2021 NISSAN ALTIMA service

If any of the following conditions occur, the
front air bag, side air bag, curtain air bag,
knee air bag and pretensioner systems
need servicing:∙ The supplemental air bag warning light remains on af ter approximately 7 sec-
onds.
∙ The supplemental air bag warning light flashes intermittently.
∙ The supplemental air bag warning light does not come on at all.
Under these conditions, the front air bag,
side air bag, curtain air bag, knee air bag or
pretensioner systems may not operate
properly. They must be checked and re-
paired. It is recommended that you visit a
NISSAN dealer for this service.

∙ If there is an impact to your vehiclefrom any direction, your Occupant
Classification Sensor (OCS) should be
checked to verif y it is still functioning
correctly. It is recommended that you
visit a NISSAN dealer for this service.
The OCS should be checked even if no
air bags deploy as a result of the im-
pact. Failure to verif y proper OCS
function may result in an improper air
bag deployment resulting in injury or
death.
Safety—Seats, seat belts and supplemental restraint system1-69

It is recommended that you visit a NISSAN
dealer for this service.

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 pressure.
The “Tire Pressure Low - Add Air” 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.
For additional information, refer to “Vehicle
information display” in this section, “Tire
Pressure Monitoring System (TPMS)” in the
“Starting and driving” and “In case of emer-
gency” sections of this manual.
TPMS malfunction
If the TPMS is not functioning properly, the
low tire pressure warning light will flash for
approximately 1 minute when the ignition
switch is placed in the ON position. The
light will remain on af ter 1 minute. Have the
system checked. It is recommended that
you visit a NISSAN dealer for this service.
The "Tire Pressure Low — Add Air" warning
does not appear if the low tire pressure
warning light illuminates to indicate a
TPMS malfunction.For additional information, refer to “Tire
Pressure Monitoring System (TPMS)” in the
“Starting and driving” section and “Tire
pressure” in the “Do-it-yourself ” section of
this manual.

∙ When replacing a wheel without theTPMS such as the spare tire, the TPMS
will not function and the low tire pres-
sure warning light will flash for ap-
proximately 1 minute. The light will re-
main on af ter 1 minute. Have your
tires replaced and/or TPMS system
reset as soon as possible. It is recom-
mended that you visit a NISSAN dealer
for these services.
∙ Replacing tires with those not origi- nally specified by NISSAN could affect
the proper operation of the TPMS.

Malfunction (if so equipped)
This warning appears when one or more of
the following systems (if so equipped) is
not functioning properly:∙ Automatic Emergency Braking (AEB)
∙ Automatic Emergency Braking (AEB) with Pedestrian Detection
∙ Intelligent Forward Collision Warning (I- FCW)
If one or more of these warning appears,
have the system checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
For additional information, refer to “Auto-
matic Emergency Braking (AEB)”, “Auto-
matic Emergency Braking (AEB) with Pe-
destrian Detection” or “Intelligent Forward
Collision Warning (I-FCW) in the “Starting
and driving” section of this manual.
Shipping Mode On Push Storage Fuse
This warning may appear if the extended
storage switch is not pushed in. When this
warning appears, push in the extended
storage switch to turn off the warning. For
additional information, refer to “Extended
storage switch” in this section. Not Available Parking Brake On (if so
equipped)
This message may appear when the Intel-
ligent Cruise Control (ICC) (for vehicles with
ProPILOT Assist) is engaged.
Under the following condition, the ICC (for
vehicles with ProPILOT Assist) system is au-
tomatically canceled:
∙ The electronic parking brake is applied.
The above system cannot be used when
the electronic parking is activated.
For additional information, refer to "Intelli-
gent Cruise Control (ICC) (for vehicles with
ProPILOT Assist)” and “Parking brake” in the
“Starting and driving” section of this
manual.
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 auto-
matically 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.

CVT (AT) Malfunction Service now (if so
equipped)
This warning illuminates when there is a
problem with the CVT system. If this warn-
ing comes on, have the system checked. It
is recommended that you visit a NISSAN
dealer for this service.
Service CVT (AT) Power reduced (if so
equipped)
This transmission has a high fluid tem-
perature protection mode. If the fluid tem-
perature becomes too high (for example,
climbing steep grades in high tempera-
tures with heavy loads, such as when tow-
ing a trailer), engine power and, under
some conditions, vehicle speed will be de-
creased automatically to reduce the
chance of transmission damage. Vehicle
speed can be controlled with the accelera-
tor pedal, but the engine and vehicle speed
may be reduced.

If the light still remains on and/or the
engine will not start, seek service for the
NISSAN Vehicle Immobilizer System as
soon as possible. Please bring all regis-
tered keys that you have. It is recom-
mended that you visit a NISSAN dealer
for this service.
SWITCH OPERATION