Smart Trunk (4-Door)

On a vehicle equipped with a Smart Key, the trunk can be opened hands-free by activating the Smart Trunk system.
How to Use the Smart Trunk
The trunk can be opened hands-free if the following conditions are met:
- 15 seconds after all doors are closed and locked
- The smart key has been within the detection area for more than 3 seconds.
✽ NOTICE
- Smart Trunk does not work 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 is within 1.5 m (60 in.) of the front door handles. (For vehicles equipped with the welcome light) - When the Smart Key remains within the detection range for 15 seconds after the doors are closed and locked, the function is automatically turned off after 10 minutes.
- The door is not locked or closed.
- The Smart Key is inside the vehicle.
1. Setting
To activate Smart Trunk,
(1) Change the LCD display mode to the User Settings mode.
(2) Select the Door mode.
(3) Check Smart Trunk.
❈ For more details, refer to "LCD Display Windows" in this chapter.

2. Detection and Warning
If you are within the detection area (50 ~ 100 cm (20 ~ 40 in.) behind the vehicle) with the electronic key, the hazard warning lights will flash and the horn will sound for approximately 3 seconds to warn you that the Smart Key has been detected and the trunk will open.
✽ NOTICE
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 2 times, and then the trunk will open.
WARNING
Make sure items in the rear cargo area do not fall out when opening the trunk, as this may cause serious injury.
✽ NOTICE
Keep the key out of reach of children. Children may accidentally open the Smart Trunk while playing near the rear of the vehicle.
- Make sure the trunk is closed before driving the vehicle.
- Before opening or closing the trunk, make sure there are no people or objects around the trunk.
- Before washing the vehicle, be sure to turn off the Smart Trunk feature. Otherwise, the trunk may open unintentionally.
How to Deactivate the Smart Trunk Function Using the Smart Key

1. Door lock
2. Door unlock
3. Trunk open
4. Alarm
If you press any smart key button during the detection and warning stage, the Smart Trunk function will be deactivated.
Make sure you know how to deactivate the Smart Trunk function for emergency situations.
✽ NOTICE
- If you press the door unlock button (2), the Smart Trunk function will be temporarily deactivated. However, if you do not open any door within 30 seconds, the Smart Trunk function will be reactivated.
- If you press and hold the trunk open button (3) for more than 1 second, the trunk will open.
- If you press the door lock button (1) or the trunk open button (3) when the Smart Trunk function is not in the detection and warning stage, the Smart Trunk function will not be deactivated.
- If you have turned off the Smart Trunk feature by pressing the Smart Key button or opening a door, the Smart Trunk feature can be reactivated by closing and locking all doors.
Detection Area

- Smart Trunk operates with the welcome warning if the Smart Key is detected within 50 ~ 100 cm (20 ~ 40 in.) of the trunk.
- The warning stops immediately if the Smart Key is outside the detection area during the detection and warning stage.
✽ NOTICE
- The Smart Trunk function will not operate in the following cases:
- The smart key is near a radio transmitter, such as a broadcasting station or airport radio, which may interfere with normal transmitter operation.
- The smart key is near a mobile two-way radio system or cellular phone.
- A smart key of another vehicle is being used near your vehicle. - The detection range may decrease or increase when:
- One side of the vehicle is raised for tire replacement or vehicle inspection.
- The vehicle is parked on a slope or unpaved road, etc.
Test yourself
A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.