2021 NISSAN FRONTIER check transmission fluid

4WD warning light (model)Low tire pressure warning lightFront passenger air bag status light
orAnti-lock Braking System
(ABS) warning lightLow windshield-washer fluid warning light
(if so equipped)High beam indicator light (blue)
orApply parking brake warning
lightNISSAN Intelligent Key® warning light
(if so equipped)Hill descent control system ON indicator
light (if so equipped)
Automatic transmission check warning lightSeat belt warning light and chimeMalfunction Indicator Light (MIL)
Automatic transmission park warning
light (
model)
Shif t P (Park) warning light (if so equipped)Security indicator light (if so equipped)
orBrake warning lightSupplemental air bag warning lightSET indicator light
Charge warning light4WD shif t indicator light (model)Slip indicator light
Door open warning lightAutomatic transmission position indicator
lightTransfer 4LO position indicator light
(
model)
Electric shif t control system warning lightCRUISE indicator lightTurn signal/hazard indicator lights
Engine oil pressure warning lightElectronic locking rear differential (E-Lock)
system ON indicator light (if so equipped)Vehicle Dynamic Control (VDC) OFF
indicator light
Low fuel warning lightEngine start operation indicator light
(if so equipped)
WARNING LIGHTS, INDICATOR LIGHTS
AND AUDIBLE REMINDERS
2-14Instruments and controls

If an ABS malfunction occurs, the anti-lock
function is turned off. The brake system
then operates normally but without anti-
lock assistance. For additional information,
refer to “Brake system” in the “Starting and
driving” section of this manual.
orApply parking
brake warning
light (if so
equipped)
This warning light appears when a mal-
function occurs in the electric shif t control
system below 3 mph (5 km/h).
Have the system checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
Automatic Transmission
check warning light
When the ignition switch is placed in the ON
position, the light comes on for about 2
seconds. If the light comes on at any other
time, it may indicate the automatic trans-
mission system is not functioning properly.
Have the system checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
Automatic Transmission
Park warning light (
model)
orBrake warning
light
This light functions for both the parking
brake and the foot brake systems.
Parking brake indicator
When the ignition switch is placed in the ON
position, the light comes on when the park-
ing brake is applied.
Low brake fluid warning light
When the ignition switch is placed in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine
is running with the parking brake not ap-
plied, stop the vehicle and perform the fol-
lowing:
1. Check the brake fluid level. Add brakefluid as necessary. For additional infor-
mation, refer to “Brake fluid” in the “Do-it-
yourself ” section of this manual.
2-16Instruments and controls

Af ter the operation
1. Reinstall engine protectors in reverse or-der of removal.
2. Lower the vehicle carefully to the ground.
• Dispose of waste oil and filter properly.
• Check your local regulations. When checking or replacement is required,
it is recommended that you visit a NISSAN
dealer for this service.
LDI3077
AUTOMATIC TRANSMISSION FLUID
(ATF)
POWER STEERING FLUID (PSF)

Engine coolant*:Replace coolant at the
specified interval. When adding or replacing
coolant, be sure to use only Genuine NISSAN
Long Life Antifreeze/Coolant (blue) or
equivalent with the proper mixture. (For ad-
ditional information on the proper mixture
for your area, refer to “Engine cooling system”
in the “Do-it-yourself ” section of this manual.)
NOTE: Mixing any other type of coolant
or the use of non-distilled water may re-
duce the recommended service interval
of the coolant.
Engine oil and oil filter: Replace engine oil
and oil filter at the specified intervals. For
recommended oil grade and viscosity refer
to “Recommended fluids/lubricants and
capacities” in the “Technical and consumer
information” section of this manual.
Evaporative emissions control vapor
lines*: Check vapor lines for leaks or loose-
ness. Tighten connections or replace parts
as necessary.
Fuel lines*: Check the fuel hoses, piping
and connections for leaks, looseness, or
deterioration. Tighten connections or re-
place parts as necessary.
Spark plugs: Replace at specified intervals.
Install new plugs of the same type as origi-
nally equipped.
CHASSIS AND BODY
MAINTENANCE:
Brake lines and cables: Visually inspect for
proper installation. Check for chafing,
cracks, deterioration, and signs of leaking.
Replace any deteriorated or damaged
parts immediately.
Brake pads and rotors: Check for wear,
deterioration and fluid leaks. Replace any
deteriorated or damaged parts immedi-
ately.
Exhaust system: Visually inspect the ex-
haust pipes, muffler and hangers for leaks,
cracks, deterioration, and damage. Tighten
connections or replace parts as necessary.
Propeller shaf t(s): Check for damage,
looseness, and grease leakage.
In-cabin microfilter: Replace at specified
intervals. When driving for prolonged peri-
ods in dusty conditions, replace the filter
more frequently.
Steering gear and linkage, axle and sus-
pension parts, drive shaf t boots: Check
for damage, looseness, and leakage of oil
or grease. Under severe driving conditions,
inspect more frequently. Tire rotation:
Tires should be rotated every
7,500 miles (12,000 km). When rotating tires,
check for damage and uneven wear. Re-
place if necessary.
Transmission fluid/oil, differential oil: Vi-
sually inspect for signs of leakage at speci-
fied intervals.
Off-road maintenance: Check the follow-
ing items frequently whenever you drive
off-road through deep sand, mud or water:
• Brake pads and rotors
• Brake linings and drums
• Brake lines and hoses
• Differential, transmission and transfer case oil
• Steering linkage
• Propeller shaf t(s) and front drive shaf ts
• Engine air filter
• Clutch housing drain (AWD only)
9-6Maintenance and schedules

3. Try to rearrange the trailer load so it isbalanced as described in this section.
• Be careful when passing other vehicles. Passing while towing a trailer requires
considerably more distance than normal
passing. Remember, the length of the
trailer must also pass the other vehicle
before you can safely change lanes.
• Downshif t the transmission to a lower gear for engine braking when driving
down steep or long hills. This will help
slow the vehicle without applying the
brakes.
• Avoid holding the brake pedal down too long or too frequently. This could cause
the brakes to overheat, resulting in re-
duced braking efficiency.
• Increase your following distance to allow for greater stopping distances while tow-
ing a trailer. Anticipate stops and brake
gradually.
• NISSAN recommends that the cruise control not be used while towing a trailer.
• Some states or provinces have specific regulations and speed limits for vehicles
that are towing trailers. Obey the local
speed limits. • Check your hitch, trailer wiring harness
connections, and trailer wheel lug nuts
af ter 50 miles (80 km) of travel and at
every break.
• When launching a boat, don't allow the water level to go over the exhaust tail
pipe or rear bumper.
• Make sure you disconnect the trailer lights before backing the trailer into the
water or the trailer lights may burn out.
When towing a trailer, final drive gear oil
should be replaced and transmission oil/
fluid should be changed more fre-
quently. For additional information, refer
to the “Do-it-yourself ” section in this
manual.FLAT TOWING – 4WD WITH
AUTOMATIC TRANSMISSION
Towing a vehicle behind a recreational ve-
hicle, such as a motor home, is sometimes
called flat towing.

Parking brake operation.........5-19Self-adjusting brakes...........8-20Brake fluid....................8-11Brake system.................5-32Brakes......................8-20Break-in schedule...............5-21Brightness control
Instrument panel.............2-33Brightness/contrast button......4-9, 4-15Bulb check/instrument panel........2-15Bulb replacement...............8-28
C
C.M.V.S.S. certification label.........10-12Capacities and recommended
fuel/lubricants................ .10-2Car phone or CB radio............4-79Cargo
(See vehicle loading information).....10-14Cargo lamp switch..............2-34CD care and cleaning.............4-70CD player (See audio system).......4-54Child restraint with top tether strap. . . .1-32Child restraints.......1-25,1-26,1-28, 1-30Precautions on child
restraints.........1-39, 1-42, 1-54, 1-65Top tether strap anchor point
locations.................. .1-33Child safety rear door lock..........3-7Cleaning exterior and interior......7-2,7-4Clock set/adjustment..........4-7,4-13
Clock setting
(models with Navigation System).....4-13Cold weather driving.............5-40Compact disc (CD) player..........4-54Compass....................2-11Compass and outside temperature
display......................2-10Compass display...............2-10Connect phone................4-72Console box..................2-45Control panel buttons.........4-5, 4-10Back button.................4-13Brightness/contrast button. . . .4-9, 4-15Enter button..............4-5, 4-10Setting button...............4-13With navigation system.......4-10,4-11Controls
Audio controls (steering wheel).....4-71Heater and air conditioner controls. .4-34Heater and air conditioner controls
(manual)...................4-22CoolantCapacities and recommended
fuel/lubricants
...............10-2Changing engine coolant.........8-5Checking engine coolant level......8-5Engine coolant temperature gauge. . .2-7Corrosion protection..............7-7Cruise control.................5-19Cup holders................. .2-46Curtain side-impact and rollover
air bag..................... .1-82
D
Daytime Running Lights (DRL) system. .2-32Defroster switch
Rear window and outside mirror
defroster switch
..............2-29Rear window defroster switch.....2-29Dimensions and weights..........10-10Dimmer switch for instrument panel. . .2-33Display controls (see control panel
buttons)................. .4-5, 4-10Door locks................... .3-4Door open warning light...........2-17Drive belt....................8-15Driving
Cold weather driving...........5-40Driving with automatic
transmission................5-14Precautions when starting and
driving.....................5-2Driving the vehicle...............5-14
E
Economy - fuel.................5-23Electronic locking rear differential (E-Lock)
system.....................5-29Electronic locking rear differential (E-Lock)
system switch................ .2-37Emergency engine shutoff.......5-12,6-3Emission control information label. . . .10-12Emission control system warranty. . . .10-38
11-2