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: Refrigerant Line

Components and components location Components Location1. Refrigerant Pipe Assembly Repair procedures Replacement1.If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Ambient Temperature Sensor

Description and operation DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.

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