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2016 Hyundai Elantra L4 1.8L_How to Operate the Door Locks from Outside the Vehicle
Written by R&D
June 22nd, 2026
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The feature allowing drivers to control door locks from outside the 2016 Hyundai Elantra ensures both security and convenience. This feature provides for easy locking and unlocking of the vehicle's doors, ensuring controlled access. The system includes options such as using the key, remote keyless entry, or smart key, depending on the trim level. Each method provides a straightforward and efficient way to secure the vehicle, with the remote keyless entry and smart key enabling operation at the press of a button. Properly using this feature can significantly enhance safety by preventing unauthorized access and giving you peace of mind. This guide provides an overview of the system as well as detailed instructions for effectively using it in your 2016 Hyundai Elantra L4 1.8L.
How to use the feature
1. Mechanical key:

- Insert the key in the door lock and turn the key to the rear of the vehicle to unlock and to the front of the vehicle to lock.
- If you use a key to lock the door, all vehicle doors will automatically lock (if the vehicle is equipped with the central door lock system).
- From the driver’s door, turn the key to the right once to unlock the driver’s door and a second time within 4 seconds to unlock all doors (if the vehicle is equipped with the central door lock system ).
- After unlocking the doors, pull the door handle to open them.
Note: When closing the door, push it by hand and make sure it is properly closed.
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2. Remote key:

- Press the Door Lock button (1) on the remote key to lock the doors.
- Press the Door Unlock button (2) on the remote key to unlock the driver's door. Press the Door Unlock button again within four seconds to unlock all the doors.
- After unlocking the doors, pull the door handle to open them.
- When closing the door, push it by hand and ensure that it is securely closed.
Warning:
- In cold and wet climates, freezing conditions may cause the door lock and door mechanisms to malfunction.
- If the door is locked or unlocked repeatedly in quick succession using either the vehicle key or door lock switch, the system may temporarily stop functioning to protect the circuit and prevent damage to the components.
3. Smart key

- To lock the doors while carrying the smart key, press the button on the outside door handle, or press the door lock button on the smart key.
- To unlock the doors while carrying the smart key, press the button on the outside door handle, or press the door unlock button on the smart key to unlock the driver’s door. Press the Door Unlock button again within four seconds to unlock all the doors.
- After the doors are unlocked, open them by pulling the door handle.
Note: Push the door by hand when closing it and ensure that it is securely closed.
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