Hyundai Elantra (CN7): Smart Key / Start-up

You can start the engine without inserting the key.

Information

If the smart key is not moved for some time, the detection function for smart key operation will pause. Lift the smart key to activate the detection again.

NOTICE

To prevent damaging the smart key:

  • Keep the smart key away from water or any liquid and fire. If the inside of the smart key gets damp (due to drinks or moisture), or is heated, internal circuit may malfunction and may void the vehicle warranty.
  • Avoid dropping or throwing the smart key.
  • Protect the smart key from extreme temperatures.

NOTICE

Always have the smart key with you when leaving the vehicle. If the smart key is left near the vehicle, the vehicle battery may be discharged.

    You can start the engine and turn on the climate system by pressing the remote start button (5) outside the vehicle. To start and stop engine remotely : 1.

    If the Smart Key does not operate normally, you can lock or unlock the driver’s door by using the mechanical key. Press and hold the release button (1) and remove the mechanical key (2).

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater Unit

    Components and components location Component Location1. Heater unit assemblyCompoents1. Heater unit assembly2. Heater tube cover3. Heater core assembly4. Mode control actuator [LH]5. Dummy PTC6. Temperature control actuator [LH]7. Heater case [LH]8.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    Description and operation     The System may be limited when • The radar sensor or camera is blocked with a foreign object or debris.• The camera lens is contaminated due to tinted filmed or coated windshield, damaged glass, or stuck of foreign matter (sticker, bug, etc.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0217