check engine light NISSAN SENTRA 2021 Owner's Manual

Action to take
When the conditions listed above are no
longer present, turn the system off using
the ICC switch. Turn the ICC system back on
to use the system.
Condition B
When the radar sensor area of the front
bumper is covered with dirt or is ob-
structed, the ICC system will automatically
be canceled. If the sensor area is covered
with ice, a transparent or translucent vinyl
bag, etc., the ICC system may not detect
vehicles ahead. In these instances, the ICC
system may not cancel and may not be
able to maintain the selected following dis-
tance from the vehicle ahead. Be sure to
check and clean the sensor area.
The system warning light (orange) will illu-
minate and the “Unavailable: Front Radar
Obstruction” warning message will appear
in the vehicle information display.
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
system warning light (orange) and display
the “Unavailable: Front Radar Obstruction”
message.Action to take
If the warning light (orange) comes on, park
the vehicle in a safe location and turn the
engine off. Check to see if the radar sensor
window is blocked. If the radar sensor win-
dow is blocked, remove the blocking mate-
rial. Restart the engine. If the warning light
continues to illuminate, have the ICC sys-
tem checked. It is recommended that you
visit a NISSAN dealer for this service.
Condition C
When the ICC system is not operating
properly, a chime sounds and the system
warning light (orange) will come on.Action to take
If the warning light comes on, park the ve-
hicle in a safe place. Turn the engine off,
restart the engine, resume driving and set
the ICC system again.
If it is not possible to set the system or
the indicator stays on, it may indicate
that the system is malfunctioning. Al-
though the vehicle is still drivable under
normal conditions, have the vehicle
checked. It is recommended that you
visit a NISSAN dealer for this service.
LSD2395
5-72Starting and driving

TURNING THE RAB SYSTEM
ON/OFF
Perform the following steps to turn the RAB
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. To set the RAB system to on or off, use the OK button to check the box for “Rear.”
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
Starting and driving5-77

–Suspension parts other than
those designated as Genuine
NISSAN parts are used. (If the ve-
hicle height or the vehicle body in-
clination is changed, the system
may not detect an obstacle
correctly.)
• Excessive noise (e.g., audio system
volume, an open vehicle window) will
interfere 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 “Sys-
tem 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 sys-
tem checked. It is recommended that you
visit a NISSAN dealer for this service.
NOTE:
If the RAB system cannot be operated
temporarily, the RAB system warning
light blinks.
SYSTEM MAINTENANCE
Observe the following items to ensure
proper operation of the system:
• Always keep the parking sensors
O1
clean.
• If the parking sensors are dirty, wipe them off with a sof t cloth while being careful to
not damage them.
LSD3754
5-80Starting and driving

Condition B:
When the radar sensor of the front bumper
is covered with dirt or is obstructed, the
AEB with Pedestrian Detection system will
automatically be canceled. The chime will
sound and the “Unavailable: Front Radar
Obstruction” warning message will appear
in the vehicle information 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
system stops working, the I-FCW sys-
tem will also stop working.
SYSTEM MALFUNCTION
If the AEB with Pedestrian Detection sys-
tem malfunctions, it will be turned off auto-
matically, a chime will sound, the AEB with
Pedestrian Detection system warning light
(orange) will illuminate and the warning
message [Malfunction] 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
AEB with Pedestrian Detection system
checked. It is recommended that you visit a
NISSAN dealer for this service.
SYSTEM MAINTENANCE
The radar sensor is located on the front of
the vehicle
OB. The camera is located on
the upper side of the windshield
OA.
To keep the AEB with Pedestrian Detection
system operating properly, be sure to ob-
serve the following:
• Always keep the sensor areas of the front bumper and windshield clean.
• Do not strike or damage the areas around the sensors (e.g., bumper, wind-
shield).
LSD3756
5-90Starting and driving

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

Parking brake:Check the parking brake
operation regularly. The vehicle should be
securely held on a fairly steep hill with only
the parking brake applied. If the parking
brake needs adjustment, it is recom-
mended that you visit a NISSAN dealer for
this service.
Seats: Check seat position controls such
as seat adjusters, seatback recliner, etc., to
ensure they operate smoothly and all
latches lock securely in every position.
Check that the head restraints/headrests
move up and down smoothly and the locks
(if so equipped) hold securely in all latched
positions.
Seat belts: Check that all parts of the seat
belt system (for example, buckles, anchors,
adjusters and retractors) operate properly
and smoothly, and are installed securely.
Check the belt webbing for cuts, fraying,
wear or damage.
Steering wheel: Check for changes in the
steering system, such as excessive free
play, hard steering or strange noises.
Warning lights and chimes: Make sure all
warning lights and chimes are operating
properly.
Windshield defroster: Check that the air
comes out of the defroster outlets properly and in sufficient quantity when operating
the heater or air conditioner.
Windshield wiper and washer*:
Check
that the wipers and washer operate prop-
erly and that the wipers do not streak.
Under the hood and vehicle
The maintenance items listed here should
be checked periodically (for example, each
time you check the engine oil or refuel).
Battery*: This vehicle is equipped with a
sealed maintenance free battery. It is rec-
ommended that you visit a NISSAN dealer
for service.
NOTE:
Care should be taken to avoid situations
that can lead to potential battery dis-
charge and potential no-start conditions
such as:
1. Installation or extended use of elec-
tronic accessories that consume bat-
tery power when the engine is not run-
ning (Phone chargers, GPS, DVD
players, etc.).
2. Vehicle is not driven regularly and/or
only driven short distances. In these cases, the battery may need to
be charged to maintain battery health.
Brake and clutch (if so equipped) fluid
level*:
Make sure that the brake and clutch
fluid levels are between the MIN and MAX
lines on the reservoir.
Engine coolant level*: Check the coolant
level when the engine is cold.
Engine drive belt*: Make sure the drive belt
is not frayed, worn, cracked or oily.
Engine oil level*: Check the level af ter
parking the vehicle on a level surface with
the engine off. Wait more than 15 minutes
for the oil to drain back into the oil pan.
Exhaust system: Make sure there are no
loose supports, cracks or holes. If the
sound of the exhaust seems unusual or
there is a smell of exhaust fumes, immedi-
ately have the exhaust system inspected. It
is recommended that you visit a NISSAN
dealer for this service. For additional infor-
mation, refer to “Exhaust gas (carbon mon-
oxide)” in the “Starting and driving” section
of this manual.
9-4Maintenance and schedules

Af termarket fuel additives
NISSAN does not recommend the use of
any af termarket fuel additives (for ex-
ample, fuel injector cleaner, octane
booster, intake valve deposit removers,
etc.) which are sold commercially. Many of
these additives intended for gum, varnish
or deposit removal may contain active sol-
vents or similar ingredients that can be
harmful to the fuel system and engine.
Octane rating tips
Using unleaded gasoline with an octane
rating lower than recommended can
cause persistent, heavy “spark knock.”
(“Spark knock” is a metallic rapping
noise.) If severe, this can lead to engine
damage. If you detect a persistent heavy
spark knock even when using gasoline
of the stated octane rating, or if you hear
steady spark knock while holding a
steady speed on level roads, it is recom-
mended that you have a NISSAN dealer
correct the condition. Failure to correct
the condition is misuse of the vehicle, for
which NISSAN is not responsible.Incorrect ignition timing may result in
spark knock, af ter-run and/or overheating,
which may cause excessive fuel consump-
tion or engine damage. If any of the above
symptoms are encountered, have your ve-
hicle checked. It is recommended that you
visit a NISSAN dealer for servicing.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is not
a cause for concern, because you get the
greatest fuel benefit when there is light
spark knock for a short time under heavy
engine load.
10-6Technical and consumer information

safety from http://
www.safercar.gov.
You may notif y NISSAN by contact-
ing our Consumer Affairs Depart-
ment, toll-free, at 1-800-NISSAN-1.
For Canada
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you
should immediately inform Trans-
port Canada in addition to notif ying
NISSAN.
If Transport Canada receives com-
plaints, it may open an investigation,
and if it finds that a safety defect
exists in a group of vehicles, it may
request that NISSAN conduct a recall
campaign. However, Transport
Canada cannot become involved in
individual problems between you,
your dealer, or NISSAN.You may contact Transport Cana-
da's Defect Investigations and Re-
calls Division toll free at 1-800-333-
0510. You may also report safety
defects online at: https://
wwwapps.tc.gc.ca/Saf-Sec-Sur/7/
PCDB-BDPP/fc-cp.aspx?lang=eng
(English speakers) or https://
wwwapps.tc.gc.ca/Saf-Sec-Sur/7/
PCDB-BDPP/fc-cp.aspx?lang=fra
(French speakers)
Additional information concerning
motor vehicle safety may be ob-
tained from Transport Canada's
Road Safety Information Centre at
1-800-333-0371 or online at
www.tc.gc.ca/roadsafety (English
speakers) or www.tc.gc.ca/
securiteroutiere (French speakers).
To notif y NISSAN of any safety con-
cerns please contact our Consumer
Information Centre toll free at 1-800-
387-0122.Due to legal requirements in some states
and Canadian Provinces, your vehicle may
be required to be in what is called the
“ready condition” for an Inspection/
Maintenance (I/M) test of the emission
control system.
The vehicle is set to the “ready condition”
when it is driven through certain driving
patterns. Usually, the ready condition can
be obtained by ordinary usage of the ve-
hicle.
If a powertrain system component is re-
paired or the battery is disconnected, the
vehicle may be reset to a “not ready ” condi-
tion. Before taking the I/M test, check the
vehicle's inspection/maintenance test
readiness condition. Place the ignition
switch in the ON position without starting
the engine. If the Malfunction Indicator
Light (MIL) comes on steady for 20 seconds
and then blinks for 10 seconds , the I/M test
condition is “not ready”. If the MIL does not
blink af ter 20 seconds, the I/M test condi-
tion is “ready ”. It is recommended that you
visit a NISSAN dealer to set the “ready con-
dition” or to prepare the vehicle for testing.
READINESS FOR INSPECTION/
MAINTENANCE (I/M) TEST
Technical and consumer information10-21

Bulb replacement...............8-26
C
C.M.V.S.S. certification label.........10-13Capacities and recommended
fuel/lubricants.................10-2Car phone or CB radio............4-67Cargo
(See vehicle loading information).....10-15Chassis control................5-119Check tire pressure..........2-30, 2-47Child restraints.......1-21,1-22,1-23,1-25LATCH (Lower Anchors and Tethers for
CHildren) System..............1-25Precautions on child
restraints............1-30, 1-36, 1-41Top tether strap anchor point
locations...................1-28Child safety rear door lock..........3-7Cleaning exterior and interior......7-2,7-5Clutch
Clutch fluid..................8-11Cold weather driving............5-125Console box................. .2-68Continuously Variable Transmission
(CVT).......................5-16Continuously Variable Transmission (CVT)
fluid......................8-10Driving with Continuously Variable
Transmission (CVT)............5-16Control panel buttons.............4-3Brightness/contrast button.......4-8
Controls
Audio controls (steering wheel).....4-63Heater and air conditioner
controls................4-33, 4-41CoolantCapacities and recommended
fuel/lubricants
...............10-2Changing engine coolant.........8-6Checking engine coolant level......8-6Engine coolant temperature gauge. . .2-6Corrosion protection..............7-8Cruise control................ .5-58Cup holders................. .2-69
D
Daytime Running Light System......2-59Defroster switch
Rear window and outside mirror defroster
switch
................... .2-55Diesel Particulate Filter (DPF)........2-51Dimensions and weights..........10-11Dimmer switch for instrument panel. . .2-60Display controls (see control panel
buttons).................... .4-3Door locks....................3-4Drive belt....................8-14Driving
Cold weather driving...........5-125Driving with Continuously Variable
Transmission (CVT)............5-16Driving with manual transmission. . .5-21
Precautions when starting and
driving.................... .5-4Driving the vehicle...............5-16
E
E-call (SOS) Button..............2-64ECO mode switch...............5-25Economy - fuel................5-111Emergency engine shutoff.......5-13,6-2Emission control information label. . . .10-13Emission control system warranty. . . .10-20Engine
Before starting the engine........5-14Capacities and recommended
fuel/lubricants...............10-2Changing engine coolant.........8-6Changing engine oil.............8-7Changing engine oil filter.........8-7Checking engine coolant level......8-6Checking engine oil level..........8-7Engine compartment check
locations.................. .8-4Engine coolant temperature gauge. . .2-6Engine cooling system...........8-5Engine oil...................8-7Engine oil and oil filter
recommendation.............10-7Engine oil pressure warning light. . . .2-10Engine oil viscosity.............10-7Engine serial number..........10-13Engine specifications...........10-9Starting the engine............5-14
11-2Index