WARNING: This page is about a different car, the 2020 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
Select the 'S/W Management' and 'Car model'.
Courtesy of HYUNDAI MOTOR AMERICA
Select the 'Smart Key Unit' and 'FOB KEY STATUS INFORMATION'.