2021 NISSAN FRONTIER battery

– Your vehicle is in an area where it isdifficult to receive cellular signal; such
as in a tunnel, in an underground park-
ing garage, near a tall building or in a
mountainous area.
– Your cellular phone is locked to prevent it from being dialed.
• When the radio wave condition is not ideal or ambient sound is too loud, it may
be difficult to hear the other person's
voice during a call.
• Immediately af ter the ignition switch is placed in the ON position, it may be im-
possible to receive a call for a short period
of time.
• Do not place the cellular phone in an area surrounded by metal or far away from
the in-vehicle phone module to prevent
tone quality degradation and wireless
connection disruption.
• While a cellular phone is connected through the Bluetooth® wireless connec-
tion, the battery power of the cellular
phone may discharge quicker than usual.
The Bluetooth® Hands-Free Phone Sys-
tem cannot charge cellular phones. • If the hands-free phone system seems to
be malfunctioning, refer to “Trouble-
shooting guide” in this section. You can
also visit www.nissanusa.com/bluetooth
or www.nissan.ca/bluetooth for trouble-
shooting help.
• Some cellular phones or other devices may cause interference or a buzzing
noise to come from the audio system
speakers. Storing the device in a different
location may reduce or eliminate the
noise.
• Refer to the cellular phone owner's manual regarding the telephone
charges, cellular phone antenna and
body, etc.
• The signal strength display on the moni- tor will not coincide with the signal
strength display of some cellular phones.
REGULATORY INFORMATION
FCC Regulatory information
– CAUTION: To maintain compliance with FCC’s RF exposure guidelines, use only
the supplied antenna. Unauthorized an-
tenna, modification, or attachments
could damage the transmitter and may
violate FCC regulations. – Operation is subject to the following two
conditions:1. 1) This device may not cause interfer- ence and
2.2) this device must accept any interfer- ence, including interference that may
cause undesired operation of the
device.
IC Regulatory information
– Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must ac-
cept any interference, including interfer-
ence that may cause undesired opera-
tion of the device.
– This Class B digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regu-
lations.BLUETOOTH® is a
trademark owned by
Bluetooth SIG, Inc. and
licensed to Bosch.
4-98
Monitor, climate, audio, phone and voice recognition systems

5 Starting and driving
Precautions when starting and driving..........5-2
Exhaust gas (carbon monoxide) ..............5-2
Three-way catalyst ...........................5-3
Tire Pressure Monitoring System
(TPMS) .......................................5-3
On-pavement and off-road driving
precautions ..................................5-6
Avoiding collision and rollover ................5-6
Off-roadrecovery ............................5-7
Rapid air pressure loss .......................5-7
Drinking alcohol/drugs and driving ...........5-8
Driving safety precautions ....................5-8
Push-button ignition switch ....................5-10
Operating range ............................. 5-11
Push-button ignition switch positions ........5-11
Emergency engine shut off ..................5-12
NISSAN Intelligent Key® battery
discharge ................................... 5-12
NISSAN Vehicle Immobilizer System .........5-13
Before starting the engine .....................5-13
Starting the engine ............................. 5-13
Driving the vehicle .............................. 5-14
Automatic transmission (A/T) ...............5-14
Parking brake .................................. 5-19
Cruise control .................................. 5-19
Precautions on cruise control ...............5-19Cruise control operations
...................5-20
Break-in schedule .............................. 5-21
Fuel efficient driving tips ........................5-21
Increasing fuel economy .......................5-23
Using 4–Wheel Drive (4WD)
(if so equipped) ................................. 5-23
Transfer case shif ting procedures ...........5-24
Electronic locking rear differential (E-Lock)
system (if so equipped) ......................... 5-29
Parking/parking on hills ........................5-31
Power steering ................................. 5-32
Brake system .................................. 5-32
Brake precautions ........................... 5-32
Anti-lock Braking System (ABS) ..............5-33
Active Brake Limited Slip (ABLS) system ........5-34
Vehicle Dynamic Control (VDC) system .........5-35
Brake force distribution .....................5-36
Hill descent control system (if so equipped) ....5-37
Hill start assist system (if so equipped) .........5-38
Rear Sonar System (RSS) (if so equipped) .......5-39
Cold weather driving ........................... 5-40
Freeing a frozen door lock ...................5-40
Antifreeze ................................... 5-40
Battery...................................... 5-40
Draining of coolant water ...................5-40

•Always use tires of the same type,
size, brand, construction (bias, bias-
belted, or radial), and tread pattern
on all four wheels. Install tire chains
on the rear wheels when driving on
slippery roads and drive carefully.
• Be sure to check the brakes immedi-
ately af ter driving in mud or water.
For additional information, refer to
“Wet brakes” in this section.
• Avoid parking your vehicle on steep
hills. If you get out of the vehicle and
it rolls forward, backward or side-
ways, you could be injured.
• Whenever you drive off-road through
sand, mud or water as deep as the
wheel hub, more frequent mainte-
nance may be required. For addi-
tional information, refer to “Mainte-
nance under severe operating
conditions” in the “Maintenance and
schedules” section of this manual.
WARNING
Do not operate the push-button igni-
tion switch while driving the vehicle ex-
cept in an emergency. (The engine will
stop when the ignition switch is pushed
three consecutive times in quick suc-
cession or the ignition switch is pushed
and held for more than 2 seconds.) If
the engine stops while the vehicle is
being driven, this could lead to a crash
and serious injury. When the ignition switch is pushed without
depressing the brake pedal, the ignition
switch position will illuminate as follows:
Push center:
• Once to change to ACC.
• Two times to change to ON.
• Three times to return to OFF.
The ignition switch will automatically re-
turn to the LOCK position when any door is
either opened or closed with the switch in
the OFF position.
The shif t lever can be moved from the P
(Park) position if the ignition switch is in
the ON position and the brake pedal is
depressed.
If the battery of the vehicle is discharged,
the ignition switch cannot be moved
from the LOCK position.
Some indicators and warnings for opera-
tion are displayed in the meter. For addi-
tional information, refer to “Warning lights,
indicator lights and audible reminders” in
the “Instruments and controls” section of
this manual.
LSD3828
PUSH-BUTTON IGNITION SWITCH

OPERATING RANGE
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range.
When the Intelligent Key battery is almost
discharged or strong radio waves are pres-
ent near the operating location, the Intelli-
gent Key system’s operating range becomes
narrower and may not function properly.
If the Intelligent Key is within the operating
range, it is possible for anyone, even some-
one who does not carry the Intelligent Key,
to push the ignition switch to start the en-
gine.The operating range of the engine start
function is inside of the vehicle
O1.
• The luggage area is not included in the operating range, but the Intelligent Key
may function.
• If the Intelligent Key is placed on the in- strument panel or inside the glove box,
storage bin or door pocket, the Intelligent
Key may not function.
• If the Intelligent Key is placed near the door or window outside the vehicle, the
Intelligent Key may function.
PUSH-BUTTON IGNITION SWITCH
POSITIONS
LOCK (Normal parking position)
The ignition switch can only be locked in
this position.
The ignition switch will be unlocked when it
is pushed to the ON position while carrying
the Intelligent Key.
The ignition switch will lock when any door
is opened or closed with the ignition
switched off. ON (Normal operating position)
This position turns on the ignition system
and electrical accessories.
ON has a battery saver feature that will turn
the ignition switch to the OFF position, if the
vehicle is not running, af ter some time un-
der the following conditions:
• All doors are closed.
• The shif t lever is in P (Park).
The battery saver feature will be canceled if
any of the following occur:
• Any door is opened.
• The shif t lever is moved out of the P (Park)
position.
• The ignition switch changes position.
LSD3854

AUTO ACC:
With the vehicle in the P (Park) position, the
Intelligent Key with you, and the ignition
switch placed from the ON to the OFF po-
sition, the radio can still be used for a period
of time, or until the driver’s door is opened.
Af ter a period of time, functions such as
radio, navigation, and Bluetooth® Hands-
Free Phone System may be restarted by
pressing the “ON-OFF button/VOLUME
control knob” or the key fob unlock button.
For additional information, refer to “Monitor,
climate, audio, phone and voice recogni-
tion systems” in this manual.
EMERGENCY ENGINE SHUT OFF
To shut off the engine in an emergency
situation while driving, perform the follow-
ing procedure:
• Rapidly push the ignition switch threeconsecutive times in less than 1.5 sec-
onds, or
• Push and hold the ignition switch for more than 2 seconds.
NISSAN INTELLIGENT KEY®
BATTERY DISCHARGE
If the battery of the NISSAN Intelligent Key®
is discharged or environmental conditions
interfere with the Intelligent Key operation,
start the engine according to the following
procedure:
1. Place the shif t lever in the P (Park) position.
2. Firmly apply the foot brake. 3. Touch the ignition switch with the Intel-
ligent Key as illustrated. (A chime will
sound.)
Af ter step 3 is performed, when the igni-
tion switch is pushed without depress-
ing the brake pedal, the ignition switch
position will change to the ACC position.
4. Push the ignition switch while depress- ing the brake pedal within 10 seconds
af ter the chime sounds. The engine will
start.
NOTE:
• When the ignition switch is pushed tothe ACC or ON position or the engine is
started by the above procedure, the In-
telligent Key battery discharge warn-
ing light appears in the meter even
when the Intelligent Key is inside the
vehicle. This is not a malfunction. To
turn off the Intelligent Key battery dis-
charge warning light, touch the igni-
tion switch with the Intelligent Key
again.
• If the Intelligent Key battery discharge warning light appears, replace the bat-
tery as soon as possible. For additional
information, refer to “Battery replace-
ment” in the “Do-it-yourself ” section of
this manual.
5-12Starting and driving

FREEING A FROZEN DOOR LOCK
To prevent a door lock from freezing, apply
de-icer through the key hole. If the lock
becomes frozen, heat the key before in-
serting it into the key hole or use the re-
mote keyless entry key fob (if so equipped).
ANTIFREEZE
In the winter when it is anticipated that the
temperature will drop below 32°F (0°C),
check the antifreeze to assure proper win-
ter protection. For additional information,
refer to “Engine cooling system” in the “Do-
it-yourself ” section of this manual.
BATTERY
If the battery is not fully charged during ex-
tremely cold weather conditions, the battery
fluid may freeze and damage the battery. To
maintain maximum efficiency, the battery
should be checked regularly. For additional
information, refer to “Battery” in the “Do-it-
yourself ” section of this manual.
DRAINING OF COOLANT WATER
If the vehicle is to be lef t outside without
antifreeze, drain the cooling system, includ-
ing the engine block. Refill before operating
the vehicle. For additional information, refer
to “Changing engine coolant” in the “Do-it-
yourself ” section of this manual.
TIRE EQUIPMENT
1. SUMMER tires have a tread designed toprovide superior performance on dry
pavement. However, the performance of
these tires will be substantially reduced
in snowy and icy conditions. If you oper-
ate your vehicle on snowy or icy roads,
NISSAN recommends the use of MUD &
SNOW or ALL SEASON TIRES on all four
wheels. It is recommended that you visit
a NISSAN dealer for the tire type, size,
speed rating and availability information.
2. For additional traction on icy roads, studded tires may be used. However,
some U.S. states and Canadian prov-
inces prohibit their use. Check local,
state and provincial laws before install-
ing studded tires.
Skid and traction capabilities of studded
snow tires on wet or dry surfaces may be
poorer than that of non-studded snow
tires.
3. Tire chains may be used. For additional information, refer to “Tire chains” in the
“Do-it-yourself ” section of this manual.
SPECIAL WINTER EQUIPMENT
It is recommended that the following items
be carried in the vehicle during winter:
• A scraper and stiff-bristled brush to re-move ice and snow from the windows
and wiper blades.
• A sturdy, flat board to be placed under the jack to give it firm support.
• A shovel to dig the vehicle out of snow- drif ts.
• Extra washer fluid to refill the windshield- washer fluid reservoir.
DRIVING ON SNOW OR ICE

WARNING
Always follow the instructions below.
Failure to do so could result in damage
to the charging system and cause per-
sonal injury.
1. If the booster battery is in another ve- hicle, position the 2 vehicles to bring their
batteries near each other.
Do not allow the two vehicles to touch.
2. Apply the parking brake. Move the shif t lever to P (Park). Switch off all unneces-
sary electrical systems (lights, heater, air
conditioner, etc.). 3. Connect the jumper cables in the se-
quence illustrated (OA,OB,OC,OD).
LCE2223
6-12In case of emergency

When performing any inspection or main-
tenance work on your vehicle, always take
care to prevent serious accidental injury to
yourself or damage to the vehicle. The fol-
lowing are general precautions which
should be closely observed.
CAUTION
• Do not work under the hood while
the engine is hot. Turn the engine off
and wait until it cools down.
•
Avoid contact with used engine oil and
coolant. Improperly disposed engine
oil, engine coolant and/or other ve-
hicle fluids can damage the environ-
ment. Always conform to local regula-
tions for disposal of vehicle fluid.
• Never leave the engine or the trans-
mission related component harness
connector disconnected while the ig-
nition switch is in the ON position. •
Never connect or disconnect the bat-
tery or any transistorized compo-
nent while the ignition switch is in
the ON position.
This “Do-it-yourself ” section gives instruc-
tions regarding only those items which are
relatively easy for an owner to perform.
A Genuine NISSAN service manual is also
available. For additional information, refer
to “Owner's Manual/Service Manual order
information” in the “Technical and con-
sumer information” section of this manual.
NISSAN recommends the use of Genuine
NISSAN parts or equivalent. The use of parts
that do not meet or exceed NISSAN specifica-
tions, can cause damage to your vehicle, and
have an effect on your warranty coverage. It is
recommended that you visit a NISSAN dealer
parts department who can provide informa-
tion on the proper parts for your vehicle.
You should be aware that incomplete or
improper servicing may result in operating
difficulties or excessive emissions, and
could affect warranty coverage. If in doubt
about any servicing, it is recommended
that you have it done by a NISSAN dealer.
NOTE:
If the battery is dead the transmission will
not manually shif t into other positions.
MAINTENANCE PRECAUTIONS
8-2Do-it-yourself