2018 NISSAN ALTIMA SV service

, located in the me-
ter and gauges area of the instrument
panel, will be illuminated (blinking or
steadily lit). Have the system checked. It isrecommended that you visit a NISSAN
dealer for this service.
Normal operation
In order for the occupant classification
sensor system to classif y the front passen-
ger based on weight, please follow the pre-
cautions and steps outlined below:
Precautions
∙ Make sure that there are no objects
weighing over 9.1 lbs. (4 kg) hanging on
the seat or placed in the seatback
pocket.
∙ Make sure that a child restraint or other
object is not pressing against the rear
of the seatback.
∙ Make sure that a rear passenger is not
pushing or pulling on the back of the
front passenger seat.
∙ Make sure that the front passenger
seat or seatback is not forced back
against an object on the seat or floor
behind it.
∙ Make sure that there is no object placed
under the front passenger seat.Steps
1. Adjust the seat as outlined in the “Seats”
section of this manual. Sit upright, lean-
ing against the seatback, and centered
on the seat cushion with your feet com-
fortably extended to the floor.
2. Make sure there are no objects on your
lap.
3. Fasten the seat belt as outlined in the
“Seat belts” section of this manual.
Front passenger seat belt buckle sta-
tus is monitored by the occupant clas-
sification system, and is used as an in-
put to determine occupancy status. So,
it is highly recommended that the front
passenger fasten their seat belt.
4. Remain in this position for 30 seconds
allowing the system to classif y the
front passenger before the vehicle is
put into motion.
5. Ensure proper classification by check-
ing the front passenger air bag status
light.

This manual was prepared to help you un-
derstand the operation and maintenance
of your vehicle so that you may enjoy many
miles (kilometers) of driving pleasure.
Please read through this manual before
operating your vehicle.
A separate Warranty Information Book-
let explains details about the warranties
covering your vehicle. The “Maintenance
and schedules” section of this manual
explains details about maintaining and
servicing your vehicle. Additionally, a
separate Customer Care/Lemon Law
Booklet (U.S. only) will explain how to re-
solve any concerns you may have with
your vehicle, and clarif y your rights un-
der your state’s lemon law.
When you require any service or have any
questions, a NISSAN dealer will be glad to
assist you with the extensive resources
available to them.
In addition to factory-installed options,
your vehicle may also be equipped with
additional accessories installed prior to de-
livery. It is recommended that you visit a
NISSAN dealer for details concerning the
particular accessories with which your ve-
hicle is equipped. It is important that you
familiarize yourself with all disclosures,warnings, cautions and instructions con-
cerning proper use of such accessories
prior to operating the vehicle and/or ac-
cessory. It is recommended that you visit a
NISSAN dealer for details concerning the
particular accessories with which your ve-
hicle is equipped.
Before driving your vehicle, please read this
Owner’s Manual carefully. This will ensure
familiarity with controls and maintenance
requirements assisting you in the safe op-
eration of your vehicle.

Operating, servicing and maintaining a
passenger vehicle or off-road vehicle
can expose you to chemicals including
engine exhaust, carbon monoxide,
phthalates, and lead, which are known
to the State of California to cause can-
cer and birth defects or other reproduc-
tive harm. To minimize exposure, avoid
breathing exhaust, do not idle the en-
gine except as necessary, service your
vehicle in a well-ventilated area and
wear gloves or wash your hands fre-
quently when servicing your vehicle.
For more information go to
www.P65Warnings.ca.gov.
CALIFORNIA PERCHLORATE
ADVISORY
Some vehicle parts, such as lithium bat-
teries, may contain perchlorate material.
The following advisory is provided: “Per-
chlorate Material – special handling may
apply. For additional information, refer to
www.dtsc.ca.gov/hazardouswaste/
perchlorate/”.

∙ Be sure the seat belt tongue is se-curely fastened to the proper buckle.
∙ Do not wear the seat belt inside out or twisted. Doing so may reduce its
effectiveness.
∙ Do not allow more than one person to use the same seat belt.
∙ Never carry more people in the vehicle than there are seat belts.
∙ If the seat belt warning light glows continuously while the ignition is
turned ON with all doors closed and all
seat belts fastened, it may indicate a
malfunction in the system. Have the
system checked. It is recommended
that you visit a NISSAN dealer for this
service.
∙ No changes should be made to the seat belt system. For example, do not
modif y the seat belt, add material, or
install devices that may change the
seat belt routing or tension. Doing so
may affect the operation of the seat
belt system. Modif ying or tampering
with the seat belt system may result
in serious personal injury. ∙ Once seat belt pretensioner(s) have
activated, they cannot be reused and
must be replaced together with the
retractor. It is recommended that you
visit a NISSAN dealer for this service.
∙ All seat belt assemblies, including re- tractors and attaching hardware,
should be inspected af ter any colli-
sion. It is recommended that you visit
a NISSAN dealer for this service.
NISSAN recommends that all seat belt
assemblies in use during a collision be
replaced unless the collision was mi-
nor and the belts show no damage
and continue to operate properly.
Seat belt assemblies not in use during
a collision should also be inspected
and replaced if either damage or im-
proper operation is noted.
∙ All child restraints and attaching hardware should be inspected af ter
any collision. Always follow the re-
straint manufacturer’s inspection in-
structions and replacement recom-
mendations. The child restraints
should be replaced if they are
damaged.
SEAT BELT WARNING LIGHT
Both the driver’s and passenger’s front
seats are equipped with a seat belt warn-
ing light. The warning light, located on the
instrument panel, will show the status of
the driver and passenger seat belt.
NOTE:
The front passenger seat belt warning
light will not light up if the seat is not
occupied.

WARNING
When fastening the seat belts, be cer-
tain that the seatbacks are completely
secured in the latched position. If they
are not completely secured, passengers
may be injured in an accident or sudden
stop.
Unfastening the seat belts
To unfasten the seat belt, press the button
on the buckle
1. The seat belt automati-
cally retracts.
Checking seat belt operation
Seat belt retractors are designed to lock
seat belt movement by two separate
methods:
∙ When the seat belt is pulled quickly from the retractor
∙ When the vehicle slows down rapidly To increase your confidence in the seat
belts, check the operation as follows:
∙ Grasp the shoulder belt and pull for- ward quickly. The retractor should lock
and restrict further belt movement.
If the retractor does not lock during this
check, get the system checked. It is recom-
mended that you visit a NISSAN dealer for
this service or to learn more about seat belt
operation.

1Top tether strap
2Anchor point
Installing top tether strap
The child restraint top tether strap must be
used when installing the child restraint with
the LATCH lower anchor attachments.
First, secure the child restraint with the
LATCH lower anchors (rear outboard posi-
tions only).Rear bench seat
OUTBOARD SEATING POSITIONS
1. Remove the head restraint/headrest (if so equipped) and store it in a secure
place. Be sure to reinstall the head
restraint/headrest (if so equipped)
when the child restraint is removed. For
additional information about head
restraint/headrest (if so equipped) ad-
justment, removal and installation, refer
to "Head restraints/headrests" in this
section.
2. Position the top tether strap
1over
the seatback.
3. Secure the tether strap to the tether anchor point
2as shown.
4. Tighten the tether strap according to the manufacturer’s instructions to re-
move any slack.
If you have any questions when install-
ing a top tether strap, it is recommended
that you visit a NISSAN dealer for this
service.

1Top tether strap
2Anchor point
Installing top tether strap
The child restraint top tether strap must be
used when installing the child restraint with
seat belts.
First, secure the child restraint with the seat
belt.Rear bench seat
OUTBOARD SEATING POSITIONS
1. Remove the head restraint/headrest (if so equipped) and store it in a secure
place. Be sure to reinstall the head
restraint/headrest (if so equipped)
when the child restraint is removed. For
additional information about head
restraint/headrest (if so equipped) ad-
justment, removal and installation, refer
to "Head restraints/headrests" in this
section.
2. Position the top tether strap
1over
the seatback.
3. Secure the tether strap to the tether anchor point
2as shown.
4. Tighten the tether strap according to the manufacturer’s instructions to re-
move any slack.
CENTER SEATING POSITION 1. Position the top tether strap
1over the
seatback.
2. Secure the tether strap to the tether anchor point
2as shown. 3. Tighten the tether strap according to
the manufacturer’s instructions to re-
move any slack.
If you have any questions when install-
ing a top tether strap, it is recommended
that you visit a NISSAN dealer for this
service.

NOTE:
A system check will be performed during
which the front passenger air bag status
light will remain lit for about 7 seconds
initially.
If the light is still ON af ter this, the person
should be advised not to ride in the front
passenger seat and the vehicle should be
checked as soon as possible. It is recom-
mended that you visit a NISSAN dealer for
this service.2. If the light is OFF with a small adult, child or child restraint occupying the
front passenger seat.
This may be due to the following con-
ditions that may be interfering with the
weight sensors:
∙ Small adult or child is not sitting upright, leaning against the seatback, and cen-
tered on the seat cushion with his/her
feet comfortably extended to the floor.
∙ The child restraint is not properly in- stalled, as outlined in the “Child re-
straints” section of this manual.
∙ An object weighing over 9.1 lbs. (4 kg) hanging on the seat or placed in the
seatback pocket. ∙ A child restraint or other object pressing
against the rear of the seatback.
∙ A rear passenger pushing or pulling on the back of the front passenger seat.
∙ Forcing the front seat or seatback against an object on the seat or floor
behind it.
∙ An object placed under the front pas- senger seat.
∙ An object placed between the seat cushion and center console.
If the vehicle is moving, please come to a
stop when it is safe to do so. Check and
correct any of the above conditions. Re-
start the vehicle and wait 1 minute.
NOTE:
A system check will be performed during
which the front passenger air bag status
light will remain lit for about 7 seconds
initially.
If the light is still OFF af ter this, the small
adult, child or child restraint should be re-
positioned in the rear seat and the vehicle
should be checked as soon as possible. It is
recommended that you visit a NISSAN
dealer for this service. 3. If the light is OFF with no front passen-
ger and no objects on the front pas-
senger seat, the vehicle should be
checked. It is recommended that you
visit a NISSAN dealer as soon as pos-
sible.
Other supplemental front-impact air
bag precautions