Infiniti QX80/QX (2017 year). Manual — part 28
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
5-92
Starting and driving
ing by the vehicle ahead or when a
vehicle suddenly appears in front of you.
Always stay alert when using the DCA
system.
.
If the vehicle ahead comes to a stop, the
vehicle decelerates to a standstill within
the limitations of the system. The
system will cancel with a warning chime
once it judges that the vehicle has come
to a standstill. To prevent the vehicle
from moving, the driver must depress
the brake pedal.
JVS0472X
The DCA system is intended to assist the
driver in keeping a following distance from
the vehicle ahead traveling in the same
lane and direction.
If the radar sensor
*
A
detects a slower
moving vehicle ahead, the system will
reduce the vehicle speed to help assist
the driver to maintain a following distance.
The system automatically controls the
throttle and applies the brakes (up to
approximately 40% of vehicle braking
power) if necessary.
The detection range of the sensor is
approximately 650 ft (200 m) ahead.
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
JVS0662X
*
1
Indicators (on the vehicle information
display)
*
2
Center display
*
3
Dynamic driver assistance switch
*
4
Center multi-function control panel
DCA SYSTEM OPERATION
WARNING
Failure to follow the warnings and instruc-
tions for proper use of the DCA system could
result in serious personal injury or death.
.
When the vehicle ahead detection in-
dicator light is not illuminated, system
will not control the vehicle or warn the
driver.
.
Never place your foot under the brake
pedal. Your foot may be caught when the
system controls the brake.
.
Depending on the position of the accel-
erator pedal, the system may not be able
to assist the driver to release the
accelerator pedal appropriately.
The DCA system brakes and moves the
accelerator pedal upward according to the
distance from and the relative speed of the
vehicle ahead to help assist the driver in
maintaining a following distance. The
system will decelerate as necessary and if
the vehicle ahead comes to a stop, the
vehicle decelerates to a standstill. How-
ever, the DCA system can only apply up to
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
5-94
Starting and driving
approximately 40% of the vehicle’s total
braking power. If a vehicle moves into the
traveling lane ahead or if a vehicle travel-
ing ahead rapidly decelerates, the distance
between vehicles may become closer
because the DCA system cannot decelerate
the vehicle quickly enough. If this occurs,
the DCA system will sound a warning chime
and blink the system display to notify the
driver to take necessary action.
See “Approach warning” (P.5-95).
SSD0997
*
1
System set display with a vehicle
ahead
*
2
System set display without a vehicle
ahead
The DCA system helps assist the driver to
keep a following distance to the vehicle
ahead by braking and moving the accel-
erator pedal upward in the normal driving
condition.
When a vehicle ahead is detected:
The vehicle ahead detection indicator
comes on.
When the vehicle approaches a vehicle
ahead:
.
If the driver’s foot is not on the
accelerator pedal, the system activates
the brakes to decelerate smoothly as
necessary. If the vehicle ahead comes
to a stop, the vehicle decelerates to a
standstill within the limitations of the
system.
.
If the driver’s foot is on the accelerator
pedal, the system moves the accelera-
tor pedal upward to assist the driver to
release the accelerator pedal.
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
When brake operation by the driver is
required:
The system alerts the driver by a warning
chime and blinking the vehicle ahead
detection indicator. If the driver’s foot is
on the accelerator pedal after the warning,
the system moves the accelerator pedal
upward to assist the driver to switch to the
brake pedal.
NOTE:
.
The stop lights of the vehicle come on
when braking is performed by the DCA
system.
.
When the brake operates, a noise may
be heard and/or vibration may be felt.
This is not a malfunction.
Overriding the system:
The following driver’s operation overrides
the system operation.
.
When the driver depresses the accel-
erator pedal even further while the
system is moving the accelerator pedal
upward, the DCA system control of the
accelerator pedal is canceled.
.
When the driver’s foot is on the accel-
erator pedal, the brake control by the
system is not operated.
.
When the driver’s foot is on the brake
pedal, neither the brake control nor the
alert by the system operates.
.
When the Intelligent Cruise Control (ICC)
system is set, the DCA system will be
cancelled.
Approach warning
If your vehicle comes closer to the vehicle
ahead due to rapid deceleration of that
vehicle or if another vehicle cuts in, the
system warns the driver with the chime and
DCA system display. Decelerate by depres-
sing the brake pedal to maintain a safe
vehicle distance if:
.
The chime sounds.
.
The vehicle ahead detection indicator
blinks.
The warning chime may not sound in some
cases when there is a short distance
between vehicles. Some examples are:
.
When the vehicles are traveling at the
same speed and the distance between
vehicles is not changing
.
When the vehicle ahead is traveling
faster and the distance between vehi-
cles is increasing
.
When a vehicle cuts in near your vehicle
The warning chime will not sound when
your vehicle approaches vehicles that are
parked or moving slowly.
NOTE:
The approach warning chime may sound
and the system display may blink when
the radar sensor detects objects on the
side of the vehicle or on the side of the
road. This may cause the DCA system to
decelerate or accelerate the vehicle. The
radar sensor may detect these objects
when the vehicle is driven on winding
roads, narrow roads, hilly roads or when
entering or exiting a curve. In these cases
you will have to manually control the
proper distance ahead of your vehicle.
Also, the sensor sensitivity can be affected
by vehicle operation (steering maneuver or
driving position in the lane) or traffic or
vehicle condition (for example, if a vehicle
is being driven with some damage).
Starting and driving
5-95
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
5-96
Starting and driving
JVS0663X
*
1
DCA system switch indicator (on the
vehicle information display)
*
2
Center display
*
3
Dynamic driver assistance switch
*
4
Center multi-function control panel
TURNING THE DCA SYSTEM ON/OFF
To turn on the DCA system, push the
dynamic driver assistance switch
*
3
on
the steering wheel after starting the
engine. The DCA system switch indicator
*
1
in the vehicle information display will
appear. Push the dynamic driver assis-
tance switch
*
3
again to turn off the DCA
system. The DCA system switch indicator
*
1
will turn off.
The system will start to operate after the
vehicle speed is above approximately 3
MPH (5 km/h).
The dynamic driver assistance switch
*
3
is
used for both the Lane Departure Preven-
tion (LDP) and DCA systems. When the
dynamic driver assistance switch
*
3
is
pushed, the LDP system will also turn on or
off simultaneously. The DCA system can be
individually set to on or off on the center
display
*
2
and using the center multi-
function control panel
*
4
. If the system is
set to off, the system will not turn on even
if the dynamic driver assistance switch
*
3
is pushed to on. To set the system to on or
off on the display, see “How to enable/
disable the DCA system” (P.5-97).
When the Conventional (fixed speed) cruise
control mode is operating, the DCA system
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
will not operate. (To use the DCA system,
turn the Conventional (fixed speed) cruise
control mode off, then push the dynamic
driver assistance switch
*
3
.)
For details about the Conventional (fixed
speed) cruise control mode, see “Intelli-
gent Cruise Control (ICC)” (P.5-69).
When the engine is turned off, the system
is automatically turned off.
SSD0959
SSD1102
HOW TO ENABLE/DISABLE THE DCA
SYSTEM
Perform the following steps to enable or
disable the DCA system.
1. Push the SETTING button
*
1
and high-
light the “Driver Assistance” key on the
display using the INFINITI controller.
Then push the ENTER button
*
2
.
2. Highlight the “Dynamic Assistance Set-
tings” key, and push the ENTER button
*
2
.
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
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SSD1002
3. Highlight the “Distance Control Assist”
key, select ON (enabled) or OFF (dis-
abled) and push the ENTER button
*
2
.
For the Lane Departure Prevention (LDP)
and Blind Spot Intervention (BSI) systems,
see “Lane Departure Warning (LDW)/Lane
Departure Prevention (LDP) ” (P.5-23) and
“Blind Spot Warning (BSW)” (P.5-33).
SSD0994
DCA SYSTEM DISPLAY AND INDICA-
TORS
The display is located between the speed-
ometer and tachometer.
1. DCA system switch indicator:
Indicates that the dynamic driver assis-
tance switch is ON.
2. Vehicle ahead detection indicator:
Indicates whether it detects a vehicle in
front of you.
3. DCA system warning light (orange):
The light comes on if there is a
malfunction in the DCA system.
DCA SYSTEM LIMITATIONS
WARNING
Listed below are the system limitations of
the DCA system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
.
This system will not adapt automatically
to road conditions. Do not use the
system on roads with sharp curves, or
on icy roads, in heavy rain or in fog.
.
The DCA system will not apply brake
control while the driver’s foot is on the
accelerator pedal.
.
As there is a performance limit to the
distance control function, never rely
solely on the DCA system. This system
does not correct careless, inattentive or
absent-minded driving, or overcome
poor visibility in rain, fog, or other bad
weather. Decelerate the vehicle speed by
depressing the brake pedal, depending
on the distance to the vehicle ahead and
the surrounding circumstances in order
to maintain a safe distance between
vehicles.
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
.
The system may not detect the vehicle in
front of you in certain road or weather
conditions. To avoid accidents, never use
the DCA system under the following
conditions:
— On roads with sharp curves
— On slippery road surfaces such as
on ice or snow, etc.
— On off-road surfaces such as on
sand or rock, etc.
— During bad weather (rain, fog, snow,
etc.)
— When rain, snow or dirt adhere to
the system sensor
— On steep downhill roads (frequent
braking may result in overheating
the brakes)
— On repeated uphill and downhill
roads
— When towing a trailer or other
vehicle
.
In some road or traffic conditions, a
vehicle or object can unexpectedly come
into the sensor detection zone and cause
automatic braking. You may need to
control the distance from other vehicles
using the accelerator pedal. Always stay
alert and avoid using the DCA system
when it is not recommended in this
section.
The radar sensor will not detect the
following objects:
.
Stationary and slow moving vehicles
.
Pedestrians or objects in the roadway
.
Oncoming vehicles in the same lane
.
Motorcycles traveling offset in the travel
lane
The following are some conditions in which
the sensor cannot detect the signals:
.
When the snow or road spray from
traveling vehicles reduces the sensor’s
visibility
.
When excessively heavy baggage is
loaded in the rear seat or the luggage
room of your vehicle
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Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
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Starting and driving
SSD0252
The detection zone of the sensor is limited.
A vehicle ahead must be in the detection
zone for the system to operate.
A vehicle ahead may move outside of the
detection zone due to its position within
the same lane of travel. Motorcycles may
not be detected in the same lane ahead if
they are traveling offset from the centerline
of the lane. A vehicle that is entering the
lane ahead may not be detected until the
vehicle has completely moved into the
lane. If this occurs, the system may warn
you by blinking the system indicator and
sounding the chime. The driver may have
to manually control the proper distance
away from vehicle traveling ahead.
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
SSD0253
When driving on some roads, such as
winding, hilly, curved, narrow roads, or
roads which are under construction, the
sensor may detect vehicles in a different
lane, or may temporarily not detect a
vehicle traveling ahead. This may cause
the system to work inappropriately.
The detection of vehicles may also be
affected by vehicle operation (steering
maneuver or traveling position in the lane,
etc.) or vehicle condition. If this occurs, the
system may warn you by blinking the
system indicator and sounding the chime
unexpectedly. You will have to manually
control the proper distance away from the
vehicle traveling ahead.
Starting and driving
5-101
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
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Starting and driving
JVS0664X
*
1
Warning light and indicators
*
2
Dynamic driver assistance switch
SSD0996
SYSTEM TEMPORARILY UNAVAIL-
ABLE
Condition A:
Under the following conditions, the DCA
system is automatically canceled. The
chime will sound and the DCA system
switch indicator will blink. The system will
not be able to be set.
.
When the VDC system is off (To use the
DCA system, turn on the VDC, then
push the dynamic driver assistance
switch.)
For details about the VDC system, see
“Vehicle Dynamic Control (VDC) sys-
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
tem” (P.5-137).
.
When the VDC or ABS (including the
traction control system) operates
.
When the SNOW mode switch is ON (To
use the DCA system, turn off the SNOW
mode switch, then turn on the dynamic
driver assistance switch
*
2
.)
For details about the SNOW mode
switch, see “SNOW mode switch” (P.2-
51).
.
When the 4WD shift switch is in the 4H
or 4L position (for 4WD models)
.
When the radar signal is temporarily
interrupted
Action to take:
When the conditions listed above are no
longer present, turn the system off with the
dynamic driver assistance switch
*
2
. Turn
the DCA system back on to use the system.
JVS0482X
Condition B:
When the radar sensor area is covered with
dirt or is obstructed, making it impossible
to detect a vehicle ahead, the DCA system
is automatically canceled.
The chime sounds and the DCA system
warning light (orange) will come on and the
“FRONT RADAR OBSTRUCTION” warning
will appear.
Action to take:
If the warning light comes on, park the
vehicle in a safe place, place the shift lever
in the P (Park) position and turn the engine
off. When the radar signal is temporarily
interrupted, clean the sensor area and
restart the engine. If the “FRONT RADAR
OBSTRUCTION” warning continues to be
displayed, have the DCA system checked. It
is recommended you visit an INFINITI
retailer for this service.
Starting and driving
5-103
Condition:
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Starting and driving
SSD0999
SYSTEM MALFUNCTION
Condition:
When the DCA system is not operating
properly, the chime sounds and the system
warning light (“CRUISE” orange) will come
on.
Action to take:
If the warning light comes on, park the
vehicle in a safe place. Turn the engine off,
restart the engine, and turn on the DCA
system again.
If it is not possible to set the system or the
indicator stays on, it may indicate that the
system is malfunctioning. Although the
vehicle is still driveable under normal
conditions, have the vehicle checked. It
is recommended you visit an INFINITI
retailer for this service.
JVS0472X
SENSOR MAINTENANCE
The sensor for the DCA system
*
A
is
located below the front bumper.
The DCA system is designed to automati-
cally check the sensor’s operation. When
the sensor is covered with dirt or is
obstructed, the system will automatically
be canceled. If the sensor is covered with
ice, a transparent or translucent vinyl bag,
etc., the DCA system may not detect them.
In these instances, the DCA system may
not be able to decelerate the vehicle
properly. Be sure to check and clean the
sensor regularly.
Condition:
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To keep the DCA system operating prop-
erly, be sure to observe the following:
.
Always keep the sensor area of the front
bumper clean.
.
Do not strike or damage the areas
around the sensor.
.
Do not cover or attach stickers or similar
objects on the front bumper near the
sensor area. This could cause failure or
malfunction.
.
Do not attach metallic objects near the
sensor area (brush guard, etc.). This
could cause failure or malfunction.
.
Do not alter, remove or paint the front
bumper. Before customizing or restor-
ing the front bumper, it is recom-
mended you contact an INFINITI retailer.
Radio frequency statement
For USA:
FCC ID: OAYARS3-B
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 must accept any interfer-
ence received, including interference
that may cause undesired operation.
FCC Warning
Changes or modification not expressly
approved by the party responsible for
compliance could void the user’s authority
to operate the equipment.
For Canada:
This device complies with Industry Canada
licence-exempt RSS standard(s). Opera-
tion is subject to the following two
conditions:
1. This device may not cause interference,
and
2. This device must accept any interfer-
ence, including interference that may
cause undesired operation of the de-
vice.
WARNING
Failure to follow the warnings and instruc-
tions for proper use of the FEB with
pedestrian detection system could result in
serious injury or death.
.
The FEB with pedestrian detection sys-
tem is a supplemental aid to the driver. It
is not a replacement for the driver’s
attention to traffic conditions or respon-
sibility to drive safely. It cannot prevent
accidents due to carelessness or danger-
ous driving techniques.
.
The FEB with pedestrian detection sys-
tem does not function in all driving,
traffic, weather and road conditions.
The FEB with pedestrian detection system
can assist the driver when there is a risk of
a forward collision with the vehicle ahead
in the traveling lane or with a pedestrian.
Starting and driving
5-105
FORWARD EMERGENCY BRAKING (FEB)
WITH PEDESTRIAN DETECTION (if so
equipped)
Condition:
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5-106
Starting and driving
JVS0916X
The FEB with pedestrian detection system
uses a radar sensor
*
A
located behind the
grille of the front bumper to measure the
distance to the vehicle ahead in the same
lane.
For pedestrians, the FEB system uses a
camera
*
B
installed behind the windshield
in addition to the radar sensor.
JVS0670X
*
1
Indicators and warnings (on the vehi-
cle information display)
*
2
Center display
*
3
FEB system warning light (on the
instrument panel)
*
4
Center multi-function control panel
Condition:
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Model: 2017MY INFINITI QX80(Z62) OM17E00Z62U0 ]
FEB WITH PEDESTRIAN DETECTION
SYSTEM OPERATION
The FEB with pedestrian detection system
operates at speeds above approximately 3
MPH (5 km/h).
For the pedestrian detection function, the
FEB with pedestrian detection system
operates at speeds between 6 – 37 MPH
(10 – 60 km/h).
If a risk of a forward collision with a vehicle
is detected, the FEB with pedestrian
detection system will firstly provide the
warning to the driver by illuminating the
warning in the vehicle information display
and providing an audible alert. In addition,
the FEB with pedestrian detection system
pushes the accelerator pedal up. If the
driver releases the accelerator pedal, then
the system applies partial braking. If the
driver applies the brakes quickly and
forcefully, but the FEB with pedestrian
detection system detects that there is still
the possibility of a forward collision, the
system will automatically increase the
braking force.
If the risk of a forward collision becomes
imminent and the driver does not take
action, the FEB with pedestrian detection
system issues the second visual (flashing)
and audible alert, and then automatically
applies harder braking.
If a risk of a forward impact with a
pedestrian is detected, the FEB with
pedestrian detection system issues the
second visual (flashing) and audible alert ,
and the system will apply partial braking. If
the driver applies the brakes quickly and
forcefully but the FEB with pedestrian
detection system detects that there is still
the possibility of a forward impact with a
pedestrian, the system will automatically
increase the braking force. If the risk of
collision becomes imminent and the driver
does not take action, the FEB with pedes-
trian detection system automatically ap-
plies harder braking.
NOTE:
The vehicle’s stop lights come on when
braking is performed by the FEB with
pedestrian detection system.
Depending on vehicle speed and distance
to the vehicle or pedestrian ahead, as well
as driving and roadway conditions, the
system may help the driver avoid a forward
collision or may help mitigate the conse-
quences of a collision should one be
unavoidable.
If the driver is handling the steering wheel,
accelerating or braking, the FEB with
pedestrian detection system will function
later or will not function.
The automatic braking will cease under the
following conditions:
.
When the steering wheel is turned as far
as necessary to avoid a collision.
.
When the accelerator pedal is de-
pressed.
.
When there is no longer a vehicle or
pedestrian detected ahead.
If the FEB with pedestrian detection system
has stopped the vehicle, the vehicle will
remain at a standstill for approximately 2
seconds before the brakes are released.
Starting and driving
5-107
Condition:
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