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...
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...