Hyundai Elantra N Owner's Manual page 140

If the remote control function is not
activated, please use NFC function to
lock or unlock the doors
You should be careful not to
press the remote control button
on the digital key (smartphone)
accidentally.
If the digital key (smartphone) is
discharged or defective or you
cannot use the digital key since the
vehicle battery is discharged, use the
inside door lock button to lock all of
the doors.
CAUTION
Hyundai digital key app on the
smartphone and card key may not
work if any of the following occurs:
- Hyundai digital key app on the
smartphone is deleted. (Required
to reinstall the app)
- Account log in information of
Hyundai digital key app is expired.
(Required to re-log in)
- When you try to log in to another
smartphone instead of the
registered smartphone with same
user account.
- Smartphone rooting or app
hacking is detected.
- Smartphone battery or the vehicle
battery is discharged.
- Smartphone's screen is off or
locked.
- NFC or Bluetooth is turned off on
the smartphone settings.
- Smartphone's mobile network
setting is off or airplane mode is
activated.
- A credit card is overlapped in the
back of your smartphone or metal
or thick case is used.
- The card key is overlapped with
other credit cards or the key is
used as inserted in the wallet or
card wallet.
- If you use a smart phone cover that
uses wireless communication or is
made of metal, the digital key NFC
function may not work properly.
Remove the smart phone cover
before using the digital key NFC
function.
The vehicle may not be controlled by
the smartphone if any of the following
occurs:
- Basic and necessary functions of
the smartphone manufacturer are
operating. (General call, urgent
call, audio or NFC payment)
- Wireless earphone is operating.
(General call, urgent call or audio)
- The digital key app function such
as basic setting or app launching
is limited by prior policy according
to the manufacturer while using a
smartphone produced by domestic
and foreign manufactures.
If you change the smartphone
number, you should modify the user
account information on the HYUNDAI
customer web site to use the digital
key app.
If the vehicle owner changes
the smartphone device, the new
smartphone should be registered in
the car after deleting the registered
digital key(smartphone).
If a sharer changes or resets the
smartphone, the key should be re-
shared from owner.
Some older smartphones may not
work properly. Please check the
available smartphone models with
your dealer.
NFC antenna position on the
smartphone can be confirmed
on each smartphone's manual or
contact to customer service center
of the smartphone manufacturer.
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