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
- Locking your vehicle (Button type)
- Locking your vehicle (Touch sensor type)
- Unlocking your vehicle (When the Two Press Unlock feature is off)
- Unlocking your vehicle (When the Two Press Unlock feature is on)
- Trunk opening & Panic button
- Remote start
- Start-up
- Mechanical key
- Loss of a smart key & Smart key precautions
- Battery replacement
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: Evaporator Core
Repair procedures Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the heater core cover (A) after loosening the mounting screws.4.Pull out the evaporator core (A) from the heater unit.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater Control Unit
Components and components location Component Location1. Heater control unitComponents[Connector A] Pin No Function Pin No Function 1Mode control actuator (Feedback)21Mode control actuator (Vent)2Intake actuator (Feedback)22Mode control actu
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