warning light NISSAN FRONTIER 2021 Owner's Guide

Front passenger air bag
status light
The front passenger air bag status lightwill be lit and the passenger front air
bag will be off depending on how the front
passenger seat is being used.
For additional information, refer to “Front
passenger air bag and status light” in the
“Safety — Seats, seat belts and supplemen-
tal restraint system” section of this manual.
High beam indicator light
(blue)
This blue light comes on when the head-
light high beams are on and goes out when
the low beams are selected.
The high beam indicator light also comes
on when the passing signal is activated.
Hill descent control system
ON indicator light (if so
equipped)
When the ignition switch is placed in the ON
position, this light comes on briefly and
then turns off.
The light comes on when the hill descent
control system is activated. If the hill descent control switch is on and
the indicator light blinks, the system is not
engaged.
If the indicator light does not come on
when the hill descent switch is on, the sys-
tem may not be functioning properly. Have
the system checked. It is recommended
that you visit a NISSAN dealer for this ser-
vice.
For additional information, refer to “Hill de-
scent control switch” in this section and “Hill
descent control system” in the “Starting
and driving” section of this manual.
Malfunction Indicator Light
(MIL)
If this indicator light comes on steady or
blinks while the engine is running, it may
indicate a potential emission control mal-
function.
The MIL may also come on steady if the
fuel-filler cap is loose or missing, or if the
vehicle runs out of fuel. Check to make sure
the fuel-filler cap is installed and closed
tightly, and that the vehicle has at least 3
gal (11.4 L) of fuel in the fuel tank.
Af ter a few driving trips, the
light
should turn off if no other potential emis-
sion control system malfunction exists. If this indicator light comes on steady for 20
seconds and then blinks for 10 seconds
when the engine is not running, it indicates
that the vehicle is not ready for an emission
control system inspection/maintenance
test. For additional information, refer to
“Readiness for inspection/maintenance
(I/M) test” in the “Technical and consumer
information” section of this manual.
Operation
The MIL will come on in one of two ways:
• MIL on steady — An emission control sys-
tem malfunction has been detected.
Check the fuel-filler cap if the LOOSE FUEL
CAP warning appears in the trip com-
puter. If the fuel-filler cap is loose or miss-
ing, tighten or install the cap and con-
tinue to drive the vehicle. The
light
should turn off af ter a few driving trips. If
the
light does not turn off af ter a few
driving trips, have the vehicle inspected. It
is recommended that you visit a NISSAN
dealer for this service. You do not need to
have your vehicle towed to the dealer.
• MIL blinking — An engine misfire has been detected which may damage the emis-
sion control system. To reduce or avoid
emission control system damage:– Do not drive at speeds above 45 mph (72 km/h).
2-22Instruments and controls

You cannot move the transfer 4WD shif t
switch between 4H and 4LO unless you
stop the vehicle and move the shif t lever to
the N (Neutral) position with the brake
pedal depressed.
Turn signal/hazard
indicator lights
The appropriate light flashes when the turn
signal switch is activated.
NOTE:
In case of turn signal light bulb malfunc-
tion, the turn signal will flash at a higher
frequency when the turn signal switch is
activated.
Both lights flash when the hazard switch is
turned on.
Vehicle Dynamic Control
(VDC) OFF indicator light
This indicator light comes on when the
VDC OFF switch is pushed to the OFF posi-
tion, the transfer case is in the 4LO position
(
model), or when the VDC system is
not functioning properly. This indicates the
VDC system is not operating.
Push the VDC OFF switch again or restart
the engine and the system will operate normally. For additional information, refer
to “Vehicle Dynamic Control (VDC) system”
in the “Starting and driving” section of this
manual.
The VDC light also comes on when the
push-button ignition switch is in the ON
position. The light will turn off af ter about 2
seconds if the system is operational. If the
light stays on or comes on along with the
indicator light while you are driving,
have the VDC system checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
If the battery is removed or discharged, the
VDC system is disabled and the VDC indi-
cator light will not turn off af ter 2 seconds
when the ignition switch is placed in the ON
position. To reset the system, you must
perform the reset procedure. For addi-
tional information, refer to “Vehicle Dy-
namic Control (VDC) system” in the “Start-
ing and driving” section of this manual.
If the light does not go off af ter performing
the reset procedure, have the traction con-
trol system checked. It is recommended that
you visit a NISSAN dealer for this service.
While the VDC system is operating, you
might feel slight vibration or hear the sys-
tem working when starting the vehicle or
accelerating, but this is normal. The VDC system will be disabled and the
VDC light will illuminate when the elec-
tronic locking rear differential (E-lock) sys-
tem switch (if so equipped) is turned on
and the E-lock system is engaged. If the
E-lock system disengages or the switch is
turned off, the VDC system will be enabled
and the VDC light will turn off.
AUDIBLE REMINDERS
Brake pad wear warning
The disc brake pads have audible wear
warnings. When a disc brake pad requires
replacement, it makes a high pitched
scraping sound when the vehicle is in mo-
tion, whether or not the brake pedal is de-
pressed. Have the brakes checked as soon
as possible if the warning sound is heard.
Light reminder chime
With the ignition switch placed in the OFF
position, a chime sounds when the driver's
door is opened if the headlights or parking
lights are on.
Turn the headlight control switch off before
leaving the vehicle.
2-24Instruments and controls

When the E-Lock switch is turned on, the
indicator light will flash until the system
engages. However, if all operation condi-
tions listed above are not met or the sys-
tem becomes disengaged, the indicator
light will continue to flash.
The Anti-lock Braking System (ABS) is dis-
abled and the ABS light illuminates when
the E-Lock system is on. Also, the Vehicle
Dynamic Control (VDC) system is disabled
and the VDC light illuminates when the
E-Lock system is on.
For additional information, refer to “Elec-
tronic locking rear differential (E-Lock) sys-
tem” in the “Starting and driving” section of
this manual for further explanation and
system limitations.
CAUTION
• Af ter using the E-Lock system, turn
the switch off to prevent possible
damage to driveline components
from extended use.
• Do not drive over 12 mph (20 km/h)
when the system is engaged. Doing
so could result in possible damage to
the driveline.
•
Do not turn on the E-Lock system
while the tires are spinning. Doing so
could damage drivetrain components.
WARNING
The Rear Sonar System is a conve-
nience but it is not a substitute for
proper backing. Always turn and check
that it is safe to do so before backing
up. Always back up slowly.
The RSS (if so equipped) is active when the
ignition switch is placed in the ON position
and the shif t lever is in R (Reverse).
When sensors detect obstacles within 6 f t
(1.8 m) of the rear bumper, a beeping tone is
emitted.
LIC0471
REAR SONAR SYSTEM (RSS) OFF
SWITCH (if so equipped)

The HomeLink® Universal Transceiver pro-
vides a convenient way to consolidate the
functions of up to three individual hand-
held transmitters into one built-in device.
HomeLink® Universal Transceiver:
• Will operate most radio frequency de-vices such as garage doors, gates, home
and office lighting, entry door locks and
security systems.
• Is powered by your vehicle's battery. No separate batteries are required. If the ve-
hicle's battery is discharged or is discon-
nected, HomeLink® will retain all pro-
gramming.
When the HomeLink® Universal Trans-
ceiver is programmed, retain the original
transmitter for future programming pro-
cedures (Example: new vehicle pur-
chases). Upon sale of the vehicle, the
programmed HomeLink® Universal
Transceiver buttons should be erased for
security purposes. For additional infor-
mation, refer to “Programming
HomeLink®” in this section.WARNING
• Your vehicle's engine should be
turned off while programming the
HomeLink® Universal Transceiver. Do
not breathe exhaust gases; they con-
tain colorless and odorless carbon
monoxide. Carbon monoxide is dan-
gerous. It can cause unconscious-
ness or death.
• Do not use the HomeLink® Universal
Transceiver with any garage door
opener that lacks safety stop and re-
verse features as required by federal
safety standards. (These standards
became effective for opener models
manufactured af ter April 1, 1982). A
garage door opener which cannot
detect an object in the path of a clos-
ing garage door and then automati-
cally stop and reverse, does not meet
current federal safety standards. Us-
ing a garage door opener without
these features increases the risk of
serious injury or death. •
During the programming procedure
your garage door or security gate will
open and close (if the transmitter is
within range). Make sure that people
or objects are clear of the garage
door, gate, etc. that you are
programming.
PROGRAMMING HOMELINK®
If you have any questions or are having
difficulty programming your HomeLink®
buttons, refer to the HomeLink® web site at:
www.homelink.com or call 1-800-355-3515.
NOTE:
Place the ignition switch in the ON posi-
tion (without starting the engine) when
programming HomeLink®. It is also rec-
ommended that a new battery be placed
in the hand-held transmitter of the de-
vice being programmed to HomeLink®
for quicker programming and accurate
transmission of the radio frequency.
HOMELINK® UNIVERSAL
TRANSCEIVER (if so equipped)
2-56Instruments and controls

WARNING
• Radio waves could adversely affect
electric medical equipment. Those
who use a pacemaker should contact
the electric medical equipment
manufacturer for the possible influ-
ences before use.
• The Intelligent Key transmits radio
waves when the buttons are pressed.
The FAA advises the radio waves may
affect aircraf t navigation and com-
munication systems. Do not operate
the Intelligent Key while on an air-
plane. Make sure the buttons are not
operated unintentionally when the
unit is stored for a flight.
The Intelligent Key can operate all the door
locks using the remote control function. The
operating environment and/or conditions
may affect the Intelligent Key operation.
Be sure to read the following before using
the Intelligent Key.

HOW TO USE THE REMOTE
KEYLESS ENTRY FUNCTION
The remote keyless entry function can op-
erate all door locks using the remote key-
less function of the Intelligent Key. The re-
mote keyless function can operate at a
distance of 99 f t (30 m) away from the ve-
hicle. The operating distance depends
upon the conditions around the vehicle.The remote keyless entry function may not
function under the following conditions:
• When the Intelligent Key is not within the
operational range.
• When the doors are open or not closed securely.
• When the Intelligent Key battery is dis- charged.
button on the Intelli-
gent Key.
4. The hazard indicator lights flash twice and the horn beeps once.
5. All doors will be locked.
button on the Intelligent
Key to unlock the driver’s door.
2. The hazard warning lights flash once.
3. Press the
button again within 5
seconds to unlock all doors.
All doors will be locked automatically un-
less one of the following operations is per-
formed within 1 minute af ter pressing the
button:
• Opening any doors.
• Pushing the ignition switch.
The interior lights will illuminate for a period
of time when a door is unlocked and the
interior lights switch is in the O (DOOR) po-
sition.
LPD3600
1.(lock) button
2.
(unlock) button
3.
(panic) button

Intelligent Key button operation
light
The light blinks only when you press any
button on the Intelligent Key. The light illu-
mination only signifies that the key fob has
transmitted a signal. You may look and/or
listen to verif y that the vehicle has per-
formed the intended operation. The num-
ber of blinks identifies each registered key
(i.e. 1 blink = 1st key,...,4 blinks = 4th key) for
your own identification purposes.If the light does not blink, your battery may
be too weak to communicate to the ve-
hicle. If this occurs, the battery may need to
be replaced. For additional information re-
garding the replacement of a battery, refer
to “Battery replacement” in the “Do-it-
yourself ” section of this manual.
WARNING SIGNALS
To help prevent the vehicle from moving
unexpectedly by erroneous operation of
the Intelligent Key or to help prevent the
vehicle from being stolen, a chime or chirp
sounds from inside and outside the vehicle
and a warning is displayed in the instru-
ment panel.
When a chime or beep sounds or a warning
is displayed, be sure to check the vehicle
and the Intelligent Key.
For additional information, refer to
“Troubleshooting guide” in this section and
“Warning lights, indicator lights and audible
reminders” in the “Instruments and con-
trols” section of this manual.
LPD2836

TROUBLESHOOTING GUIDE
Verif y the location of all Intelligent Keys that are programmed for the vehicle. If another Intelligent Key is in range or inside the vehicle, the
vehicle system may respond differently than expected.
SymptomPossible CauseRemedy
When pushing the ignition switch to
stop the engine The Shif t P (Park) warning light appears
on the display and the inside warning
chime sounds continuously. The shif t lever is not in the P (Park) po-
sition.
Move the shif t lever to the P (Park) po-
sition.
When opening the driver's door to get
out of the vehicle The door open warning light appears
on the display and the inside warning
chime sounds continuously. The ignition switch is in the AUTO ACC
position.
Place the ignition switch in the ON po-
sition or close the driver’s door.
When closing the door af ter getting
out of the vehicle The NISSAN Intelligent Key® warning
light appears on the display, the out-
side chime sounds three times and the
inside warning chime sounds for ap-
proximately three seconds.
The Intelligent Key is not detected in-
side of the vehicle.
Place the ignition switch in the OFF
position.
The Shif t P (Park) warning light appears
on the display and the inside and out-
side chimes sound continuously. The ignition switch is in the ACC or OFF
position and the shif t lever is not in the
P (Park) position.
Carry the Intelligent Key with you.
When closing the door with the inside
lock knob turned to LOCK The outside chime sounds for approxi-
mately three seconds and all the doors
unlock.
The Intelligent Key is inside the vehicle. Carry the Intelligent Key with you.
When pushing the ignition switch to
start the engine The NISSAN Intelligent Key® warning
light appears on the display.
The battery charge is low.Replace the battery with a new one.
For additional information, refer to
“Battery replacement” in the “Do-it-
yourself ” section of this manual.
The NISSAN Intelligent Key® warning
light appears on the display . The Intelligent Key is not detected in-
side of the vehicle.Carry the registered Intelligent Key
with you.
3-12Pre-driving checks and adjustments

•Do not attempt to top off the fuel
tank af ter the fuel pump nozzle
shuts off automatically. Continued
refueling may cause fuel overflow,
resulting in fuel spray and possibly a
fire.
• Use only an original equipment type
fuel-filler cap as a replacement. It has
a built-in safety valve needed for
proper operation of the fuel system
and emission control system. An in-
correct cap can result in a serious
malfunction and possible injury. It
could also cause the
Malfunc-
tion Indicator Light (MIL) to come on.
• Never pour fuel into the throttle body
to attempt to start your vehicle.
• Do not fill a portable fuel container in
the vehicle or trailer. Static electricity
can cause an explosion of flammable
liquid, vapor or gas in any vehicle or
trailer. To reduce the risk of serious
injury or death when filling portable
fuel containers:
– Always place the container on the
ground when filling.
– Do not use electronic devices
when filling. –
Keep the pump nozzle in contact
with the container while you are
filling it.
– Use only approved portable fuel
containers for flammable liquid.
CAUTION
• Do not use a fuel containing more
than 15% ethanol in your vehicle. For
additional information, refer to “Fuel
recommendation” in the “Technical
and consumer information” section
of this manual.
• The LOOSE FUEL CAP warning will ap-
pear if the fuel-filler cap is not prop-
erly tightened. It may take a few driv-
ing trips for the message to be
displayed. Failure to tighten the fuel-
filler cap properly af ter the LOOSE
FUEL CAP warning appears may
cause the
Malfunction Indicator
Light (MIL) to illuminate. •
Failure to tighten the fuel-filler cap
properly may cause the
Mal-
function Indicator Light (MIL) to illu-
minate. If the
light illuminates
because the fuel-filler cap is loose or
missing, tighten or install the cap and
continue to drive the vehicle. The
light should turn off af ter a few
driving trips. If thelight does not
turn off af ter a few driving trips, have
your vehicle inspected. It is recom-
mended that you visit a NISSAN
dealer for this service.
• For additional information, refer to
“Malfunction Indicator Light (MIL)” in
the “Instruments and controls” sec-
tion in this manual.
• If fuel is spilled on the vehicle body,
flush it away with water to avoid
paint damage.
3-14Pre-driving checks and adjustments

the telltale will flash for approximately 1
minute and then remain continuously illu-
minated. This sequence will continue upon
subsequent vehicle start-ups as long as
the malfunction exists. When the malfunc-
tion indicator is illuminated, the system
may not be able to detect or signal low tire
pressure as intended. TPMS malfunctions
may occur for a variety of reasons, includ-
ing the installation of replacement or alter-
nate tires or wheels on the vehicle that
prevent the TPMS from functioning prop-
erly. Always check the TPMS malfunction
telltale af ter replacing one or more tires or
wheels on your vehicle to ensure that the
replacement or alternate tires and wheels
allow the TPMS to continue to function
properly.
Additional information:
• When replacing a wheel without theTPMS such as the spare tire, the TPMS
does not monitor the tire pressure of the
spare tire.
• The TPMS will activate only when the ve- hicle is driven at speeds above 16 mph (25
km/h). Also, this system may not detect a
sudden drop in tire pressure (for example,
a flat tire while driving). • The low tire pressure warning light does
not automatically turn off when the tire
pressure of your tires are adjusted. Af ter
the tires are inflated to the recom-
mended pressure, the vehicle must be
driven at speeds above 16 mph (25 km/h)
to activate the TPMS and turn off the low
tire pressure warning light. Use a tire
pressure gauge to check the tire pres-
sure.
• The CHECK TIRE PRES (pressure) warning message is displayed in the odometer
when the low tire pressure warning light
is illuminated and low tire pressure is de-
tected. The CHECK TIRE PRES warning
message turns off when the low tire pres-
sure warning light turns off. The low tire
pressure warning light remains illumi-
nated until the tires are inflated to the
recommended COLD tire pressure. The
CHECK TIRE PRES warning message is
displayed each time the ignition switch is
placed in the ON position as long as the
low tire pressure warning light remains
illuminated. For additional information,
refer to “Check tire pressure warning
message” in the “Instruments and con-
trols” section of this manual. • The CHECK TIRE PRES warning is not dis-
played if the low tire pressure warning
light illuminates to indicate a TPMS mal-
function.
• The CHECK TIRE PRES warning appears each time the ignition switch is placed in
the ON position as long as the low tire
pressure warning light remains illumi-
nated.
• Tire pressure rises and falls depending on the heat caused by the vehicle’s opera-
tion and the outside temperature. Do not
reduce the tire pressure af ter driving be-
cause the tire pressure rises af ter driving.
Low outside temperature can lower the
temperature of the air inside the tire
which can cause a lower tire inflation
pressure. This may cause the low tire
pressure warning light to illuminate. If the
warning light illuminates, check the tire
pressure for all four tires.
• The Tire and Loading Information label is located in the driver's door opening.
For additional information, refer to “Low tire
pressure warning light” in the “Instruments
and controls” section and “Tire Pressure
Monitoring System (TPMS)” in the “In case of
emergency” section of this manual.
5-4Starting and driving