2021 INFINITI QX50 Owner's Manual

PFCW SYSTEM OPERATION
The PFCW system operates at speeds above
approximately 3 mph (5 km/h).
If there is a potential risk of a forward colli-
sion, the PFCW system will warn the driver
by blinking the vehicle ahead detection indi-
cator, and sounding an audible alert.
LSD2263
Starting and driving5-135

TURNING THE PFCW SYSTEM
ON/OFFPerform the following steps to turn the
PFCW 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 “Forward” system on or off.
When the PFCW system is turned off, the
FEB with Pedestrian Detection system warn-
ing light illuminates.
NOTE:
• The PFCW system will be automatically turned on when the engine is restarted.
• The 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
5-136Starting and driving

PFCW SYSTEM LIMITATIONS
LSD2312
Illustration A
Starting and driving5-137

WARNING
Listed below are the system limitations for
the PFCW system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
• The PFCW system cannot detect all ve-
hicles under all conditions.
• The radar sensor does not detect the fol-
lowing objects: –
Pedestrians, animals or obstacles in
the roadway
– Oncoming vehicles
– Crossing vehicles
• (Illustration A) The PFCW system does
not function when a vehicle ahead is a
narrow vehicle, such as a motorcycle.
• The radar sensor may not detect a ve-
hicle ahead in the following conditions:
– Snow or heavy rain.
– Dirt, ice, snow or other material cov-
ering the radar sensor.
– Interference by other radar sources. –
Snow or road spray from traveling
vehicles.
– Driving in a tunnel.
– (Illustration B) When the vehicle
ahead is being towed.
– (Illustration C) When the distance to
the vehicle ahead is too close, the
beam of the radar sensor is
obstructed.
– (Illustration D) When driving on a
steep downhill slope or roads with
sharp curves.
LSD2265
Illustration B
5-138Starting and driving

•The system is designed to automatically
check the sensor’s functionality, within
certain limitations. The system may not
detect some forms of obstruction of the
sensor area such as ice, snow, stickers,
etc. In these cases, the system may not
be able to warn the driver properly. Be
sure that you check, clean and clear the
sensor area regularly.
• Excessive noise will interfere with the
warning chime sound, and the chime may
not be heard.
Starting and driving5-139

LSD2266
Illustration C
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LSD2313
Illustration D
Starting and driving5-141

SYSTEM TEMPORARILY
UNAVAILABLECondition A
When the radar sensor picks up interference
from another radar source, making it impos-sible to detect a vehicle ahead, the PFCW
system is automatically turned off.
The FEB with Pedestrian Detection system
warning light (orange) will illuminate.
Action to take
When the above conditions no longer exist,
the PFCW system will resume automatically.
Condition B
When the sensor area of the front bumper is
covered with dirt or is obstructed, making it
impossible to detect a vehicle ahead, the
PFCW system is automatically turned off.
The FEB with Pedestrian Detection system
warning light (orange) will illuminate and the
“Unavailable: Front Radar Blocked” warning
message will appear in the vehicle informa-
tion display.
Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe place, press the Park
button to place the vehicle in the P (Park)
position and turn the engine off. Clean the
radar cover on the lower grille with a soft
cloth, and restart the engine. If the warning
light continues to illuminate, have the PFCW
system checked. It is recommended that you
visit an INFINITI retailer for this service.
LSD3920
5-142Starting and driving