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: Start/Stop Button

Components and components location Component Repair procedures Removal1.Disconnect the negative(-) battery terminal.2.Remove the AVN Head unit.(Refer to Body Electrical System - "AVN(Audio Video Navigation) head unit")3.Loosen the mounting screws and remove the start/stop button (A).

Hyundai Elantra (CN7) 2021-2026 Service Manual: Parking Distance Warning (PDW)

Description and operation Description• PDW consists of 8 sensors (front : 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication.

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