Convenient Features of Your Vehicle

How to Use the Smart Trunk

~2min read

The trunk opens by hands-free activation when all of the conditions below are met.

  • 15 seconds after all doors are closed and locked
  • Remaining in the detection area for more than 3 seconds.

Information

• The Smart Trunk does not operate when:

- The smart key is detected within 15 seconds after the doors are closed and locked, and is constantly detected.
- The smart key is detected within 15 seconds after the doors are closed and locked, and within 60 in. (1.5 m) of the front door handles. (for vehicles equipped with welcome light)
- The door is not locked or closed.
- The smart key is inside the vehicle.

1. Setting

To activate Smart Trunk, enter User Settings mode and select Smart Trunk on the LCD display.

2. Detection and Warning

If you are within the detection area (20–40 in. (50–100 cm) behind the vehicle) with the smart key, the hazard warning lights will flash and the horn will sound. A warning sound indicating smart key detection will sound, and the trunk will open.

Information

Do not approach the detection area if you do not want the trunk to open. If you accidentally enter the detection area and the hazard warning lights flash and the warning sound starts, leave the detection area with the smart key. The trunk will remain closed.

3. Automatic Opening

The hazard warning lights will flash and the horn will sound 6 times, then the trunk will open.

WARNING

  • Make sure you close the trunk before sitting in the driver's seat.
  • Before opening or closing the trunk, make sure there are no people or objects around the trunk.
  • Make sure items in the trunk do not fall out when the trunk is opened on a slope. This may result in serious injury.
  • Before washing the vehicle, be sure to deactivate the Smart Trunk. Otherwise, the trunk may open unintentionally.
  • Keep the key out of reach of children. Children may accidentally open the Smart Trunk while playing near the rear of the vehicle.

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.