2023 NISSAN ALTIMA key battery

FOLDING REAR SEATInterior trunk access
The trunk can be accessed from the driver
side and passenger side of the rear seat for
loading and unloading, as shown.
1. Move the front passenger seat to themost forward position. 2. Open the access cover on the rear par-
cel shelf.
3. Insert a key or another suitable tool (such as a pen or a screw driver) into the
slot, then slide the recessed lever in the
direction of the arrow
O1.
4. Fold down the passenger's side seat- back
O2.
NOTE:
To access the trunk in case of a dead
battery, use a key or another suitable
tool (such as a pen or screw driver), to
slide recessed lever in the direction of
the arrow.
WARNING
• Never allow anyone to ride in the
cargo area or on the rear seat when it
is in the fold-down position. Use of
these areas by passengers without
proper restraints could result in seri-
ous injury or death in an accident or
sudden stop.
LRS3286
\
LRS3157
1-6Safety-Seats, seat belts and supplemental restraint system

VEHICLE INFORMATION DISPLAY
WARNINGS AND INDICATORS
The following messages may appear in
your vehicle information display.
Engine start operation for
Intelligent Key system (if
I-Key battery level is low)
This indicator appears when the battery of
the Intelligent Key is low and when the In-
telligent Key system and the vehicle are not
communicating normally.
If this appears, touch the ignition switch
with the Intelligent Key while depressing
the brake pedal. For additional information,
see “Battery replacement” (P. 5-15).
Key Battery Low
This indicator appears when the Intelligent
Key battery is running out of power.
If this indicator appears, replace the bat-
tery with a new one. For additional infor-
mation, see “Battery replacement” (P. 8-23).
Key ID Incorrect
This warning appears when the ignition
switch is placed from the OFF position and
the Intelligent Key is not recognized by the
system. You cannot start the engine with
an unregistered key.
For additional information, see “NISSAN In-
telligent Key®” (P. 3-7).
Key System Error: See
Owner’s Manual
Af ter the ignition switch is placed in the ON
position, this warning appears for a period
of time and then turns off.
The Key System Error message warns of a
malfunction with the Intelligent Key sys-
tem. If the warning appears while the en-
gine is stopped, it may be impossible to
start the engine.
If the warning appears while the engine is
running, you can drive the vehicle. However,
in these cases, have the system checked. It
is recommended that you visit a NISSAN
dealer for this service.
No Key Detected
This warning appears when the Intelligent
Key is lef t outside the vehicle with the igni-
tion switch in the ON position. Make sure
the Intelligent Key is inside the vehicle.
For additional information, see “NISSAN In-
telligent Key®” (P. 3-2).
Brightness indicator
This indicator appears when the vehicle
information display screen brightness is
being adjusted.
Alarm— Time for a driver
break
This indicator appears when the set time is
reached. The time can be set up to six
hours. For additional information, see “Set-
tings” (P. 2-21).
Chassis Control System Error: See
Owner’s Manual
This warning appears if there is an error in
the Automatic Brake Hold system. Have the
system checked. It is recommended that
you visit a NISSAN dealer for this service. For
additional information, see “Chassis con-
trol” (P. 5-178) or “Automatic brake hold”
(P. 5-27).
2-28Instruments and controls

VEHICLE INFORMATION DISPLAY
WARNINGS AND INDICATORS
The following messages may appear in
your vehicle information display.
Place the key near the start
switch
This indicator appears when the battery of
the Intelligent Key is low and when the In-
telligent Key system and the vehicle are not
communicating normally.
If this appears, touch the ignition switch
with the Intelligent Key while depressing
the brake pedal. For additional information,
see “Battery replacement” (P. 8-23).
Key Battery Low
This indicator appears when the Intelligent
Key battery is running out of power.
If this indicator appears, replace the bat-
tery with a new one. For additional infor-
mation, see “Battery replacement” (P. 8-23).
Key ID Incorrect
This warning appears when the ignition
switch is placed from the OFF position and
the Intelligent Key is not recognized by thesystem. You cannot start the engine with
an unregistered key.
For additional information, see “NISSAN In-
telligent Key®” (P. 3-7).
Key System Error: See
Owner’s Manual
Af ter the ignition switch is placed in the ON
position, this warning appears for a period
of time and then turns off.
The Key System Error message warns of a
malfunction with the Intelligent Key sys-
tem. If the warning appears while the en-
gine is stopped, it may be impossible to
start the engine.
If the warning appears while the engine is
running, you can drive the vehicle. However,
in these cases, have the system checked. It
is recommended that you visit a NISSAN
dealer for this service.
No Key Detected
This warning appears when the Intelligent
Key is lef t outside the vehicle with the igni-
tion switch in the ON position. Make sure
the Intelligent Key is inside the vehicle.
For additional information, see “NISSAN In-
telligent Key®” (P. 3-7).
Brightness indicator
This indicator appears when the vehicle
information display screen brightness is
being adjusted.
Chassis Control System Error: See
Owner’s Manual
This warning appears if there is an error in
the Automatic Brake Hold system. Have the
system checked. It is recommended that
you visit a NISSAN dealer for this service. For
additional information, see “Chassis con-
trol” (P. 5-178) or “Automatic brake hold”
(P. 5-27).
Rear Door Alert is activated
When the system is enabled, this message
appears when the Rear Door Alert system
is active and can remind the driver to check
the back seat.
• Using the steering wheel switch, a driver
can select “Dismiss Message” to clear the
display for a period of time. If no selection
is made, this message automatically
turns off af ter a period of time.
• Using the steering wheel switch, a driver can select “Disable Alert” to disable the
horn alert for the remainder of the cur-
rent trip.
Instruments and controls2-45

In such cases, correct the operating condi-
tions before using the Intelligent Key func-
tion or use the mechanical key.
Although the life of the battery varies de-
pending on the operating conditions, the
battery’s life is approximately two years. If
the battery is discharged, replace it with a
new one.
When the Intelligent Key battery is low, an
indicator illuminates in the vehicle informa-
tion display. For additional information, see
“Vehicle information display - 5 inch (13 cm)
Type A (if so equipped)” (P. 2-18) or “Vehicle
information display - 7 inch (18 cm) Type B (if
so equipped)” (P. 2-34).
Since the Intelligent Key is continuously re-
ceiving radio waves, if the key is lef t near
equipment which transmits strong radio
waves, such as signals from a TV and per-
sonal computer, the battery life may be-
come shorter.
For additional information, see “Battery re-
placement” (P. 8-23).
As many as four Intelligent Keys can be
registered and used with one vehicle. For
information about the purchase and use of
additional Intelligent Keys, it is recom-
mended that you visit a NISSAN dealer.CAUTION
Listed below are conditions or occur-
rences which will damage the Intelli-
gent Key:
• Do not allow the Intelligent Key,
which contains electrical compo-
nents, to come into contact with wa-
ter or salt water. This could affect the
system function.
• Do not drop the Intelligent Key.
• Do not strike the Intelligent Key
sharply against another object.
• Do not change or modif y the Intelli-
gent Key.
• Wetting may damage the Intelligent
Key. If the Intelligent Key gets wet,
immediately wipe until it is com-
pletely dry.
• Do not place the Intelligent Key for an
extended period in an area where
temperatures exceed 140°F (60°C).
• Do not attach the Intelligent Key with
a key holder that contains a magnet.
• Do not place the Intelligent Key near
equipment that produces a magnetic
field, such as a TV, audio equipment
and personal computers. If an Intelligent Key is lost or stolen, NISSAN
recommends erasing the ID code of that
Intelligent Key from the vehicle. This may
prevent the unauthorized use of the Intelli-
gent Key to operate the vehicle. For infor-
mation regarding the erasing procedure, it
is recommended that you visit a NISSAN
dealer.
3-8Pre-driving checks and adjustments

OPERATING RANGE
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range from the request
switch
O1.When the Intelligent Key battery is dis-
charged or strong radio waves are present
near the operating location, the Intelligent
Key system’s operating range becomes
narrower, and the Intelligent Key may not
function properly.
The operating range is within 31.50 in (80
cm) from each request switch
O1.
If the Intelligent Key is too close to the door
glass, handle or rear bumper, the request
switches may not function.
When the Intelligent Key is within the oper-
ating range, it is possible for anyone, even
someone who does not carry the Intelli-
gent Key, to push the request switch to
lock/unlock the doors.
DOOR LOCKS/UNLOCKS
PRECAUTION
• Do not push the door handle request switch with the Intelligent Key held in your
hand as illustrated. The close distance to
the door handle will cause the Intelligent
Key system to have difficulty recognizing
that the Intelligent Key is outside the
vehicle.
• Af ter locking with the door handle re- quest switch, verif y the doors are se-
curely locked by testing them.
LPD2864
LPD2554
Pre-driving checks and adjustments3-9

HOW TO USE THE REMOTE
KEYLESS ENTRY FUNCTION
1.(remote engine start) button
2.
(lock) button
3.
(unlock) button
4.
(trunk) button
5.
(panic) button 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 doors or the trunk are open or not closed securely.
• 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 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.
LPD3603
3-14Pre-driving checks and adjustments

To deactivate:
Press and hold theandbut-
tons for at least 4 seconds. The hazard
indicator lights will flash three times to con-
firm that the answer back horn feature has
been deactivated.
To activate:
Press and hold the
andbut-
tons for at least 4 seconds once more.
The hazard indicator lights will flash once
and the horn will sound once to confirm
that the horn beep feature has been
reactivated.
Deactivating the horn beep feature does
not silence the horn if the alarm is
triggered.
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.
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, see
“Battery replacement” (P. 8-23).
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
buzzer sounds from inside and outside the
vehicle and a warning is displayed in the
instrument 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, see “Trouble-
shooting guide” (P. 3-16) and “Vehicle infor-
mation display - 5 inch (13 cm) Type A (if so
equipped)” (P. 2-18) or “Vehicle information
display - 7 inch (18 cm) Type B (if so
equipped)” (P. 2-34).
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.
LPD2836
3-16Pre-driving checks and adjustments

SymptomPossible CauseRemedy
When pushing the ignition switch to
start the engine The “Key Battery Low” indicator ap-
pears in the display.
The battery charge is low.Replace the battery with a new one.
For additional information, see “Battery
replacement” (P. 8-23).
The “Key ID Incorrect” warning appears
in the display, the outside chime
sounds three times and the inside
warning chime sounds for approxi-
mately 3 seconds. The Intelligent Key is not in the vehicle. Carry the Intelligent Key with you.
When pressing the ignition switch The “Key System Error: See Owner’s
Manual” warning appears on the dis-
play. It warns of a malfunction with the Intel-
ligent Key system.
It is recommended that you visit a
NISSAN dealer.
3-18Pre-driving checks and adjustments