eco HYUNDAI NEXO 2023 Workshop Manual

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Convenient features of your vehicle
Power gauge
The power gauge shows the energy
consumption rate of the traction
motor.
CHARGE : It shows the chargingstatus of the battery when it is
being charged by the regenerative
brakes (decelerating or driving on
a downhill road).
The more electric energy is
charged, the lower the gauge level.
ECO : It shows the energy con- sumption rate during normal driv-ing condition. POWER : It shows the energy con-
sumption rate of the vehicle when
driving uphill or accelerating. The
more electric energy is used, the
higher the gauge level.
Fuel cell stack temperature
gauge
This gauge shows the temperature
of the fuel cell stack coolant when
the POWER button is ON.
Do not continue driving with an over-
heated fuel cell stack. If your vehicle
overheats, have the vehicle inspected
by an authorized HYUNDAI dealer.
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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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3-67
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

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Electric PowerSteering (EPS)
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 EPS.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Charging System
Warning Light
(for 12-volt battery)
This warning light illuminates:
When the 12-volt battery level is low or a failure occurs on the
charging system such as LDC.
If the warning light turns on while driving, move the vehicle to a safe
location, turn off and turn on the
vehicle again, and check if the
warning light turns off. If the warn-
ing light remains on, have the vehi-
cle inspected by an authorized
HYUNDAI dealer.
Even if the warning light turns off, have the vehicle inspected by an
authorized HYUNDAI dealer.
If you drive the vehicle while the
warning light is on, vehicle speed
may be limited and the 12-volt bat-
tery may be discharged.
❈ LDC : Low voltage DC-DC Converter.
Low Tire Pressure
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 one or more of your tires are significantly underinflated (The
location of each underinflated tire
is displayed on the LCD display).
For more details, refer to "TirePressure Monitoring System
(TPMS)" in chapter 6.
Convenient features of your vehicle

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Convenient features of your vehicle
This warning light remains ON
after blinking for approximately 60
seconds, or repeatedly blinks ON
and OFF in 3 second intervals:
When there is a malfunction with the
TPMS.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
For more details, refer to "Tire Pressure Monitoring System
(TPMS)" in chapter 6.
Electronic ParkingBrake (EPB) 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 EPB.
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
Information
The Electronic Parking Brake (EPB)
Warning Light may illuminate when
the Electronic Stability control (ESC)
Indicator Light comes on to indicate
that the ESC is not working properly
(This does not indicate malfunction of
the EPB).
AUTO HOLD Indicator Light
This indicator light illuminates:
[White] When you activate the auto hold system by pressing the AUTO
HOLD switch.
[Green] When you stop the vehicle completely by depressing the
brake pedal with the auto hold sys-
tem activated.
[Yellow] When there is a malfunc- tion with the auto hold system.
In this case, have the vehicle inspect-
ed by an authorized HYUNDAI deal-
er.
For more details, refer to "Auto
Hold" in chapter 5.
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Safe Stopping
The TPMS cannot alert you to
severe and sudden tire damage
caused by external factors.
If you notice any vehicle insta-
bility, immediately take your
foot off the accelerator pedal,
apply the brakes gradually with
light force, and slowly move to
a safe position off the road.
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Forward CollisionAvoidance Assist (FCA)
system warning light (if equipped)
This warning light illuminates :
ON position.
- It illuminates for approximately 3seconds and then goes off.
When the FCA system is turned off.
When the radar sensor or cover is blocked with dirt or snow. Check
the sensor and cover and clean
them by using a soft cloth.
When there is a malfunction with FCA. In this case, have your vehi-
cle inspected by an authorized
HYUNDAI dealer.
Lane Keeping Assist
(LKA) system indicator
light (if equipped)
This indicator light illuminates:
[Green] When the system operat- ing conditions are satisfied for LKA.
[White] When system operating conditions are not satisfied orwhen the sensor does not detect
the lane line.
[Yellow] When there is a malfunc- tion with the Lane Keeping Assist(LKA) system.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
For more details, refer to "Lane
Keeping Assist (LKA) system" in
chapter 5.
LED Headlamp Warning Light (if equipped)
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 LED headlamp.
In this case, have the vehicle inspect-
ed by an an authorized HYUNDAI
dealer.
This warning light blinks:
When there is a malfunction with a
LED headlamp related part.
In this case, have the vehicle
inspected by an an authorized
HYUNDAI dealer.
Continuous driving with the LED
Headlamp Warning Light on or
blinking can reduce LED head-
lamp life.
NOTICE
Convenient features of your vehicle