Hyundai Sonata: Smart key functions - Smart key - Features of your vehicle - Hyundai Sonata YF 2011-2019 Owner's ManualHyundai Sonata: Smart key functions

Carrying the smart key, you may lock and unlock the vehicle doors. Also, you may start the engine. Refer to the following, for more details.

Locking

Locking

Using the door handle switch

Pressing the button of the front outside door handles with all doors closed and any door unlock, locks all the doors. If all doors, trunk and engine hood are closed, the hazard warning lights will blink and the chime will sound once to indicate that all doors are locked.

However, if any door remains open, the doors won't lock and the chime will sound for 3 seconds. Close the door and try again to lock the doors.

If trunk lid or engine hood remains open, the hazard warning light and chime won't operate. After this, trunk lid and engine hood are closed, the hazard warning lights blink once.

The button will only operate when the smart key is within 28~40in. (0.7~1m) from the outside door handle.

If you want to make sure that a door has locked or not, you should check the door lock button inside the vehicle or pull the outside door handle.

Even though you press the outside door handle buttons, the doors will not lock and the chime will sound for 3 seconds if any of following occur:

  • The smart key is in the vehicle.
  • The ignition switch is in ACC or ON position.
  • Any door except the trunk is open.

Using the button on the smart key

All doors are locked if the lock button(1) is pressed. If all doors, trunk and hood are closed, the hazard warning lights will blink and the chime will sound once to indicate that all doors are locked.

However, if any door, trunk or engine hood remains open, the hazard warning lights and the chime will not operate. If all doors, trunk and engine hood are closed after the lock button is pressed, the hazard warning lights blink.

Unlocking

Using the door handle switch

Press the button of the drivers outside door handle with all doors closed and locked, unlocks the drivers door. The hazard warning lights will blink and the chime will sound twice to indicate that the drivers door is unlocked. All doors are unlocked if the button is pressed once more within 4 seconds. The hazard warning lights will blink and the chime will sound twice to indicate that all the doors are unlocked.

Press the button of the front passengers outside door handle with all doors closed and locked, unlocks all the doors. The hazard warning lights will blink and the chime will sound twice to indicate that all doors are unlocked. The button will only operate when the smart key is within 28~40 in. (0.7~1 m) from the outside door handle.

When the smart key is recognized in the area of 28~40 in. (0.7~1 m) from the front outside door handle, other people can also open the doors without possession of the smart key.

After pressing the button, the doors will lock automatically unless you open any door within 30 seconds.

Using the button on the smart key

The driver's door is unlocked if the unlock button(2) is pressed once. The hazard warning lights will blink and the chime will sound twice to indicate that the driver's door is unlocked.

All doors are unlocked if the unlock button is pressed once more within 4 seconds. The hazard warning lights will blink and chime will sound twice again to indicate that all doors are unlocked.

After pressing this button, the doors will lock automatically unless you open any door within 30 seconds.

Trunk unlocking

Using the trunk handle switch

If the trunk is locked and if you are within 28~40 in. (0.7~1 m) from the outside trunk handle with your smart key in your possession, the trunk will unlock when you press the trunk handle switch.

Also, once the trunk is opened and then closed, the trunk will be locked automatically.

Using the button on the smart key

The trunk is opened if the trunk unlock button(3) is pressed for more than 1 second. Once the trunk is opened and then closed, the trunk will lock automatically.

Panic

The horn sounds and hazard warning lights flash for about 30 seconds if this button(4) is pressed for more than 1 second. To stop the horn and lights, press any button on the smart key.

Start-up

You can start the engine without inserting the key. For detailed information refer to the Engine start/stop button in section 5.

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