The South Korean importer was said to be discussing compensation with Publicis Groupe's Publicis & Hal Riney, San Francisco, according to several executives with knowledge of the situation.
Riney at deadline hadn't returned calls.
A Hyundai official said the company was discussing compensation with all finalists: Riney; Publicis West, Seattle; independent Richards Group, Dallas; and the incumbent, Cordiant Communications Group's Bates USA West, Irvine, Calif.
A Publicis West spokeswoman and a Bates executive said their agencies are not in compensation talks. Richards at deadline hadn't returned calls.