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

Your HYUNDAI uses a smart key, which you can use to lock or unlock a door (and trunk) and even start the engine even just carrying the key.

(1) Door Lock
(2) Door Unlock
(3) Trunk Open
(4) Panic
(5) Remote Start

If the remote key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Insert a slim tool into the slot and gently pry open the cover.

1. Close all doors, engine hood and trunk. 2. Carry the smart key. 3. Either press the door handle button or press the Door Lock button (1) on the smart key.

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Antenna Coil

Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")3.Remove the steering column shroud panel.(Refer to Body - "Steering Column Shroud Panel")4.Disconnect the immobilizer connector (A) and press the locking pin (B) using an awl.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures

Variant Coding    When you need variant coding:– Replace Front View Camera with a new one※ EOL Variant Coding and calibration required for new replacementFront View Camera Variant CodingFront view camera variant coding makes it possible to operate functions for each vehicle type.

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