a weight sensor. It is designed to
detect an occupant and objects on the seat
by weight. For example, if a child is in the
front passenger seat, the INFINITI Advanced
Air Bag System is designed to turn the front
passenger air bag OFF in accordance with
the regulations. Also, if a child restraint of the
type specified in the regulations is on the
seat, its weight and the child’s weight can be
detected and cause the air bag to turn OFF.Front passenger seat adult occupants who
are properly seated and using the seat belt as
outlined in this manual should not cause the
front passenger air bag and front passenger
supplemental knee air bag to be automati-
cally turned OFF. For small adults it may be
turned OFF, however, if the occupant takes
his/her weight off the seat cushion (for ex-
ample, by not sitting upright, by sitting on an
edge of the seat, or by otherwise being out of
position), this could cause the sensor to turn
the air bags OFF. Always be sure to be
seated and wearing the seat belt properly for
the most effective protection by the seat belt
and supplemental air bag.
INFINITI recommends that pre-teens and
children be properly restrained in a rear seat.
INFINITI also recommends that appropriate
child restraints and booster seats be properly
installed in a rear seat. If this is not possible,
the occupant classification sensor is designed
to operate as described above to turn the
front passenger air bag and front passenger
supplemental knee air bag OFF for specified
child restraints as required by the regulations.
Failing to properly secure child restraints and
to use the ALR mode may allow the restraint
to tip or move in a collision or sudden stop.
This can also result in the front passenger air
bag and front passenger supplemental knee
air bag inflating in a crash instead of beingOFF. For additional information, see “Child
restraints” (P. 1-21).
If the front passenger seat is not occupied,
the front passenger air bag and front passen-
ger supplemental knee air bag is designed not
to inflate in a crash. However, heavy objects
placed on the seat could result in air bag
inflation, because of the object’s weight de-
tected by the occupant classification sensor.
Other conditions could also result in air bag
inflation, such as if a child is standing on the
seat, or if two children are on the seat, con-
trary to the instructions in this manual. Al-
ways be sure that you and all vehicle occu-
pants are seated and restrained properly.
Using the front passenger air bag status light,
you can monitor when the front passenger air
bag and front passenger supplemental knee
air bag is automatically turned OFF.
If an adult occupant is in the seat but the
front passenger air bag status light is illumi-
nated (indicating that the front passenger air
bag and front passenger supplemental knee
air bag is OFF), it could be that the person is a
small adult, or is not sitting on the seat prop-
erly or not using the seat belt properly.
If a child restraint must be used in the front
seat, the front passenger air bag status light
may or may not be illuminated, depending on
Safety-Seats, seat belts and supplemental restraint system1-53

2 Instruments and controls
Instrument panel.................................2-2
Meters and gauges ..............................2-4
Speedometer and odometer ...................2-4
Tachometer ..................................2-6
Engine coolant temperature gauge ............2-6
Fuel gauge ...................................2-7
Distance To Empty (DTE) .....................2-7
Variable Compression Turbo ..................2-8
Warning lights, indicator lights and audible
reminders ........................................2-9
Checking lights .............................. 2-10
Warning/Indicator lights (red) ...............2-10
Warning/Indicator lights (yellow) ............2-13
Warning/Indicator lights (other) ..............2-17
Audible reminders ........................... 2-18
Vehicle information display .....................2-19
How to use the vehicle information
display ...................................... 2-20
Startup display .............................. 2-20
Trip computer ............................... 2-21
Resetting the trip computer .................2-24
Tire Pressure Information (Display
Settings) .................................... 2-24
Oil control system ........................... 2-25
Vehicle information display warnings and
indicators ................................... 2-25
Security systems ............................... 2-33Vehicle security system
......................2-33
INFINITI Vehicle Immobilizer System .........2-34
Wiper and washer switch ......................2-36
Switch operation ............................ 2-36
Rain-sensing auto wiper system
(if so equipped) ............................. 2-37
Rear switch operation ....................... 2-38
Rear window defroster, outside mirror
defroster, and wiper deicer (if so equipped)
switch ......................................... 2-39
Headlight switch ............................... 2-40
Headlight control switch ....................2-40
LED Daytime Running Lights (DRL)
system ..................................... 2-45
Instrument brightness control ................2-46
Turn signal switch ........................... 2-46
Fog light switch ............................. 2-47
Horn .......................................... 2-47
Climate
controlled seat switches
(if so equipped) ................................ 2-48
Heated seats (if so equipped) ...................2-49
Heated rear seat switches (if so equipped) ......2-50
Steering Assist switch ........................... 2-51
Front and rear sonar system switch
(if so equipped) ................................. 2-51
Head Up Display (HUD) (if so equipped) .........2-52

Warning/Indicator light (red)Warning/Indicator light (yellow) Warning/Indicator light (other)
orBrake warning lightorAnti-lock Braking System (ABS)
warning lightAutomatic brake hold indicator light (white/
green)
Charge warning lightorElectronic parking brake warning
lightEco drive indicator light (green)
(if so equipped)
Electric shift control system warning lightForward Emergency Braking (FEB) with
Pedestrian Detection system warning lightFront fog light indicator light (green)
orElectronic parking brake
indicator lightFront passenger air bag status lightHigh Beam Assist indicator light (green)
Engine oil pressure warning lightLow tire pressure warning lightHigh beam indicator light (blue)
Master warning lightMalfunction Indicator Light (MIL)Side light and headlight indicator light
(green)
Pop-up engine hood warning light
(if so equipped)Master warning lightTurn signal/hazard indicator lights (green)
Seat belt warning light and chimePower steering warning light
Security indicator lightRear Automatic Braking (RAB) warning light
Supplemental air bag warning lightSlip indicator light
Vehicle Dynamic Control (VDC) OFF indica-
tor light
WARNING LIGHTS, INDICATOR
LIGHTS AND AUDIBLE REMINDERS
Instruments and controls2-9