Hyundai Elantra (CN7): Accessing Your Vehicle / Hyundai Digital Key

Digital Key Application

To use Hyundai Digital Key mobile app, you should install Hyundai digital key application. Search ‘Hyundai digital key’ in the Google Play Store and download the app. Please refer to the detailed manual of the digital key app. The option can be found under the following app menu:

Menu → Application Info → Tutorial

Please note the manual before using the app.

ÃÃ This service is only available for Android smartphones. Please confirm supported/compatible devices on our website.

WARNING

For used vehicle

If any of the digital key (smartphone key or card key) is already registered when you press ON button after unlocking the doors, the message ‘Digital key(s) active’ appears on the instrument cluster once. If you buy a used vehicle, you should confirm the message and delete the registered smartphone key and card key. In addition, please notify the Hyundai Customer Care Center.

If the card key does not work properly, please delete the card key and register the smartphone key and re-register the card key.

For vehicle maintenance

If you need to have your Digital Key System repaired or replaced please ensure you Smartphone Key is still active. You may have to pair your phone again.

In the case, re-initialize your Digital Keys using the Hyundai Digital Key mobile app.

Digital key (smartphone) NFC function

You can use the Digital Key NFC (Near Field Communication) function after turning on your smartphone function in the NFC settings. And you should unlock & turn on smartphone screen to use it.

* To change the NFC mode of the smartphone, please refer to the smartphone manual or contact to the customer service center of smartphone manufacturers.

The immobilizer system protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine’s fuel system is disabled.

Hyundai Digital Key (Smartphone) Pairing 1. Turn the vehicle on with the Smart key and make sure to keep the smart key inside the vehicle during digital key registration.

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: A/C Pressure Transducer

Description and operation DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater & A/C Control Unit (Manual)

Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Low (Register specifications)4Middle Low (Register specifications)2Common (Register

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