If you click the provided link, you can see the installation instructions for the Curt # C67ER Class III hitch.
If you'll be towing with the hitch, you'll also need a # CU94FR trailer wiring harness, a ball mount like # D-28 and a # PC3 hitch pin as well as # 19260 for a 1-7/8 inch trailer ball or # 63845 for a 2 inch ball. view full answer...
I have attached for you below the installation instructions of the Curt Trailer Hitch Receiver part # C67ER which is a fit for a 2022 Kia Carnival. The installation does not require drilling but does require trimming of an underbody handle. view full answer...