Resetting the power liftgate
If the battery has been discharged or disconnected, or if the related fuse has been replaced or disconnected, the power liftgate may not work properly. For the power liftgate to operate normally, reset the power liftgate as follows:

1
Put the automatic shift lever in P (Park).
2
While pressing the liftgate close button, press the liftgate handle switch for more than 3 seconds. (the chime will sound)
3
Close the liftgate manually.
If the power liftgate does not work properly after the above procedure, have the system checked by an authorized Kia dealer.

NOTICE
If the power liftgate does not operate normally, first check the following condition before using the power liftgate.
Make sure the automatic shift lever is in P (Park).