Hyundai ELANTRA 2021 Owner's Manual page 158

Convenient Features
CAUTION
• Do not leave the registered digital
key (smartphone) and card key in
your vehicle. Please carry around
your keys all the time.
• If you happen to lose your digital
key (smartphone) or card key
registered as a main user's key, you
should immediately delete the key
on the vehicle's key menu. For more
information, refer to the Digital Key
Deletion in this chapter.
• If you registered your digital key
(smartphone) or card key in the
vehicle, a message appears on the
instrument cluster and informs you
that the key is registered.
(Message: Digital key(s) active.)
• If you buy a used vehicle, you should
confirm the message and delete the
registered smartphone key and card
key. In this case, you should carry
your smart key.
• If you keep place the NFC card
of the digital key on the interior
authentication pad (wireless
charger) while driving, it may cause a
malfunction of the NFC card.
• You should remove your NFC card
of the digital key on the interior
authentication pad after turning on
the engine.
• Hyundai digital key app may not
work properly when the NFC or
Bluetooth communication between
smartphone and car is poor.
• If the remote control operation
is executed where the mobile
connection is weak, Bluetooth
connection is poor due to other
Bluetooth devices or there is an
object such as metal or concrete, it
might be delayed or the operable
distance might decrease. You should
not cover the smartphone with your
hand or place other devices which
can cause frequency interference. It
may result in poor performance.
5-22
• 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.