2021 NISSAN MAXIMA check engine

WARNING
Do not use or allow occupants to use
the seat heater if you or the occupants
cannot monitor elevated seat tem-
peratures or have an inability to feel
pain in body parts that contact the
seat. Use of the seat heater by such
people could result in serious injury.
CAUTION
• The battery could run down if the
seat heater is operated while the en-
gine is not running.
• Do not use the seat heater for ex-
tended periods or when no one is us-
ing the seat.
• Do not put anything on the seat
which insulates heat, such as a blan-
ket, cushion, seat cover, etc. Other-
wise, the seat may become
overheated.
• Do not place anything hard or heavy
on the seat or pierce it with a pin or
similar object. This may result in
damage to the heater.
• Any liquid spilled on the heated seat
should be removed immediately with
a dry cloth.
• When cleaning the seat, never use
gasoline, benzine, thinner, or any
similar materials.
• If any malfunctions are found or the
heated seat does not operate, turn
the switch off and have the system
checked. It is recommended you visit
a NISSAN dealer for this service. The rear seats are warmed by built-in heat-
ers. The switches are located on the rear of
the front center console and can be oper-
ated independently of each other.
1. Start the engine.
2. Push the LO or HI position of the switch,
as desired. The indicator light in the
switch will illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and
off. The indicator light will remain on as
long as the switch is on.
3. When the seat is warmed or before you leave the vehicle, be sure to turn the
switch off.
LIC3037
HEATED REAR SEAT SWITCHES (if so
equipped)
Instruments and controls2-55

3 Pre-driving checks and adjustments
Keys.............................................3-2NISSAN Intelligent Key® .......................3-2
NISSAN Vehicle Immobilizer System
keys..........................................3-4
Doors ...........................................3-4
Locking with key .............................3-5
Locking with power door lock switch .........3-6
Automatic door locks ........................3-6
Child safety rear door lock ....................3-6
NISSAN Intelligent Key® .......................... 3-7
Operating range .............................3-8
Door locks/unlocks precaution ...............3-8
NISSAN Intelligent Key® Operation ............3-9
How to use the remote keyless entry
function ..................................... 3-13
Warning signals ............................. 3-15
Troubleshooting guide ......................3-16
Remote Engine Start ........................... 3-18
Remote Engine Start operating range .......3-18
Remote starting the vehicle .................3-18
Extending engine run time ..................3-19
Canceling a Remote Engine Start ...........3-19
Conditions the Remote Engine Start will
notwork .................................... 3-19Hood
........................................... 3-20
Trunk lid ........................................ 3-21
Opener operation ........................... 3-21
Interior trunk lid release .....................3-21
Interior trunk access ........................ 3-22
Fuel-filler door .................................. 3-22
Opening the fuel-filler door ..................3-22
Fuel-filler cap ................................ 3-23
Steering wheel ................................. 3-24
Manual operation (if so equipped) ...........3-25
Automatic operation (if so equipped) ........3-25
Sun visors ...................................... 3-26
Vanity mirrors ............................... 3-27
Mirrors ......................................... 3-27
Automatic anti-glare rearview mirror ........3-27
Outside mirrors ............................. 3-28
Memory seat (if so equipped) ...................3-30
Memory storage function (key-link) ..........
3-30
Memor

y storage function (switch) ...........3-31
Entry/exit function .......................... 3-32
System operation ........................... 3-32

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 33 f t (10 m) away from the ve-hicle. The operating distance depends
upon the conditions around the vehicle.
The remote keyless entry function will not
function under the following conditions:
• When the Intelligent Key is not within the
operational range.
• When the Intelligent Key battery is discharged.
CAUTION
When locking the doors using the Intel-
ligent Key, be sure not to leave the key
in the vehicle.
Locking doors
1. Place the ignition switch in the LOCK position.
2. Close all doors.
3. Press the
button on the Intelli-
gent Key.
4. The hazard indicator lights flash twice and the horn beeps once.
5. All doors and the trunk will be locked.
WARNING
Af ter locking the doors using the Intel-
ligent Key, be sure that the doors have
been securely locked by operating the
door handles. Failure to follow these in-
structions may result in inadvertently
unlocking the doors, which may de-
crease the safety and security of your
vehicle.
Unlocking doors
1. Press thebutton on the Intelligent
Key.
2. The hazard indicator lights flash once and the driver’s door will unlock.
3. Press the
button again within 1
minute to unlock all doors and trunk.
NOTE:
The Selective Unlock feature can be
changed using the “Vehicle Settings”
menu on the vehicle information display.
For additional information, see “Vehicle
information display ” (P. 2-17).
LPD3603
1.(remote engine start) button
2.
(lock) button
3.
(unlock) button
4.
(trunk) button
5.
(panic) button
Pre-driving checks and adjustments3-13

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 ve-
hicle, the vehicle system may respond dif-
ferently than expected.
SymptomPossible CauseRemedy
When pushing the ignition switch to
stop the engine The Shif t to Park warning appears on
the vehicle information display and the
inside warning chime sounds continu-
ously. 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/Trunk Open warning ap-
pears on the display and the inside
warning chime sounds continuously. The ignition switch is in the ACC posi-
tion.
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 No Key Detected warning appears
on the vehicle information display, the
outside chime sounds three times and
the inside warning chime sounds for
approximately three seconds.
The Intelligent Key is not detected in-
side of the vehicle.
Place the ignition switch in the OFF
position.
The Rear Door Alert warning message
appears on the display, the horn
sounds three times twice, or a Check
Back Seat For Articles warning appears
on the display. The Rear Door Alert is activated
Check the back seat for all articles,
press the OK button to clear the Rear
Door Alert warning message.
The Shif t to Park warning appears on
the vehicle information display and the
inside and outside chimes sound con-
tinuously. The ignition switch is in the ACC or OFF
position and the shif t lever is not in the
P (Park) position.
Move the shif t lever to the P (Park) po-
sition.
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.
3-16Pre-driving checks and adjustments

SymptomPossible CauseRemedy
When pushing the door handle re-
quest switch to lock the door The outside chime sounds for approxi-
mately three seconds.
The Intelligent Key is inside the vehicle. Carry the Intelligent Key with you.
When pushing the ignition switch to
start the engine The Key Battery Low indicator appears
on the display.
The battery charge is low.Replace the battery with a new one.
For additional information, see “Battery
replacement” (P. 8-21).
The Key ID Incorrect warning appears
on the vehicle information display. The Intelligent Key is not detected in-
side of the vehicle.Carry the registered Intelligent Key
with you.
When closing the trunk lid The outside chime sounds for approxi-
mately 10 seconds and the trunk lid
opens. The Intelligent Key is inside the trunk. Carry the Intelligent Key with you.
Pre-driving checks and adjustments3-17

Thebutton will be on the NISSAN
Intelligent Key® if the vehicle has Remote
Engine Start. This feature allows the engine
to start from outside the vehicle.
Vehicles with an automatic climate control
system will default to either heating or
cooling mode. For additional information,
see “Remote Engine Start with Intelligent
Climate Control” (P. 4-29).
Laws in some local communities may re-
strict the use of remote starters. For ex-
ample, some laws require a person using
Remote Engine Start to have the vehicle in
view. Check local regulations for any
requirements. Other conditions may affect the function of
the Remote Engine Start feature. For addi-
tional information, see “Conditions the Re-
mote Engine Start will not work” (P. 3-19).
Other conditions can affect the perfor-
mance of the Intelligent Key transmitter.
For additional information, see “NISSAN In-
telligent Key®” (P. 3-2).
REMOTE ENGINE START
OPERATING RANGE
WARNING
To help avoid risk of injury or death
through unintended operation of the
vehicle and/or its systems, including
entrapment in windows or inadvertent
door lock activation, do not leave chil-
dren, people who require the assis-
tance of others or pets unattended in
your vehicle. Additionally, the tempera-
ture inside a closed vehicle on a warm
day can quickly become high enough
to cause a significant risk of injury or
death to people and pets.
CAUTION
When the Intelligent Key battery is dis-
charged or other strong radio wave
sources are present near the operating
location, the Intelligent Key operating
range becomes narrower, and the Intel-
ligent Key may not function properly.
The Remote Engine Start function can only
be used when the Intelligent Key is within
the specified operating range from the
vehicle.
The Remote Engine Start operating range
is approximately 197 f t (60 m) from the
vehicle.
REMOTE STARTING THE VEHICLE
To use the Remote Engine Start feature
perform the following:
1. Aim the Intelligent Key at the vehicle.
2. Press the
button to lock all doors.
3. Within 5 seconds press and hold the
button until the turn signal lights
flash and the tail lamps turn on. If the
vehicle is not within view press and hold
the
button for at least 2 seconds.
LPD2995
REMOTE ENGINE START
3-18Pre-driving checks and adjustments

The following events will occur when the
engine starts:
• The parking lights will turn on and remainon as long as the engine is running.
• The doors will be locked and the climate control system may come on.
• The engine will continue to run for 10 min- utes. Repeat the steps to extend the time
for an additional 10 minutes. For addi-
tional information, see “Extending engine
run time” (P. 3-19).
Press and hold the brake pedal while
switching the ignition to the ON position
before driving. For additional information,
see “Driving the vehicle” (P. 5-16).
EXTENDING ENGINE RUN TIME
The Remote Engine Start feature can be
extended one time by performing the
steps listed in “Remote starting the vehicle”
in this section. Run time will be calculated
as follows:
• The first 10 minute run time will start when the Remote Engine Start function is
performed. • The second 10 minutes will start immedi-
ately when the Remote Engine Start
function is performed again. For example,
if the engine has been running for 5 min-
utes, and 10 minutes are added, the en-
gine will run for a total of 15 minutes.
• Extending engine run time will bring you to the two Remote Engine Start limit.
A maximum of two Remote Engine Starts,
or a single Remote Engine Start with an
extension, are allowed between ignition
cycles. The ignition switch must be cycled
to the ON position and then back to the
OFF position before the Remote Engine
Start procedure can be used again.
CANCELING A REMOTE ENGINE
START
To cancel a Remote Engine Start, perform
one of the following:
• Aim the Intelligent Key at the vehicle and press
until the parking lights turn off.
• Turn on the hazard warning flashers.
• Cycle the ignition switch on and then off.
• The extended engine run time has expired.
• The first 10 minute timer has expired.
• Opening the engine hood.
• Shif ting the vehicle out of P (Park). • The alarm sounds due to illegal entry into
the vehicle.
• Pushing the ignition switch without the Intelligent Key in the vehicle.
• Not pressing the brake pedal while press- ing the ignition switch with the Intelligent
Key in the vehicle.
CONDITIONS THE REMOTE ENGINE
START WILL NOT WORK
The Remote Engine Start will not operate if
any of the following conditions are present:
• The ignition switch is placed in the ONposition.
• The hood is not securely closed.
• The hazard indicator lights are on.
• The engine is still running. The engine must be completely stopped. Wait at
least 6 seconds if the engine goes from
running to off. This is not applicable when
extending engine run time.
• The
button is not pressed and held
for at least 2 seconds.
• The
button is not pressed and held
within 5 seconds of pressing the lock
button.
• The brake is pressed.
• The doors are not closed and locked.
Pre-driving checks and adjustments3-19

• The trunk is open.
• The Key System Fault warning messageappears in the vehicle information
display.
• The alarm sounds due to illegal entry into the vehicle.
• Two Remote Engine Starts, or a single Remote Engine Start with an extension,
have already been used.
• The vehicle is not in P (Park).
• There is a detected registered key already inside of the vehicle.
• The Remote Engine Start feature has been switched to the OFF position using
the “Vehicle Settings” menu on the vehicle
information display. For additional infor-
mation, see “Vehicle information display”
(P. 2-17).
The Remote Engine Start may display a
warning or indicator in the vehicle informa-
tion display. For additional information, see
“Vehicle information display” (P. 2-17).
1Pull the hood lock release handle lo-
cated below the driver side instrument
panel. The hood will spring up slightly.
2Push the lever at the front of the hood
to the side as illustrated with your fin-
gertips and raise the hood.
When closing the hood, lower it slowly and
make sure it locks into place.
WARNING
• Make sure the hood is completely
closed and latched before driving.
Failure to do so could cause the hood
to fly open and result in an accident.
• If you see steam or smoke coming
from the engine compartment, to
avoid injury do not open the hood.
LPD2613
HOOD
3-20Pre-driving checks and adjustments