hyundai dealer could not locate turn signal flasher on their parts list.

Turn signal function may be part of the body control module or lights module, I looked om www.rockauto they are normally good for parts but no specific listing. Check your fuses do you have an owner's manual? Check here http://repairpal.com/automobile-owners-manuals-online or try this link you may be able to down load a free copy of the owner's manual for your vehicle http://www.autousermanual.com/ Hyundai as a car manufacturer put a lot of free technical information and workshop manuals on line for Hyundai owners. Check out www.hmaservice.com lots of great information. Let s know what you find, you may help someone else!