light HYUNDAI NEXO 2023 Service Manual

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Convenient features of your vehicleI
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1. Power gauge
2. Speedometer
3. Fuel cell stack temperature gauge
4. Fuel gauge
5. Odometer/LCD display/Trip computer
6. Warning and indicator lights
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The actual cluster in the vehicle may differ
from the illustration.
For more details, refer to the "Gauges and
Meters" in this chapter.

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Convenient features of your vehicle
3
Instrument Cluster Control
Adjusting instrument clusterillumination
When the vehicle's position lights or headlights are on, press the illumina-
tion control button to adjust the
brightness of the instrument panelillumination. When pressing the illumination con-
trol button, the interior switch illumi-nation intensity is also adjusted. The brightness of the instrument
panel illumination is displayed.
If the brightness reaches the maxi- mum or minimum level, a chimewill sound.
Gauges and Meters
Speedometer
The speedometer indicates the
speed of the vehicle and is calibratedin kilometers per hour (km/h) and/ormiles per hour (MPH).
Never adjust the instrument
cluster while driving. Doing socould lead to driver distraction
which may cause an accident
and lead to vehicle damage,
serious injury, or death.
WARNING
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Convenient features of your vehicle
3
- Fuel Cell StackOverheats
If the gauge pointer moves
beyond the normal range area
toward the "H" position, it indi-
cates overheating that may dam-
age the fuel cell stack.Hydrogen fuel gauge
This gauge indicates the approxi-mate amount of fuel remaining in thefuel tank (The fuel tank capacity is
given in chapter 8). The fuel gauge is
supplemented by a low fuel warninglight which will illuminate when the
fuel tank is nearly empty. Information -
HydrogenFueling Station
According to the hydrogen fueling sta-
tion condition, the hydrogen fuel may
not filled fully.i
NOTICE
Running Out of Fuel
Running out of fuel can expose
vehicle occupants to danger.
You must stop and obtain addi-
tional fuel as soon as possibleafter the warning light comes
on or when the gauge indicator
comes close to the ''E'' (Empty)
level.
WARNING
Radiator Cap
Never remove the radiator cap
when the fuel cell power mod-
ule is hot. Otherwise the fuel
cell stack coolant may be under
pressure and cause severe
burns. Wait until the fuel cell
power module is cool before
adding coolant to the reservoir.
WARNING
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Convenient features of your vehicle
Outside temperature gauge
This gauge indicates the current out-
side air temperature by 1 degrees C
(1 degrees F).
- Temperature range :-40°C ~ 60°C (-40°F ~ 140°F)
Note that the temperature indicated
on the LCD display may not change
as quickly as the outside tempera-
ture (there may be a slight delay
before the temperature changes.) The temperature unit (from °C to °F
or from °F to °C ) can be changed by:
- Press the AUTO button while
pressing the OFF button on the cli-
mate control unit for 3 seconds
- Go to General settings mode
Unit Temperature in the AVN dis-
play.
Both the temperature unit on the
cluster LCD display and climate con-
trol screen will change.
Odometer
The odometer indicates the total dis-
tance that the vehicle has been driv-
en and should be used to determine
when periodic maintenance should
be performed.
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Shift indicator pop-up
(if equipped)
The pop-up displays the current gear
position selected for 2 seconds(P/R/N/D). The shift indicator pop-up function
can be activated or deactivated from
the Vehicle Settings mode in the AVNscreen.
Regenerative braking rate indi-cator
While using the regenerative brakes,
you may select the regenerative
braking rate from 0 to 3 by pulling the
paddle shifter.
For more details, refer to
"Regenerative Braking System" in
chapter 5.
Icy road warning light (if equipped)
This warning light is to warn the driv-
er the road may be icy.
When the temperature on the out-
side temperature gauge is approxi-
mately below 4°C (40°F), the Icy
Road Warning Light and Outside
Temperature Gauge blinks, and then
illuminates. Also, the warning chimeis sound.
Information
If the icy road warning light appears
while driving, you should drive more
attentively and safely refraining from
over-speeding, rapid acceleration,
sudden braking or sharp turning, etc.
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Convenient features of your vehicle
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Convenient features of your vehicle
Warning and Indicator lights
Information
Make sure that all warning lights are
OFF after starting the vehicle. If any
light is still ON, this indicates a situa-
tion that needs attention.
Ready Indicator
This indicator illuminates :
When the vehicle is ready to be driven.
- ON : Normal driving is possible.
- OFF : Nor mal driving is not possible,
or a problem has occurred.
- Blinking : Emergency driving. When the ready indicator goes OFF
or blinks, there is a problem with the
system. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Service Warning Light
This warning light illuminates :
When the POWER button is in the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a problem with relat- ed parts of the fuel cell electric
vehicle control system, such as
sensors, etc.
When the warning light illuminates
while driving, or does not go OFF
after starting the vehicle, have your
vehicle inspected by an authorized
HYUNDAI dealer.
Power Down Warning Light
This warning light illuminates :
When the vehicle power should be limited due to a malfunction with
fuel cell stack.
If the warning light continuously
remains on when the vehicle is in
"READY" state, or comes on dur-
ing driving, this indicates that there
may be a malfunction with the fuel
cell stack. If this occurs, we recom-
mend that you have the vehicle
inspected by an authorized
HYUNDAI dealer.
If the warning light turns on again
when restarting the vehicle after
parking your vehicle on an incline.
NOTICE
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Icy Road Warning Light(if equipped)
This warning light is to warn the driver
the road may be icy.
When the temperature on the out-
side temperature gauge is approxi-
mately below 4°C (40°F), the Icy
Road Warning Light and Outside
Temperature Gauge blinks and then
illuminates. Also, the warning chime
sounds 1 time.
The Icy Road Warning function can
be activated or deactivated from the
Vehicle Settings mode in the AVNscreen.
Information
If the icy road warning light appears
while driving, you should drive more
attentively and safely, refraining from
over-speeding, rapid acceleration, sud-
den braking or sharp turning, etc.
Hydrogen Gas Leak Warning Light
This warning light illuminates:
[Red] When the hydrogen leakage is detected in the vehicle.
[Yellow] When there is a malfunc- tion with the hydrogen leakage
detection sensor.
If the warning light continuously
remains on when the vehicle is in
"READY" state, or comes on during
driving, this indicates that there may
be hydrogen leakage or a malfunc-
tion with the hydrogen leakage
detection sensor. If this occurs, stop
the vehicle and have the hydrogen
system inspected by an authorized
HYUNDAI dealer.
Low Fuel Level Warning Light
This warning light illuminates:
When the fuel tank is nearly empty.
If the fuel tank is nearly empty:
Add fuel as soon as possible.
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Convenient features of your vehicle

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Convenient features of your vehicle
Supplemental RestraintSystem Warning Light
This warning light illuminates:
When the POWER button is in the ON position.
- It illuminates for approximately 6seconds and then goes off.
When there is a malfunction with the SRS.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Seat Belt Warning Light
This warning light informs the driver
that the seat belt is not fastened.
For more details, refer to the "Seat
Belts" in chapter 2.
Regenerative Brake
Warning Light
This warning light illuminates :
When the regenerative brake does
not operate and the brake does not
perform well. This causes the Brake
Warning light (red) and Regenerative
Brake Warning Light (yellow) to illu-
minate simultaneously.
In this case, drive safely and have
your vehicle inspected by an author-
ized HYUNDAI dealer.
The operation of the brake pedal may
be more difficult than normal and the
braking distance can increase.
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Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
When the POWER button is in the ON position.
- It illuminates for approximately 3seconds.
- It remains on if the parking brake is applied.
When the parking brake is applied.
When the brake fluid level in the reservoir is low.
- If the warning light illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low.
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. With the vehicle turned off, check the brake fluid level immediately and add fluid as required (For more
details, refer to "Brake Fluid" in
chapter 7) . After adding brake fluid,
check all brake components for fluid
leaks. If a brake fluid leak is found,
or if the warning light remains on, or
if the brakes do not operate proper-
ly, do not drive the vehicle. Have the
vehicle inspected by an authorized
HYUNDAI dealer.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail. With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure is
required to stop the vehicle. Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
Convenient features of your vehicle
Parking Brake & Brake Fluid
Warning Light
Driving the vehicle with a warn-
ing light ON is dangerous. If the
Parking Brake & Brake Fluid
Warning Light illuminates with
the parking brake released, itindicates that the brake fluid
level is low.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING

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Convenient features of your vehicle
Anti-lock Brake System(ABS) Warning Light
This warning light illuminates:
When the POWER button is in the ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ABS (The normal braking sys-
tem will still be operational without
the assistance of the anti-lock
brake system).
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Electronic
Brake Force
Distribution (EBD) System Warning Light
These two warning lights illuminate
at the same time while driving:
When the ABS and regular brake sys-
tem may not work normally.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer. Information
- Electronic
Brake Force Distribution
(EBD) System Warning Light
When the ABS Warning Light is on or
both ABS and Parking Brake & Brake
Fluid Warning Lights are on, the
speedometer, odometer, or tripmeter
may not work. Also, the EPS Warning
Light may illuminate and the steering
effort may increase or decrease.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
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Electronic Brake Force
Distribution (EBD) System
Warning Light
When both ABS and Parking
Brake & Brake Fluid Warning
Lights are on, the brake system
will not work normally and you
may experience an unexpected
and dangerous situation during
sudden braking.
In this case, avoid high speed driving and abrupt braking.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING