2021 INFINITI QX50 warning light

DCA SYSTEM OPERATION
1. Vehicle information display
2. Lower display buttons3. ProPILOT Assist switch
4. DCA ON indicator
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 indi-
cator light is not illuminated, the 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 accel-
erator pedal appropriately.
The DCA system brakes and moves the ac-
celerator pedal upward according to the dis-
tance from and the relative speed of the ve-
hicle 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 deceler-
ates to a standstill. However, the DCA sys-
tem can only apply up to approximately 40%
of the vehicle’s total braking power. If a ve-
hicle moves into the traveling lane ahead or if
a vehicle traveling ahead rapidly decelerates,
the distance between vehicles may become
LSD3897
5-108Starting and driving

closer because the DCA system cannot de-
celerate 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. For addi-
tional information, see “Approach warning”
(P. 5-110).The DCA system helps assist the driver to
keep a following distance to the vehicle
ahead by braking and moving the accelerator
pedal upward in the normal driving condition.
When a vehicle is detected ahead:
The vehicle ahead detection indicator comes
on.
When vehicle approaches a vehicle ahead:
• If the driver’s foot is not on the acceleratorpedal, 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 limita-
tions of the system. • If the driver’s foot is on the accelerator
pedal, the system moves the accelerator
pedal upward to assist the driver to release
the accelerator pedal.
When brake operation by driver is required:
The system alerts the driver by a warning
chime and blinking the vehicle ahead detec-
tion indicator. If the driver’s foot is on the
accelerator pedal after the warning, the sys-
tem 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. This is not a malfunction.
Overriding the system:
The following driver’s operations override the
system operation:
• When the driver depresses the accelerator pedal even further while the system is mov-
ing the accelerator pedal upward, the DCA
system control of the accelerator pedal is
canceled.
• When the driver’s foot is on the accelerator pedal, the brake control by the system is
not operated.LSD2991
Starting and driving5-109

For additional information about the VDC
system, see “Vehicle Dynamic Control
(VDC) system” (P. 5-154).
• When ABS or VDC (including the TCS) is operating
• When the radar signal is temporarily interrupted
Action to take:
When the conditions listed above are no lon-
ger present, turn the system off with ProPI-
LOT Assist switch on the steering wheel.
Turn the DCA system back on to use the
system.
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
“Unavailable: Front Radar Blocked” warning
will appear.
Action to take:
If the warning light comes on, park the vehicle
in a safe place, press the park button to place
the vehicle in the P (Park) position and turn
the engine off. When the radar signal is tem-porarily interrupted, clean the sensor area
and restart the engine. If the “Unavailable:
Front Radar Blocked” warning continues to
be displayed, have the DCA system checked.
It is recommended you visit and INFINITI
retailer for this service.
When driving on roads with limited road
structures or buildings (for example, long
bridges, deserts, snow fields, driving next to
long walls) the system may illuminate the sys-
tem warning light (orange) and display the
“Unavailable Front Radar Blocked” message.
Action to take:
When the above conditions no longer exist,
the DCA system will resume automatically.
Condition C:
When the DCA system is not operating prop-
erly, the chime sounds, the DCA system
warning light (orange) and the system “Mal-
function” warning message will appear in the
vehicle information display.
Action to take:
If the DCA system warning light (orange) and
the warning message appear, stop the ve-
hicle in a safe place and place the vehicle in
the P (Park) position. Turn the engine off,
restart the engine, and turn on the DCA sys-
tem again.
LSD2992
5-116Starting and driving

RAB SYSTEM OPERATION
1RAB system warning light and RAB sys-
tem warning indicator
2Lower display buttons
3Center display (if so equipped) When the shift lever is in the R (Reverse)
position and the vehicle speed is less than
approximately 9 mph (15 km/h), the RAB
system operates.
If a risk of a collision with an obstacle is
detected when your vehicle is backing up, the
RAB system warning indicator will flash in the
vehicle information display, a red frame will
appear in the center display (for vehicles with
the Around View® Monitor system), and the
system will chime three times. The system will
then automatically apply the brakes. After
the automatic brake application, the driver
must depress the brake pedal to maintain
brake pressure.
NOTE:
• The brake lights of the vehicle come on
when braking is performed by the RAB
system.
• When the brakes operate, a noise may be heard. This is not a malfunction.
LSD3561
Starting and driving5-119

TURNING THE RAB SYSTEM
ON/OFFPerform the following steps to turn the RAB
system ON or OFF.1. Press the MENU button below the lower
display screen.
2. Select “Driver Assistance.”
3. Select “Emergency Assist.”
4. Select “ON” to turn the “Backward” sys- tem on or off.
When the RAB system is turned off, the RAB
system warning light illuminates.
NOTE:
The RAB system will be automatically
turned on when the engine is restarted.
RAB SYSTEM LIMITATIONS
WARNING
Listed below are the system limitations for
the RAB system. Failure to follow the
warnings and instructions for proper use of
the RAB system could result in serious in-
jury or death.
LSD3610
5-120Starting and driving

–Snow chains are used.
– Wheels or tires other than INFINITI
recommended are used.
– The brakes are cold at low ambient
temperatures or immediately after
driving has started.
– The braking force becomes poor due
to wet brakes after driving through a
puddle or washing the vehicle.
• Turn the RAB system off in the following
conditions to prevent the occurrence of
an unexpected accident resulting from
sudden system operation:
– The vehicle is towed.
– The vehicle is carried on a flatbed
truck.
– The vehicle is on the chassis
dynamometer.
– The vehicle drives on an uneven road
surface.
– Suspension parts other than those
designated as Genuine INFINITI
parts are used. (If the vehicle height
or the vehicle body inclination is
changed, the system may not detect
an obstacle correctly.)
– The vehicle is towing an object (if so
equipped). •
Excessive noise (e.g., audio system vol-
ume, an open vehicle window) will inter-
fere with the chime sound, and it may not
be heard.
SYSTEM MALFUNCTION
If the RAB system malfunctions, it will be
turned off automatically, the RAB system
warning light will illuminate, and the “System
fault” warning message will appear in the
vehicle information display.
Action to take
If the warning light illuminates, park the ve-
hicle in a safe location, turn the engine off,
and restart the engine. If the warning light
continues to illuminate, have the RAB system
checked. It is recommended that you visit an
INFINITI retailer for this service.
NOTE:
If the RAB system cannot be operated tem-
porarily, the RAB system warning light
blinks.
SYSTEM MAINTENANCE
Observe the following items to ensure proper
operation of the system:
• Always keep the parking sensors
O1clean.
• If the parking sensors are dirty, wipe them off with a soft cloth while being careful to
not damage them.
• Do not subject the area around the parking sensors
O1to strong impact. Also, do not
remove or disassemble the parking sensors.
If the parking sensors and peripheral areas
are deformed in an accident, etc., have the
sensors checked. It is recommended that
you visit an INFINITI retailer for this service.
LSD3559
5-122Starting and driving

SYSTEM OPERATION1. Vehicle ahead detection indicator
2. FEB with Pedestrian Detection emer-gency warning indicator 3. FEB with Pedestrian Detection system
warning light
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 is detected, the
FEB with Pedestrian Detection system will
firstly provide the warning to the driver by
flashing the vehicle ahead detection indicator
(yellow) in the vehicle information display and
providing an audible alert. If the driver applies
the brakes quickly and forcefully after the
warning, and the FEB with Pedestrian De-
tection system detects that there is still the
possibility of a forward collision, the system
will automatically increase the braking force.
If the driver does not take action, the FEB
with Pedestrian Detection system issues the
second visual (flashing) (red and white) and
audible warning. If the driver releases the
accelerator pedal, then the system applies
partial braking. If the risk of a collision be-
comes imminent, the FEB with Pedestrian
Detection system applies harder braking
automatically.
LSD3919
5-124Starting and driving

TURNING THE FEB WITH
PEDESTRIAN DETECTION
SYSTEM ON/OFFPerform the following steps to enable or dis-
able the FEB with Pedestrian Detection
system.1. Press the MENU button below the lower
display screen.
2. Select “Driver Assistance.”
3. Select “Emergency Assist.”
4. Select “ON” to turn the “Forward” system on or off.
When the FEB with Pedestrian Detection
system is turned off, the FEB with Pedestrian
Detection system warning light illuminates.
NOTE:
• The FEB with Pedestrian Detection sys- tem will be automatically turned on when
the engine is restarted.
• The Predictive Forward Collision Warning (PFCW) system (if so equipped) is inte-
grated into the FEB with Pedestrian De-
tection system. There is not a separate se-
lection in the lower display for the PFCW
system. When the FEB with Pedestrian
Detection is turned off, the PFCW system
is also turned off.
LSD3610
5-126Starting and driving