Hyundai Elantra: Trunk unlock (3) - Remote keyless entry system operations - Remote keyless entry (if equipped) - Features of your vehicle - Hyundai Elantra MD 2010-2015 Owners manualHyundai Elantra: Trunk unlock (3)

The trunk is unlocked if the button is pressed for more than 1 second. Also, once the trunk is opened and then closed, the trunk will be locked automatically.