2020 NISSAN ALTIMA check engine light

or
Brake warning
light (red)2
or
Electronic parking
brake warning
light (yellow) (if so
equipped)3
orBrake warning light (red)
orElectronic parking
brake warning light
(yellow) (if so equipped)
WARNING LIGHTS
orBrake warning
light (red)
This light functions for both the parking
brake and the foot brake systems.
Parking brake indicator (if so equipped)
When the ignition switch is placed in the ON
position, the light comes on when the park-
ing brake is applied.
Low brake fluid warning light
When the ignition switch is placed in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine is
running with the parking brake not applied,
stop the vehicle and perform the following:
1. Check the brake fluid level. Add brake
fluid as necessary. For additional infor-
mation, refer to “Brake fluid” in the “Do-
it-yourself ” section of this manual.2. If the brake fluid level is correct, have
the warning system checked. It is rec-
ommended that you visit a NISSAN
dealer for this service.
WARNING
∙ Your brake system may not be work-
ing properly if the warning light is on.
Driving could be dangerous. If you
judge it to be safe, drive carefully to
the nearest service station for repairs.
Otherwise, have your vehicle towed
because driving it could be
dangerous.
∙ Pressing the brake pedal with the en-
gine stopped and/or a low brake fluid
level may increase your stopping dis-
tance and braking will require greater
pedal effort as well as pedal travel.
∙ If the brake fluid level is below the
MINIMUM or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked. It is
recommended that you visit a NISSAN
dealer for this service.
WARNING AND INDICATOR LIGHTS WARNING LIGHTS, INDICATOR LIGHTS
AND AUDIBLE REMINDERS

orElectronic parking
brake warning
light (yellow) (if so
equipped)
The electronic parking brake system warn-
ing light functions for the electronic park-
ing brake system. If the warning light illumi-
nates, it may indicate the electronic
parking brake system is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
For additional information, refer to “Parking
brake” in the “Starting and driving” section
of this manual.
INDICATOR LIGHTS
orElectronic parking
brake indicator
light (red) (if so
equipped)
This light illuminates when the electronic
parking brake system is operating.When the ignition switch is placed in the ON
position, the electronic parking brake
warning light illuminates. When the engine
is started and the parking brake is released,
the warning light turns off.
If the parking brake is not released, the
electronic parking brake warning light re-
mains illuminated. Ensure the electronic
parking brake warning light has turned off
before driving.
If the electronic parking brake warning light
illuminates or flashes while the electronic
parking brake system warning light
or(yellow) illuminates, it may indicate
that the electronic parking brake system is
not functioning properly. Have the system
checked. It is recommended that you visit a
NISSAN dealer for this service.
For additional information, refer to “Parking
brake” in the “Starting and driving” section
of this manual.

0 Illustrated table of contents
Air bags, seat belts and child restraints..........0-2
Exterior front ....................................0-3
Exterior rear .....................................0-4
Passenger compartment ........................0-5 Instrument panel
................................0-6
Engine compartment check locations ...........0-8
Warning and indicator lights ....................0-10

2 Instruments and controls
Instrument panel................................2-2
Meters and gauges ..............................2-4
Speedometer and odometer .................2-4
Tachometer ..................................2-6
Engine coolant temperature gauge ..........2-6
Fuel gauge ................................... 2-7
Distance To Empty (DTE) ...................... 2-7
Variable Compression Turbo
(if so equipped) ...............................2-8
Warning lights, indicator lights and audible
reminders .......................................2-9
Checking lights .............................. 2-10
Warning lights ............................... 2-10
Indicator lights .............................. 2-15
Audible reminders ........................... 2-18
Vehicle information display .....................2-19
How to use the vehicle information
display ...................................... 2-20
Startup display .............................. 2-20
Resetting the drive computer ................2-21
Oil control system (if so equipped) ...........2-21
Settings ..................................... 2-22
Vehicle information display indicators .......2-30
Vehicle information display warnings ........2-33 Security systems
............................... 2-40
Vehicle security system .....................2-40
NISSAN Vehicle Immobilizer System .........2-42
Wiper and washer switch .......................2-43
Switch operation ............................ 2-43
Rear window and outside mirror
(if so equipped) defroster switch ................2-44
Headlight and turn signal switch ...............2-45
Headlight control switch .....................2-45
LED Daytime Running Lights (DRL)
system (if so equipped) ......................2-50
Instrument brightness control ...............2-50
Turn signal switch ........................... 2-50
Fog light switch (if so equipped) .............2-51
Horn ........................................... 2-52
Heated seat switches (if so equipped) ..........2-52
Heated steering wheel switch (if so equipped) . . 2-53
S
teering Assist switch (for vehicles with
ProPILOT Assist) (if so equipped) ................2-54
E-call (SOS) button (if so equipped) .............2-54
Rear Door Alert ................................. 2-55
Power outlet .................................... 2-56
Extended storage switch .......................2-57
Storage ........................................ 2-58

CHECKING LIGHTS
With all doors closed, apply the parking
brake, fasten the seat belts and place the
ignition switch in the ON position without
starting the engine. The following lights (if
so equipped) will come on:
,,,,,
or
The following lights (if so equipped) come
on briefly and then go off:
or,,,,,
or,
If any light fails to come on or operate in a
way other than described, it may indicate a
burned-out bulb and/or a system mal-
function. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
Some indicators and warnings are also dis-
played in the vehicle information display
between the speedometer and tachom-
eter. For additional information, refer to “Ve-
hicle information display” in this section.
WARNING LIGHTS
For additional information on warnings
and indicators, refer to “Vehicle information
display” in this section.
orAnti-lock BrakingSystem (ABS)
warning light
When the ignition switch is placed in the ON
position, the ABS warning light illuminates
and then turns off. This indicates the ABS is
operational.
If the ABS warning light illuminates while
the engine is running or while driving, it
may indicate the ABS is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
If an ABS malfunction occurs, the anti-lock
function is turned off. The brake system
then operates normally but without anti-
lock assistance. For additional information,
refer to “Brake system” in the “Starting and
driving” section of this manual.
Automatic EmergencyBraking (AEB) system
warning light (if so
equipped)
This light comes on when the ignition
switch is placed in the ON position. It turns
off af ter the vehicle is started.
This light illuminates when the AEB system
is set to OFF on the meter display.
If the light illuminates when the AEB sys-
tem is on, it may indicate that the system is
unavailable. For additional information, re-
fer to “Automatic Emergency Braking (AEB)”
and “Intelligent Forward Collision Warning
(I-FCW)” in the “Starting and driving” section
of this manual.
2-10Instruments and controls

Automatic EmergencyBraking (AEB) with
Pedestrian Detection
system warning light (if so
equipped)
This light comes on when the ignition
switch is placed in the ON position. It turns
off af ter the engine is started.
This light illuminates when the AEB with
Pedestrian Detection system is set to OFF
in the vehicle information display.
If the light illuminates when the AEB with
Pedestrian Detection system is on, it may
indicate that the system is unavailable. For
additional information, refer to “Automatic
Emergency Braking (AEB) with Pedestrian
Detection” and “Intelligent Forward Colli-
sion Warning (I-FCW)” in the “Starting and
driving” section of this manual.
orBrake warning
light
This light functions for both the parking
brake and the foot brake systems. Parking brake indicator (if so equipped)
When the ignition switch is placed in the ON
position, the light comes on when the park-
ing brake is applied.
Low brake fluid warning light
When the ignition switch is placed in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine
is running with the parking brake not ap-
plied, stop the vehicle and perform the fol-
lowing:
1. Check the brake fluid level. Add brake fluid as necessary. For additional infor-
mation, refer to “Brake fluid” in the “Do-
it-yourself ” section of this manual.
2. If the brake fluid level is correct, have the warning system checked. It is rec-
ommended that you visit a NISSAN
dealer for this service.
WARNING
∙ Your brake system may not be work-ing properly if the warning light is on.
Driving could be dangerous. If you
judge it to be safe, drive carefully to
the nearest service station for repairs.
Otherwise, have your vehicle towed
because driving it could be
dangerous.
∙ Pressing the brake pedal with the en- gine stopped and/or a low brake fluid
level may increase your stopping dis-
tance and braking will require greater
pedal effort as well as pedal travel.
∙ If the brake fluid level is below the MINIMUM or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked. It is
recommended that you visit a NISSAN
dealer for this service.
Charge warning light
If this light comes on while the engine is
running, it may indicate the charging sys-
tem is not functioning properly. Turn the
engine off and check the generator belt. If
the belt is loose, broken, or missing, or if the
light remains on, have the system checked.
Instruments and controls2-11

It is recommended that you visit a NISSAN
dealer for this service.
CAUTION
∙ Do not ground electrical accessoriesdirectly to the battery terminal. Doing
so will bypass the variable voltage
control system and the vehicle bat-
tery may not charge completely. For
additional information, refer to “Vari-
able voltage control system” in the
“Do-it-yourself ” section of this
manual.
∙ Do not continue driving if the genera- tor belt is loose, broken or missing.
Electronic parking brake
warning light (yellow) (if so
equipped)
The electronic parking brake system warn-
ing light functions for the electronic park-
ing brake system. If the warning light illumi-
nates, it may indicate the electronic
parking brake system is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service. For additional information, refer to “Parking
brake” in the “Starting and driving” section
of this manual.
Engine oil pressure
warning light
This light warns of low engine oil pressure. If
the light flickers or comes on during nor-
mal driving, pull off the road in a safe area,
stop the engine immediatelyand call a
NISSAN dealer or other authorized repair
shop.
The engine oil pressure warning light is
not designed to indicate a low oil level.
Use the dipstick to check the oil level. For
additional information, refer to “Engine oil”
in the “Do-it-yourself ” section of this
manual.
CAUTION
Running the engine with the engine oil
pressure warning light on could cause
serious damage to the engine almost
immediately. Such damage is not cov-
ered by the NISSAN New Vehicle Limited
Warranty. Turn off the engine as soon as
it is safe to do so.
Low tire pressure warning
light
Your vehicle is equipped with a Tire Pres-
sure Monitoring System (TPMS) that moni-
tors the tire pressure of all tires except the
spare.
The low tire pressure warning light warns
of low tire pressure or indicates that the
TPMS is not functioning properly.
Af ter the ignition switch is placed in the ON
position, this light illuminates for about
1 second and turns off.
Low tire pressure warning
If the vehicle is being driven with low tire
pressure, the warning light will illumi-
nate. A “Tire Pressure Low - Add Air”
warning also appears in the vehicle in-
formation display.
When the low tire pressure warning light
illuminates, you should stop and adjust
the tire pressure of all four tires to the
recommended COLD tire pressure shown
on the Tire and Loading Information la-
bel located in the driver’s door opening.
The low tire pressure warning light does
not automatically turn off when the tire
pressure is adjusted. Af ter the tire is in-
flated to the recommended pressure,
2-12Instruments and controls

∙ 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.
CAUTION
∙ The TPMS is not a substitute for theregular tire pressure check. Be sure to
check the tire pressure regularly.
∙ If the vehicle is being driven at speeds of less than 16 mph (25 km/h), the
TPMS may not operate correctly.
∙ Be sure to install the specified size of tires to the four wheels correctly.
Master warning light
When the ignition is in the ON position, the
master warning light illuminates if any of
the following are displayed on the vehicle
information display.
∙ No key warning
∙ Low windshield-washer fluid warning
∙ Parking brake release warning
∙ Door/trunk open warning
∙ Loose fuel cap
∙ Low tire pressure warning
Power steering warninglight
WARNING
∙ If the engine is not running or is turned off while driving, the power as-
sist for the steering will not work.
Steering will be harder to operate. ∙ When the power steering warning
light illuminates with the engine run-
ning, there will be no power assist for
the steering. You will still have control
of the vehicle, but the steering will be
harder to operate. Have the power
steering system checked. It is recom-
mended that you visit a NISSAN dealer
for this service.
When the ignition switch is placed in the ON
position, the power steering warning light
illuminates. Af ter starting the engine, the
power steering warning light turns off. This
indicates the power steering is operational.
If the power steering warning light illumi-
nates while the engine is running, it may
indicate the power steering is not function-
ing properly and may need servicing. Have
the power steering checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
When the power steering warning light illu-
minates with the engine running, there will
be no power assist for the steering, but you
will still have control of the vehicle. At this
time, greater steering effort is required to
operate the steering wheel, especially in
sharp turns and at low speeds.
2-14Instruments and controls