engine HYUNDAI NEXO 2020 Owners Manual

F4
INTRODUCTION
Congratulations, and thank you for choosing HYUNDAI. We are pleased to welcome you to the growing number of dis-
cerning people who drive HYUNDAIs. We are very proud of the advanced engineering and high-quality construction of
each HYUNDAI we build.
Your Owner's Manual will introduce you to the features and operation of your new HYUNDAI. To become familiar with
your new HYUNDAI, so that you can fully enjoy it, read this Owner's Manual carefully before driving your new vehicle.
This manual contains important safety information and instructions intended to familiarize you with your vehicle's con-
trols and safety features so you can safely operate your vehicle.
This manual also contains information on maintenance designed to enhance safe operation of the vehicle. It is recom-
mended that all service and maintenance on your car be performed by an authorized HYUNDAI dealer. HYUNDAI deal-
ers are prepared to provide high-quality service, maintenance and any other assistance that may be required.
This Owner's Manual should be considered a permanent part of your vehicle, and should be kept in the vehicle so you
can refer to it at any time. The manual should stay with the vehicle if you sell it to provide the next owner with impor-
tant operating, safety and maintenance information.
HYUNDAI MOTOR AMERICA
Copyright 2019 HYUNDAI Motor America. All rights reserved. No part of this publication may be reproduced, stored
in any retrieval system or transmitted in any form or by any means without the prior written permission of HYUNDAI
Motor America.Severe vehicle damage may result from the use of poor quality lubricants that do not meet HYUNDAI spec-
ifications. You must always use high quality lubricants that meet the specifications listed on Page 8-6 in the
Vehicle Specifications section of the Owner's Manual.
CAUTION

F5
1. What are HYUNDAI GenuineParts?
HYUNDAI Genuine Parts are the same parts used by HYUNDAI
Motor Company to manufacture
vehicles. They are designed and
tested for the optimum safety, per-
formance, and reliability for our
customers. 2. Why should you use genuine
parts?
HYUNDAI Genuine Parts are engineered and built to meet rigid
manufacturing requirements.
Damage caused by using imita-
tion, counterfeit or used salvage
parts is not covered under the
HYUNDAI New Vehicle Limited
Warranty or any other HYUNDAI
warranty.
In addition, any damage to or fail- ure of HYUNDAI Genuine Parts
caused by the installation or fail-
ure of an imitation, counterfeit or
used salvage part is not covered
by any HYUNDAI Warranty. 3. How can you tell if you are pur-
chasing HYUNDAI Genuine
Parts?
Look for the HYUNDAI Genuine Parts Logo on the package (see
below).
HYUNDAI Genuine Parts export- ed to the U.S. are packaged with
labels written only in English.
HYUNDAI Genuine Parts are only sold through authorized HYUNDAI
Dealerships.
GUIDE TO HYUNDAI GENUINE PARTS

F8
IntroductionThis vehicle is equipped with an
event data recorder (EDR). The
main purpose of an EDR is to
record, in certain crash or near
crash-like situations, such as an
air bag deployment or hitting a
road obstacle, data that will assist
in understanding how a vehicle’s
systems performed. The EDR is
designed to record data related to
vehicle dynamics and safety sys-
tems for a short period of time,
typically 30 seconds or less. The
EDR in this vehicle is designed to
record such data as:
How various systems in yourvehicle were operating;
Whether or not the driver and passenger safety belts were
buckled/fastened;
How far (if at all) the driver was depressing the accelerator
and/or brake pedal; and,
How fast the vehicle was travel- ing. These data can help provide a bet-
ter understanding of the circum-
stances in which crashes and
injuries occur. NOTE: EDR data
are recorded by your vehicle only
if a non-trivial crash situation
occurs; no data are recorded by
the EDR under normal driving
conditions and no personal data
(e.g., name, gender, age, and
crash location) are recorded.
However, other parties, such as
law enforcement, could combine
the EDR data with the type of per-
sonally identifying data routinely
acquired during a crash investiga-
tion.
To read data recorded by an EDR,
special equipment is required, and
access to the vehicle or the EDR is
needed. In addition to the vehicle
manufacturer, other parties, such
as law enforcement, that have the
special equipment, can read the
information if they have access to
the vehicle or the EDR.
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CALIFORNIA PROPOSITION 65
WARNING
Items contained in motor vehi-
cles or emitted from them are
known to the State of California
to cause cancer and birth
defects or reproductive harm.
These include:
Gasoline and its vapors
Engine exhaust
Used engine oil
Interior passenger compart-
ment components and materi-
als
Component parts which are
subject to heat and wear
In addition, battery posts, termi-
nals and related accessories
contain lead, lead compounds
and other chemicals known to
the State of California to cause
cancer and reproductive harm.
WARNING

3-79
Convenient features of your vehicle
Check headlamp FAN
(if equipped)
This warning message is displayed if
there is a problem with headlamp
fan. Have the vehicle inspected by an
authorized HYUNDAI dealer.
Lights Mode
This indicator displays which exterior
light is selected using the lighting
control.
Wiper
This indicator displays which wiper
speed is selected using the wiper
control.
Check Virtual Engine Sound
System
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
Check High Beam Assist (HBA)
system (if equipped)
This warning message is displayed if
there is a problem with the High Beam
Assist (HBA) system. Have the vehi-
cle inspected by an authorized
HYUNDAI dealer.
For more details, refer to "High
Beam Assist (HBA) system" in
chapter 3.
Check Forward Collision
Avoidance Assist system
(if equipped)
This warning message is displayed if
there is a problem with the Forward
Collision-Avoidance Assist (FCA)
system. Have the vehicle inspected
by an authorized HYUNDAI dealer.
For more details, refer to "Forward
Collision-Avoidance Assist (FCA)
system" in chapter 5.
3
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3-102
Convenient features of your vehicle
Information
If there is heavy accumulation of snow
or ice on the windshield, defrost the
windshield for about 10 minutes, or
until the snow and/or ice is removed
before using the windshield wipers to
ensure proper operation.
If you do not remove the snow and/or
ice before using the wiper and washer,
it may damage the wiper and washer
system.
AUTO - Automatic Wiper Control
(if equipped)
A rain sensor located near the wind-
shield detects moisture accumula-
tion and controls the wiping cycle
automatically. This mode is designed
to operate the wiper at an appropri-
ate speed depending on the amount
of rainfall. The sensitivity can be var-
ied by turning the adjustment control
(B) located on the wiper stalk. If the
wiper switch is set in AUTO mode
when the ignition switch is in the ON
position, the wiper will operate once
to perform a self-check of the sys-
tem. Set the wiper control to the OFF
position when the windshield wipers
are not required.
i
To avoid personal injury from
the windshield wipers, when the
engine is running and the wind-
shield wiper switch is placed in
the AUTO mode:
•Do not touch the upper end of
the windshield glass facing
the rain sensor.
Do not wipe the upper end of
the windshield glass with a
damp or wet cloth.
Do not put pressure on the
windshield glass.
WARNING

3-107
Convenient features of your vehicle
3
Non-operational conditions of
Parking Distance Warning
(Reverse/Forward) system
The Parking Distance Warning
(Reverse/Forward) system may not
operate normally when any of the
following occur:
Moisture is frozen to the sensor.
Sensor is covered with foreign mat-
ter, such as snow or water, or the
sensor cover is blocked.
The Parking Distance Warning
(Reverse/Forward) system may
experience a malfunction when the
following occurs:
Driving on uneven road surfaces
such as unpaved roads, gravel,
bumps, or gradient.
Objects generating excessive noise
such as vehicle horns, loud motor-
cycle engines, or truck air brakes
can interfere with the sensor.
Heavy rain or water spray is present.
Wireless transmitters or mobile
phones are present near the sensor.
The sensor is covered with snow.
Distance
from object Warning indicator
Warning soundWhen driving
forwardWhen driving
rearward
24 ~ 39
(61 ~ 100)Front-Buzzer beeps
intermittently
24 ~ 47
(61 ~ 120)Rear-Buzzer beeps
intermittently
12 ~ 24
(31 ~ 60)FrontBuzzer beeps
frequently
Rear-Buzzer beeps
frequently
12
(30)FrontBuzzer sounds
continuously
Rear-Buzzer sounds
continuously
Types of warning sound and indicator
inches (cm)
Information
• The indicator may differ from the illustration depending on objects or sensors
status. If the indicator blinks, have your vehicle checked by an authorized
HYUNDAI dealer.
• If the audible warning does not sound or if the buzzer sounds intermittently
when shifting into R (Reverse) position, this may indicate a malfunction with
the Parking Distance Warning (Reverse/Forward) system. If this occurs, have
your vehicle checked by an authorized HYUNDAI dealer.
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6-7
What to do in an emergency
64. Connect the jumper cables in the
exact sequence shown in the illus-
tration. First connect one jumper
cable to the red, positive (+)
jumper terminal of your vehicle
(1).
5. Connect the other end of the
jumper cable to the red, positive
(+) battery/jumper terminal of the
assisting vehicle (2).6. Connect the second jumper cable
to the black, negative (-) battery/
chassis ground of the assisting
vehicle (3).
7. Connect the other end of the sec-
ond jumper cable to the black,
negative (-) chassis ground of
your vehicle (4).
Do not allow the jumper cables to
contact anything except the cor-
rect battery or jumper terminals or
the correct ground. Do not lean
over the battery when making
connections.8. Press the 12V Battery Reset
switch.
9. Start the engine of the assisting
vehicle and let it run for a few min-
utes.
10. Start your vehicle as soon as
possible. After starting vehicle
( indicator on), operate the
vehicle safely outdoors in ready
mode stopped and/or drive it for
30 minutes total to charge the
12V battery fully.
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7-19
7
Maintenance
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Checking the Brake Fluid
Level
Check the fluid level in the reservoir
periodically. The fluid level should be
between MAX and MIN marks on the
side of the reservoir.
Before removing the reservoir cap
and adding brake fluid, clean the
area around the reservoir cap thor-
oughly to prevent brake fluid contam-
ination. If the level is low, add the specified
brake fluid to the MAX level. The level
will fall with accumulated mileage.
This is a normal condition associated
with the wear of the brake linings. If
the fluid level is excessively low, have
the brake system checked by an
authorized HYUNDAI dealer.
Do not allow brake fluid to con-
tact the vehicle’s body paint, as
paint damage will result.
Brake fluid, which has been exposed to open air for an
extended time should NEVER be
used as its quality cannot be
guaranteed. It should be dis-
posed of properly.
Do not use the wrong kind of brake fluid. A few drops of min-
eral based oil, such as engine
oil, in your brake system can
damage brake system parts.
Information
Use only the specified brake fluid
(refer to "Recommended Lubricants
and Capacities" in chapter 8).
i
NOTICE
If the brake system requires fre-
quent additions of fluid this
could indicate a leak in the
brake system. Have the vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING
Do not allow brake fluid to come
in contact with your eyes. If
brake fluid comes in contact
with your eyes, flush your eyes
with clean water for at least 15
minutes and get immediate
medical attention.
WARNING
OFE078007

Introduction of FCEV .........................................................H2
The components of FCEV..................................................H3
Fuel cell stack ...................................................................................H4
FCEV system module .......................................................................H4
High pressure hydrogen storage tanks ......................................H5
Battery system..................................................................................H5
Features of FCEV .............................................................H10
How to Start the Vehicle ..............................................................H10
How to Stop the Vehicle ..............................................................H11
Virtual Engine Sound System......................................................H11
Fuel filler door ................................................................................H12
Warning and indicator lights .......................................................H15
LCD Display Messages ..................................................................H16
FCEV mode.......................................................................................H21
When the high voltage battery is weak ...................................H25
If the 12 volt battery is discharged...........................................H25
Emergency while driving ..............................................................H26
Customer Q&A Guide .......................................................H30
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FCEV : Fuel Cell Electric Vehicle

H11
How to Stop the Vehicle
1. Hold down the brake pedal while
the vehicle is parked.
2. While depressing the brake pedal,
shift to P (Park).
3. While depressing the brake pedal,
engage the parking brake.
4. While depressing the brake pedal,
press the Power button and turn
off the vehicle.
5. Check if the " " indicator is
turned OFF on the instrument
cluster.
When the " " indicator is ON
and the gear is in a position other
than P (Park), the driver can acci-
dently depress the accelerator
pedal, causing the vehicle to move
unexpectedly.
Virtual Engine Sound System
The Virtual Engine Sound System
generates engine sound for pedestri-
ans to hear vehicle sound because
there is no sound while the FCEV
vehicle is operating.
• If the vehicle is in the ready ( )
mode and the gear is not in P
(Park),
When the gear is shifted to R
(Reverse), an additional warning
sound will be heard.
•The vehicle is much quieter
while driving than a conven-
tional gasoline-powered vehi-
cle. Be aware of your sur-
roundings and always drive
safely.
After you park the vehicle or
while you are waiting at a traf-
fic light, check whether there
are children or obstacles
around the vehicle.
Check if there is something
behind the vehicle when driv-
ing in reverse. Pedestrians
may not hear the sound of the
vehicle.
CAUTION