WARNING: This page is about a different car, the 2019 Kia Stinger. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Do not apply sealant to the body.
Using a screwdriver, remove the tailgate lifter (B) after removing the socket clips (A).
Courtesy of KIA MOTORS AMERICA, INC.
Push the socket of the lifter into the bracket for installation.
Information
Make sure the tailgate locks and opens properly and locks securely.