System failure INFINITI QX50 2021 Owner's Guide

seconds. Then place the ignition switch back
in the ON position. The vehicle should return
to its normal operating condition. If it does
not return to its normal operating condition,
have the transmission checked and repaired,
if necessary. It is recommended that you visit
an INFINITI retailer for this service.
WARNING
When the high fluid temperature protec-
tion mode or fail-safe operation occurs, ve-
hicle speed may be gradually reduced. The
reduced speed may be lower than other
traffic, which could increase the chance of
a collision. Be especially careful when driv-
ing. If necessary, pull to the side of the road
at a safe place and allow the transmission
to return to normal operation, or have it
repaired if necessary.
WARNING
• Be sure the parking brake is fully re-
leased before driving. Failure to do so
can cause brake failure and lead to an
accident.
• Do not release the parking brake from
outside the vehicle.
• Do not use the shift lever in place of the
parking brake. When parking, be sure the
parking brake is fully engaged. •
To help avoid risk of injury or death
through unintended operation of the ve-
hicle and/or its systems, do not leave
children, people who require the assis-
tance of others or pets unattended in
your vehicle. Additionally, the tempera-
ture inside a closed vehicle on a warm day
can quickly become high enough to cause
a significant risk of injury or death to
people and pets.
The electronic parking brake can be applied
or released automatically or by operating the
parking brake switch.
AUTOMATIC OPERATION
The electronic parking brake will apply auto-
matically if the ignition switch is placed in the
OFF position when the brake force is main-
tained by the automatic brake hold function.
The electronic parking brake is automatically
released as soon as the vehicle starts and the
accelerator pedal is depressed.
The driver’s seat belt needs to be fastened.
LSD2915
ELECTRONIC PARKING BRAKE
Starting and driving5-23

• While the electronic parking brake is ap-plied or released, an operating sound is
heard from the lower side of the rear seat.
This is normal and does not indicate a
malfunction.
• When the electronic parking brake is fre- quently applied and released in a short pe-
riod of time, the parking brake may not
operate in order to prevent the parking
brake system from overheating. If this oc-
curs, operate the electronic parking brake
switch again after waiting approximately
1 minute.
• If the electronic parking brake must be ap- plied while driving in an emergency, pull up
and hold the parking brake switch. When
you release the parking brake switch, the
parking brake will be released.
• While pulling up the electronic parking brake switch during driving, the parking
brake is applied and a chime sounds. The
electronic parking brake indicator light
(red) in the meter and in the parking brake
switch illuminates. This does not indicate a
malfunction. The electronic parking brake
indicator light (red) in the meter and in the
parking brake switch turns off when the
parking brake is released. • When pulling the electronic parking brake
switch up with the ignition switch in the
OFF or AUTO ACC position, the parking
brake switch indicator light will continue
to illuminate for a short period of time.
WHEN TOWING A TRAILER
Depending on the weight of the vehicle and
trailer and the steepness of the slope, there
may be a tendency for the vehicle to move
backwards when starting from a standstill.
When this occurs, you can use the parking
brake switch in the same way as a conven-
tional lever type parking brake.
Before starting on sloping roads when tow-
ing a trailer, be sure to read the following to
prevent the vehicle from moving backwards
unintentionally.
• Release the parking brake switch as soonas the engine is delivering enough torque to
the wheels. The automatic brake hold function maintains
the braking force without the driver having to
depress the brake pedal when the vehicle is
stopped at a traffic light or intersection. As
soon as the driver depresses the accelerator
pedal again, the automatic brake hold func-
tion is deactivated and the braking force is
released. The operating status of the auto-
matic brake hold can be displayed on the
vehicle information display.
WARNING
• The automatic brake hold function is not
designed to hold the vehicle on a steep
hill or slippery road. Never use the auto-
matic brake hold when the vehicle is
stopped on a steep hill or slippery road.
Failure to do so may cause the vehicle to
move.
• The automatic brake hold function is de-
signed to operate on gradients between
—30% to +30%. Outside this range the
system may not operate. The automatic
brake hold warning may appear in the
Vehicle Information Display to request
that the driver retake control by de-
pressing the brake pedal.
AUTOMATIC BRAKE HOLD
Starting and driving5-25

•When the automatic brake hold function
is activated but fails to maintain the ve-
hicle at a standstill, depress the brake
pedal to stop the vehicle. If the vehicle
unexpectedly moves due to outside con-
ditions, the chime may sound and auto-
matic brake hold warning may illuminate
in the vehicle information display.
• Be sure to deactivate the automatic
brake hold function when using a car
wash or towing your vehicle.
• Make sure to place the shift lever in the P
(Park) position and apply the parking
brake when parking your vehicle, riding
on or off the vehicle, or loading luggage.
Failure to do so could cause the vehicle to
move or roll away unexpectedly and re-
sult in serious personal injury or property
damage.WARNING
• If any of the following conditions occur,
the automatic brake hold function may
not function. Have the system checked
promptly. It is recommended that you
visit an INFINITI retailer for this service.
Failure to operate the vehicle in accor-
dance with these conditions could cause
the vehicle to move or roll away unex-
pectedly and result in serious personal
injury or property damage.
– A warning message appears in the ve-
hicle information display.
– The indicator light on the automatic
brake hold switch does not illuminate
when the switch is pushed.
• The automatic brake hold function will
not be activated if the Slip indicator
light, electronic parking brake warning
light or master warning light illuminate
and the chassis control system fault
message appears in the vehicle informa-
tion display.
• To maintain the braking force to keep
the vehicle to a standstill, a noise may be
heard. This is not a malfunction.
HOW TO ACTIVATE/
DEACTIVATE THE AUTOMATIC
BRAKE HOLD FUNCTION
For additional information on activating and
deactivating the automatic brake hold func-
tion, refer to the instructions outlined in this
section.
How to activate the automatic
brake hold function
1. With the ignition switch in the ON posi- tion, push the automatic brake hold switch
O1. The indicator light on the automatic
brake hold switch
O2illuminates.
LSD2916
5-26Starting and driving

WARNING
Failure to follow the warnings and instruc-
tions for proper use of the LDW system
could result in serious injury or death.
• This system is only a warning device to
inform the driver of a potential unin-
tended lane departure. It will not steer
the vehicle or prevent loss of control. It is
the driver’s responsibility to stay alert,
drive safely, keep the vehicle in the trav-
eling lane, and be in control of the vehicle
at all times. The LDW system will operate when the ve-
hicle is driven at speeds of approximately 37
mph (60 km/h) and above, and only when the
lane markings are clearly visible on the road.
The LDW system monitors the lane markers
on the traveling lane using the camera unit
O1
located above the inside mirror.
The LDW system warns the driver with an
indicator in the vehicle information display
and the steering wheel will vibrate, indicating
that the vehicle is beginning to leave the driv-
ing lane. For additional information, see
“LDW system operation” (P. 5-36).
LSD2823
LANE DEPARTURE WARNING (LDW)
Starting and driving5-35

HOW TO ENABLE/DISABLE THE
LDW SYSTEMPerform the following steps to enable or dis-
able the LDW system:1. Press the MENU button below the lower
display screen.
2. Select “Driver Assistance.”
3. Select “Lane Assist.”
4. Select “ON” to turn the “Lane Departure Warning” system on or off.
LDW SYSTEM LIMITATIONS
WARNING
Listed below are the system limitations for
the LDW system. Failure to follow the
warnings and instructions for proper use of
the LDW system could result in serious in-
jury or death.
• This system is only a warning device to
inform the driver of a potential unin-
tended lane departure. It will not steer
the vehicle or prevent loss of control. It is
the driver’s responsibility to stay alert,
drive safely, keep the vehicle in the trav-
eling lane, and be in control of the vehicle
at all times.
• The system will not operate at speeds
below approximately 37 mph (60 km/h)
or if it cannot detect lane markers.
LSD3935
Starting and driving5-37

WARNING
Failure to follow the warnings and instruc-
tions for proper use of the LDP system
could result in serious injury or death.
• The LDP system will not steer the vehicle
or prevent loss of control. It is the driv-
er’s responsibility to stay alert, drive
safely, keep the vehicle in the traveling
lane, and be in control of the vehicle at all
times. •
The LDP system is primarily intended for
use on well-developed freeways or high-
ways. It may not detect the lane markers
in certain road, weather, or driving
conditions.
The LDP system will operate when the ve-
hicle is driven at speeds of approximately 37
mph (60 km/h) and above, and only when the
lane markings are clearly visible on the road.
The LDP system warns the driver with a
warning indicator in the vehicle information
display, the steering wheel will vibrate and
helps assist the driver to return the vehicle to
the center of the traveling lane by applying
the brakes to the left or right wheels individu-
ally (for a short period of time).
The LDP system monitors the lane markers
on the traveling lane using the camera unit
O1
located above the inside mirror.
LSD2823
LANE DEPARTURE PREVENTION
(LDP) (if so equipped)
5-40Starting and driving

HOW TO ENABLE/DISABLE THE
LDP SYSTEMWhen the LDP system is enabled in the lower
display, the system can be turned off tempo-
rarily by pushing the ProPILOT Assist switch
on the steering wheel.Perform the following steps to enable or dis-
able the LDP system.
1. Press the MENU button below the lower
display screen.
2. Select “Driver Assistance.”
3. Select “Lane Assist.”
4. Select “ON” to turn the “Lane Interven- tion” system on or off.
NOTE:
Turning on the ProPILOT Assist system (if so
equipped) will turn on the LDP system at the
same time. For additional information, see
“ProPILOT Assist” (P. 5-77).
LDP SYSTEM LIMITATIONS
WARNING
Listed below are the system limitations for
the LDP system. Failure to follow the
warnings and instructions for proper use of
the LDP system could result in serious in-
jury or death.
LSD3935
5-42Starting and driving

SYSTEM MAINTENANCE
The lane camera unitO1for the LDP system
is located behind the inside mirror. To keep
the proper operation of the LDP system and
prevent a system malfunction, be sure to ob-
serve the following:
• Always keep the windshield clean.
• Do not attach a sticker (including transpar- ent material) or install an accessory near
the camera unit. • Do not place reflective materials, such as
white paper or a mirror, on the instrument
panel. The reflection of sunlight may ad-
versely affect the camera unit’s capability
of detecting the lane markers.
• Do not strike or damage the areas around the camera unit. Do not touch the camera
lens or remove the screw located on the
camera unit. If the camera unit is damaged
due to an accident, it is recommended that
you visit an INFINITI retailer.
WARNING
Failure to follow the warnings and instruc-
tions for proper use of the BSW system
could result in serious injury or death.
• The BSW system is not a replacement for
proper driving procedures and is not de-
signed to prevent contact with vehicles
or objects. When changing lanes, always
use the side and rear mirrors and turn
and look in the direction your vehicle will
move to ensure it is safe to change lanes.
Never rely solely on the BSW system.
The BSW system helps alert the driver of
other vehicles in adjacent lanes when chang-
ing lanes.
LSD3075
BLIND SPOT WARNING (BSW)
Starting and driving5-45

BSW SYSTEM LIMITATIONS
WARNING
Listed below are the system limitations for
the BSW system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
• The BSW system cannot detect all ve-
hicles under all conditions.
• The radar sensors may not be able to de-
tect and activate BSW when certain ob-
jects are present such as:
– Pedestrian, bicycles, animals.
– Vehicles such as motorcycles, low
height vehicles, or high ground clear-
ance vehicles.
– Oncoming vehicles.
– Vehicles remaining in the detection
zone when you accelerate from a
stop.
– A vehicle merging into an adjacent
lane at a speed approximately the
same as your vehicle.
– A vehicle approaching rapidly from
behind.
– A vehicle which your vehicle over-
takes rapidly. –
A vehicle that passes through the de-
tection zone quickly.
– When overtaking several vehicles in a
row, the vehicles after the first ve-
hicle may not be detected if they are
traveling close together.
• The radar sensors’ detection zone is de-
signed based on a standard lane width.
When driving in a wider lane, the radar
sensors may not detect vehicles in an ad-
jacent lane. When driving in a narrow
lane, the radar sensors may detect ve-
hicles driving two lanes away.
• The radar sensors are designed to ignore
most stationary objects; however, ob-
jects such as guardrails, walls, foliage
and parked vehicles may occasionally be
detected. This is a normal operation
condition.
• The following conditions may reduce the
ability of the radar to detect other ve-
hicles:
– Severe weather
– Road spray
– Ice/frost/snow/dirt build-up on the
vehicle •
Do not attach stickers (including trans-
parent material), install accessories or
apply additional paint near the radar
sensors. These conditions may reduce
the ability of the radar to detect other
vehicles.
• Excessive noise (for example, audio sys-
tem volume, open vehicle window) will
interfere with the chime sound, and it
may not be heard.
Starting and driving5-49

FCC Warning
Changes or modifications not expressly ap-
proved by the party responsible for compli-
ance could void the user’s authority to oper-
ate the equipment.
For Canada
Applicable law: Canada 310
This device complies with Industry Canada
licence-exempt RSS standard(s).
Operation is subject to the following two
conditions: (1) This device may not cause in-
terference, and (2) this device must accept
any interference, including interference that
may cause undesired operation of the device.
Frequency bands: 24.05–24.25GHz
Output power: less than 20 milliwatts
Radio frequency statement
(Type B) (if so equipped)
For USA
FCC: OAYSRR3B
This device complies with part 15 of the FCC
Rules.
Operation is subject to the following two
conditions: (1) this device may not cause
harmful interference, and (2) this device mustaccept any interference received, including
interference that may cause undesired
operation.
FCC Warning
Changes or modifications not expressly ap-
proved by the party responsible for compli-
ance could void the user’s authority to oper-
ate the equipment.
For Canada
Applicable law: Canada 310
This device contains licence-exempt
transmitter(s)/receiver(s) that comply with
Innovation, Science and Economic Develop-
ment Canada’s licence-exempt RSS(s).
Operation is subject to the following two
conditions: (1) This device may not cause in-
terference, and (2) This device must accept
any interference, including interference that
may cause undesired operation of the device.
Radio frequency radiation exposure informa-
tion: This equipment complies with radiation
exposure limits set forth for an uncontrolled
environment. This equipment should be in-
stalled and operated with minimum distance
of 20 cm between the radiator and your
body.
WARNING
Failure to follow the warnings and instruc-
tions for proper use of the BSI system could
result in serious injury or death.
• The BSI system is not a replacement for
proper driving procedure and is not de-
signed to prevent contact with vehicles
or objects. When changing lanes, always
use the side and rear mirrors and turn
and look in the direction you will move to
ensure it is safe to change lanes. Never
rely solely on the BSI system.
• There is a limitation to the detection ca-
pability of the radar or the sonar. Not
every moving object or vehicle will be de-
tected. Using the BSI system under some
road, ground, lane marker, traffic or
weather conditions could lead to im-
proper system operation. Always rely on
your own operation to avoid accidents.
The BSI system helps alert the driver of other
vehicles in adjacent lanes when changing
lanes and helps assist the driver to return the
vehicle to the center of the traveling lane.
BLIND SPOT INTERVENTION® (BSI)
(if so equipped)
5-54Starting and driving