Saving Digital Key (Card Key)
1. Turn on the vehicle with the smart key and be sure to keep the smart key inside the vehicle during digital key registration.
2. Install the Hyundai Digital Key app on your smartphone and set up the digital key.
3. Using the Pair Card Key menu in the app, activate the Card Key registration mode.
- NFC authentication: Enter the NFC 
authentication menu and touch 
your smartphone to the outside 
door handle.
 
- Bluetooth authentication: Enter the 
Bluetooth authentication menu and 
press the OK button.
Information
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4. Register the digital key (card key) in the infotainment system. From the Settings menu, go to Setup > Vehicle > Digital Key > Card Key and then select Save.
Information
The Save button is disabled if the digital key (card key) is already saved.
If you need to save a new digital key (card key), delete the previous digital key (card key) using “Deleting Digital key (Card key)” procedure in this chapter.
5. Place the digital key (card key) on the vehicle authentication pad (wireless charging pad). The process begins automatically.
If successful, a message appears on the infotainment system screen or instrument cluster.
Once a digital key (card key) has been registered, it cannot be used with another vehicle.
 When User Changes Smartphone 
or Deletes Digital Key 
Application
When User Changes Smartphone 
or Deletes Digital Key 
Application Deleting Digital Key (Card Key)
Deleting Digital Key (Card Key)Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Electronic Parking Brake (EPB)
   Applying the parking brake
To apply EPB (Electronic Parking Brake):
1. Depress and hold the brake pedal.
2. Pull up the EPB switch. 
Make sure the Parking Brake warning 
light comes on.
EPB (Electronic Parking Brake) may be 
automatically applied when:
	Requested by other systems.
	The  ...
   
Hyundai Tucson (NX4) 2022-2025 Service Manual: Delivery Pipe
    - Removal
 Low Pressure Delivery Pipe
1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
 2.Turn the ignition switch OFF and disconnect the battery negative (-) cable.
 3.Disconnect the injector connector (A).
 4.Disconnec t ...