2023 HYUNDAI NEXO fuel fill door release

1-4
Your vehicle at a glanceI
I NN TTEERR IIOO RR OO VVEERR VV IIEE WW
1. Inside door handle ................................3-14
2. Side view mirror folding switch ..............3-32
3. Side view mirror control switch ..............3-31
4. Central door lock switch ........................3-15
5. Power window lock switch......................3-36
6. Power window switches ........................3-33
7. Instrument panel illumination
control switch ........................................3-59
8. ESC OFF button ..................................5-31
9. Fuel filler door opener button ................3-55
10. Lane Keeping Assist (LKA) system ....5-79
11. Blind-Spot Collision-Avoidance Assist (BCA) system ............................5-53
12. Power tailgate button ..........................3-45
13. 12V battery reset button ........................6-5
14. Steering wheel tilt/telescope lever ......3-21
15. Steering wheel ....................................3-20
16. Seat........................................................2-4
17. Hood release lever ..............................3-42
18. Power outlet ......................................3-166 USB charger ......................................3-169
OFE018003
The actual shape may differ from the illustration.

Convenient features of your vehicle
Accessing Your Vehicle .........................................3-3Smart Key ............................................................................3-3
Immobilizer System .........................................................3-10
Door Locks ............................................................3-11 Door Unlocking from Outside the Vehicle ................3-11
Door Locking from Outside the Vehicle ....................3-14
Operating Door Locks from Inside the Vehicle .......3-14
Automatic Door Lock and Unlock Features .............3-17
Child-Protector Rear Door Locks ...............................3-18
Theft-Alarm System ............................................3-19
Steering Wheel .....................................................3-20 Electric Power Steering (EPS) .....................................3-20
Tilt Steering/Telescope Steering.................................3-21
Horn ....................................................................................3-21
Heated Steering Wheel ..................................................3-22
Mirrors ...................................................................3-23 Inside Rearview Mirror ..................................................3-23
Side View Mirrors ...........................................................3-30
Windows ................................................................3-33 Power Windows ...............................................................3-34
Sunroof..................................................................3-37 Sunroof Opening and Closing ......................................3-38
Sliding the Sunroof .........................................................3-38
Tilting the Sunroof .........................................................3-39
Sunshade ...........................................................................3-39 Resetting the Sunroof ...................................................3-40
Sunroof Open Warning ..................................................3-41
Exterior Features .................................................3-42 Hood ...................................................................................3-42
Non-Powered Tailgate ...................................................3-43
Power Tailgate .................................................................3-45
Smart Tailgate ..................................................................3-51
Fuel Filler Door ................................................................3-55
Emergency Fuel Filler Door Release..........................3-57
Instrument Cluster ...............................................3-58 Instrument Cluster Control............................................3-59
Gauges and Meters ........................................................3-59
Warning and Indicator Lights .......................................3-65
LCD Display Messages ...................................................3-76
LCD Display ...........................................................3-81 LCD Display Control ........................................................3-81
LCD Display Modes .........................................................3-82
Trip Computer .......................................................3-85
Lighting..................................................................3-89 Exterior Lights .................................................................3-89
Interior Lights...................................................................3-96
Welcome System .............................................................3-99
Wipers and Washers..........................................3-101 Front Windshield Wipers .............................................3-101
Front Windshield Washers ..........................................3-103
Rear Window Wiper and Washer..............................3-104
3

3-55
Convenient features of your vehicle
3
Fuel Filler Door
Opening the fuel filler door
1. Turn the vehicle off.
2. Push the fuel filler door openerbutton.
The fuel filler door does not open if the vehicle is not off.
The fuel filler door may open after several seconds from turning off
the vehicle. However, in cold
weather, the fuel door may not
open for about 45 seconds until
the cluster message "Powering
down..." disappears. This is for
protecting the fuel cell system. 3. Pull the fuel filler door (1) outward
to access the fuel filler cap.
4. Pull the fuel filler cap (2).
Information
If the fuel filler door does not open
because ice has formed around it, tap
lightly or push on the door to break
the ice and release the door. Do not
pry on the door. If necessary, spray
around the door with an approved de-
icer fluid (do not use radiator anti-
freeze) or move the vehicle to a warm
place and allow the ice to melt.
Closing the fuel filler door
1. Cover the fuel filler with the cap.
2. Close the fuel filler door until it is latched securely.
i
NOTICE
OFEQ018014L
OFEQ018015N
If the fuel filler cap requires
replacement, you should use
parts for replacement from an
authorized Hyundai dealer. Anincorrect fuel filler cap canresult in a serious malfunc-tion of the fuel system or
emission control system. you
should contact your HYUNDAI
dealer for replacement.
If the fuel filler door is not
completely closed, the vehicle
is not turned on. Close thefuel filler door and turn on the
vehicle.
WARNING

3-57
Convenient features of your vehicle
3
Emergency Fuel Filler Door Release
If the fuel filler door does not open
due to the battery discharge and fail-
ure of the electrical wiring, open thetailgate and lightly pull the handle
towards the arrow direction to pen thelid.Information
Do not pull the handle excessively,
otherwise the luggage area trim or
release handle may be damaged.
i
OFE048419

H13
Information
If the fuel filler door does not open
because ice has formed around it, tap
lightly or push on the door to break
the ice and release the door. Do not
pry on the door. If necessary, spray
around the door with an approved de-
icer fluid (do not use radiator anti-
freeze) or move the vehicle to a warm
place and allow the ice to melt.Closing the fuel filler door
1. Cover the fuel filler with the cap.
2. Close the fuel filler door until it is latched securely.i
If the fuel filler cap requires
replacement, use parts for
replacement from an author-
ized Hyundai dealer. An incor-rect fuel filler cap can result ina serious malfunction of the
fuel system. Contact an
authorized HYUNDAI dealer
for replacement.
If the fuel filler door is not
completely closed, the vehicle
is not turned on. Close thefuel filler door and turn on the
vehicle.
WARNING
According to the hydrogen fueling station condition the
hydrogen may not be filled
fully and the driving distance
may change accordingly. The
hydrogen may not be charged
fully if the fueling station doesnot satisfy the fueling method
specified in the fueling. stan-
dard (SAE J2601) or if the
hydrogen is not enough in the
station, the fueling facility
has failure, etc.
Depending on the remaining
hydrogen in the vehicle and
ambient temperature, the time
required for fueling may vary.
More time may be required for
fueling if the remaining hydro-
gen level is low and the
weather is hot. Also, required
time may be longer if the
hydrogen cooling tempera-ture of the fueling station ishigh.
The distance to empty may
vary depending on the driving
environment (weather, traffic,etc.) and driving method
(rapid acceleration, heating
and air conditioning, etc.).WARNING

I-4
Driver Attention Warning (DAW) System......................5-94
Resetting the System ..................................................5-95
System Malfunction ...................................................5-96
System Setting and Activation ...................................5-94
System Standby ..........................................................5-96
Driver's front air bag .......................................................2-49
Electric Power Steering (EPS) ........................................3-20
Electronic Parking Brake (EPB) .....................................5-19
Electronic Stability Control (ESC) .................................5-31
Emergency Fuel Filler Door Release..............................3-57
Explanation of Scheduled Maintenance Items ...............7-12
Exterior Features .................................................3-42, 3-176 Emergency Fuel Filler Door Release .........................3-57
Fuel Filler Door ..........................................................3-55
Hood ...........................................................................3-42
Non-Powered Tailgate ................................................3-43
Power Tailgate ............................................................3-45
Roof Side Rails ........................................................3-176
Smart Tailgate.............................................................3-51
Exterior Lights ................................................................3-89 AUTO headlamp position ..........................................3-89
Battery saver function ................................................3-95
Daytime running light (DRL) ....................................3-89
Headlamp position......................................................3-90
Headlight time-out function .......................................3-95
High Beam Assist (HBA) ...........................................3-91 High beam operation ..................................................3-91
Lane change signals ...................................................3-94
Parking lamp position ................................................3-90
Turn signals ................................................................3-94
Exterior Overview.............................................................1-2
Features of FCEV............................................................H10 Emergency while driving............................................H26
FCEV mode ................................................................H21
Fuel filler door ............................................................H12
How to Start the Vehicle .............................................H10
How to Stop the Vehicle .............................................H11
If the 12 volt battery is discharged .............................H25
LCD Display Messages ..............................................H16
Virtual Engine Sound System .....................................H11
Warning and indicator lights.......................................H15
When the high voltage battery is weak ......................H25
Floor Mat Anchor(s) .....................................................3-172
Forward Collision-Avoidance Assist (FCA) System ......5-39 FCA Sensor (Front Radar/Front View Camera).........5-44
FCA Warning Message and System Control..............5-41
Limitations of the System ..........................................5-47
System Malfunction ...................................................5-46
System Setting and Activation ...................................5-39
Front air ventilation seat .................................................2-19
Front seat warmers..........................................................2-17
Front Seats ........................................................................2-6
Index
E
F