I broke off the outside handle for opening the rear window on 2003 santa fe but

The only other thing I can think of is the tailgate window release switch instead of a handle .. That and the actual lift gate handle is all that back there. During your search - the part you need isn’t going jump right out at you - you’ll have to look around for it. IF all else fails - recommend visiting auto repair facility. ▪️ https://repairpal.com/repair-shops ▪️ Good luck!