WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Remove the drive belt.
Using the wrench, turning the drive belt tensioner (A) counterclockwise.
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the drive belt (A).
Courtesy of HYUNDAI MOTOR AMERICA
Remove the drive belt tensioner (A) and then remove the drive belt (B).