2021 NISSAN SENTRA warning light

• Do not cover or attach stickers, or installany accessory near the sensors. This
could block sensor signals and/or cause
failure or malfunction.
• Do not attach metallic objects near the radar sensor (brush guard, etc.). This
could cause failure or malfunction.
• Do not place reflective materials, such as white paper or a mirror, on the instru-
ment panel. The reflection of sunlight
may adversely affect the camera unit's
detection capability.
• Do not alter, remove or paint the front bumper. Before customizing or restoring
the front bumper, it is recommended that
you visit a NISSAN dealer.
Radio frequency statement
For USA
FCC ID OAYARS4B
This device complies with Part 15 of the
FCC Rules. Operation is subject to the fol-
lowing two conditions:
1. This device may not cause harmful in-
terference, and
2. This device must accept any interfer-
ence received, including interference
that may cause undesired operation. FCC Warning
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s author-
ity to operate the equipment.
For Canada
Model: ARS4–B
IC: 4135A-ARS4B
FCC ID: OAYARS4B
This device complies with Part 15 of the
FCC Rules and with Industry Canada
licence-exempt RSS standard(s). Opera-
tion is subject to the following two con-
ditions:
1.
This device may not cause interfer-
ence, and
2. This device must accept any interfer-
ence received, including interference
that may cause undesired operation
of the device.
Le présent appareil est conforme aux
CNR d'Industrie Canada applicables aux
appareils radio exempts de licence.
L'exploitation est autorisée aux deux
conditions suivantes:
1. L'appareil ne doit pas produire de
brouillage, et 2.
L'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi,
même si le brouillage est susceptible
d'en compromettre le fonctionnement.
Radio frequency radiation exposure in-
formation:
This equipment complies with FCC and IC
radiation exposure limits set forth for an
uncontrolled environment.
This equipment should be installed and
operated with minimum distance of 30
cm between the radiator and your body.
This transmitter must not be co-located
or operating in conjunction with any
other antenna or transmitter.
Cet équipement est conforme aux limites
d'exposition aux rayonnements IC établies
pour un environnement non contrôlé.
Cet équipement doit être installé et
utilisé avec un minimum de 30 cm de
distance entre la source de rayonnement
et votre corps.
FCC Notice
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s author-
ity to operate the equipment.
Starting and driving5-91

1. Vehicle ahead detection indicator
2. AEB with Pedestrian Detection systemwarning light
LSD3797
For vehicles with the 7 inch meter display
Starting and driving5-93

TURNING THE I-FCW SYSTEM
ON/OFF
Perform the following steps to turn the
I-FCW system ON or OFF.
1. Press the
button until “Settings” dis-
plays in the vehicle information display.
Use the
button to select “Driver As-
sistance.” Then press the OK button.
2. Select “Emergency Brake” and press the OK button.
3. Select “Front” and press the OK button to turn the system on or off.
When the I-FCW system is turned off, the
AEB with Pedestrian Detection system
warning light illuminates.
NOTE:
• The I-FCW system will be automatically turned on when the engine is re-
started.
• The I-FCW system is integrated into the AEB with Pedestrian Detection system.
There is not a separate selection in the
vehicle information display for the
I-FCW system. When the AEB with Pe-
destrian Detection system is turned
off, the I-FCW system is also turned off.

SYSTEM TEMPORARILY
UNAVAILABLE
Condition A
When the radar sensor picks up interfer-
ence from another radar source, making it
impossible to detect a vehicle ahead, the
I-FCW system is automatically turned off.
The AEB with Pedestrian Detection system
warning light (orange) will illuminate.
Action to take
When the above conditions no longer exist,
the I-FCW system will resume automati-
cally.
Condition B
When the radar sensor of the front bumper
is covered with dirt or is obstructed, the
I-FCW system will automatically be can-
celed. The chime will sound and the “Un-
available: Front Radar Obstruction” warn-
ing message will appear in the vehicle
information display.
LSD3795
For vehicles with the 7 inch meter display

Action to take:
If the warning message appears, stop the
vehicle in a safe place, place the shif t lever
in the P (Park) position, and turn the engine
off. When the radar signal is temporarily
interrupted, clean the sensor area of the
front bumper and restart the engine. If the
“Unavailable: Front Radar Obstruction”
warning message continues to be dis-
played, have the system checked. It is rec-
ommended that you visit a NISSAN dealer
for this service.
Condition C
When driving on roads with limited road
structures or buildings (for example, long
bridges, deserts, snowfields, driving next to
long walls), the system may illuminate the
system warning light and display the “Un-
available: Front Radar Obstruction” mes-
sage.
Action to take:
When the above driving conditions no lon-
ger exist, turn the system back on.
NOTE:
If the AEB with Pedestrian Detection sys-
tem stops working, the I-FCW system will
also stop working.
Starting and driving5-103

SYSTEM MALFUNCTION
If the I-FCW system malfunctions, it will be
turned off automatically, a chime will
sound, the AEB with Pedestrian Detection
system warning light (orange) will illumi-
nate and the warning message [Malfunc-
tion] will appear in the vehicle information
display.
Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe location, turn the en-
gine off and restart the engine. If the warn-
ing light continues to illuminate, have the
I-FCW system checked. It is recommended
that you visit a NISSAN dealer for this ser-
vice.
SYSTEM MAINTENANCE
The sensorO1is located on the front of the
vehicle.
To keep the system operating properly, 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 restoring
the front bumper, it is recommended that
you visit a NISSAN dealer.
FCC Notice
For USA
This device complies with Part 15 of the
FCC Rules. Operation is subject to the fol-
lowing two conditions:
1. This device may not cause harmful in-
terference, and
2. This device must accept any interfer-
ence received, including interference
that may cause undesired operation.
FCC Warning
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s author-
ity to operate the equipment.
5-104Starting and driving

BRAKE ASSIST
When the force applied to the brake pedal
exceeds a certain level, the Brake Assist is
activated generating greater braking force
than a conventional brake booster even
with light pedal force.indicator light in the instrument panel
flashes to note the following:
• The road may be slippery or the systemmay determine some action is required
to help keep the vehicle on the steered
path.
• You may feel a pulsation in the brake pedal and hear a noise or vibration from
under the hood. This is normal and indi-
cates that the VDC system is working
properly.
• Adjust your speed and driving to the road conditions.
For additional information, refer to “Slip in-
dicator light” and ”Vehicle Dynamic Control
(VDC) OFF indicator light” in the ”Instru-
ments and controls” section of this manual.
If a malfunction occurs in the system, the
indicator light comes on in the instru-
ment panel. The VDC system automatically
turns off when the indicator light is off.
The vehicle information display is used to
turn off the VDC system. The
indicator
light and the AEB system warning light illu-
minates to indicate the VDC system is off.
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
5-116Starting and driving

Push the switch on to warn other drivers
when you must stop or park under emer-
gency conditions. All turn signal lights flash.
LIC0394
HAZARD WARNING FLASHER SWITCHEMERGENCY ENGINE SHUT OFF