2018 NISSAN ALTIMA SL light

Supplemental air bagwarning light
When the ignition switch is placed in the ON
or START position, the supplemental air
bag warning light illuminates for about
7 seconds and then turns off. This means
the system is operational.
If any of the following conditions occur, the
front air bag, side air bag, curtain air bag,
and pretensioner systems need servicing
and your vehicle must be taken to a NISSAN
dealer:
∙ 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.
Unless checked and repaired, the supple-
mental restraint system (air bag system)
and/or the pretensioners may not function
properly. For additional details, refer to
“Supplemental Restraint System (SRS)” in
the “Safety—Seats, seat belts and supple-
mental restraint system” section of this
manual.

Turn signal/hazardindicator lights
The appropriate light flashes when the turn
signal switch is activated.
Both lights flash when the hazard switch is
turned on.

To defrost the rear window glass and out-
side mirrors (if so equipped), place the igni-
tion switch in the ON position and push the
rear window defroster switch on. The rear
window defroster indicator light on the
switch comes on. Push the switch again to
turn the defroster off.
The rear window defroster automatically
turns off af ter approximately 15 minutes.

CAUTION
Use the headlights with the engine run-
ning to avoid discharging the vehicle
battery.
Autolight system (if so equipped)
The autolight system allows the headlights
to turn on and off automatically. The auto-
light system can:∙ Turn on the headlights, front parking, tail, license plate and instrument panel
lights automatically when it is dark.
∙ Turn off all the lights when it is light.
∙ Keep all the lights on for a period of time af ter you place the ignition switch in the
OFF position and all doors are closed. NOTE:
Autolight activation sensitivity and the
time delay for autolight shutoff can be
adjusted. For additional information, re-
fer to “Vehicle information display ” in
this section.
To turn on the autolight system:
1. Turn the headlight switch to the AUTO position
1.
2. Turn the ignition switch to ON.
3. The autolight system automatically turns the headlights on and off.
Initially, if the ignition switch is placed in the
OFF position and a door is opened and lef t
open, the headlights remain on for a period
of time. If another door is opened while the
headlights are on, then the timer is reset.
To turn the autolight system off, turn the
switch to the OFF,

Be sure you do not put anything on top
of the autolight sensor located in the top
side
1of the instrument panel. The au-
tolight sensor controls the autolight; if it
is covered, the autolight sensor reacts as
if it is dark out and the headlights will
illuminate. If this occurs while parked
with the engine off and the ignition
switch placed in the ON position, your
vehicle’s battery could become dis-
charged.
Headlight beam select
1To select the high beam function, push
the lever forward. The high beam lights
come on and the

– When the headlights of the on-coming vehicle or the leading ve-
hicle are turned off, when the color
of the light is affected due to for-
eign materials on the lights, or
when the light beam is out of
position.
– When there is a sudden, continu- ous change in brightness.
– When driving on a road that passes over rolling hills, or a road that has
level differences.
– When driving on a road with many curves.
– When a sign or mirror-like surface is reflecting intense light towards
the front of the vehicle.
– When the container, etc. being towed by a leading vehicle is re-
flecting intense light.
– When a headlight on your vehicle is damaged or dirty.
– When the vehicle is leaning at an angle due to a punctured tire, be-
ing towed, etc. ∙ The timing of switching the low beam
and high beam may change under the
following situations.
– The brightness of the headlights of the oncoming vehicle or leading
vehicle.
– The movement and direction of the oncoming vehicle and the lead-
ing vehicle.
– When only one light on the oncom- ing vehicle or the leading vehicle is
illuminated.
– When the oncoming vehicle or the leading vehicle is a two-wheeled
vehicle.
– Road conditions (incline, curve, the road surface, etc.).
– The number of passengers and the amount of luggage. High Beam Assist operation
To activate the High Beam Assist system,
turn the headlight switch to the AUTO po-
sition
1and push the lever forward2
(high beam position). The

When the vehicle speed lowers to less than
approximately 16 mph (25 km/h), the head-
light uses the low beam.
To turn off the High Beam Assist system,
turn the headlight switch to the

DAYTIME RUNNING LIGHTS (DRL)
SYSTEM (Type A) (if so equipped)
The Daytime Running Lights (DRL) automati-
cally illuminate when the engine is started
with the parking brake released. The DRL
operate with the headlight switch in the
OFF position. Turn the headlight switch to
the