Unlocking the tailgate from the inside of the car
The tailgate can be unlocked from inside the car using a button beside the steering wheel on the instrument panel.
Brief press on the 
button on the instrument panel.
button on the instrument panel.The tailgate is unlocked and can be opened from outside using the handle under the tailgate.
Long press on the button on the instrument panel.
button on the instrument panel.The tailgate is opened.