"I hope to be here and want to defend my title, but obviously I need a car to do that with," Huff told AUTOSPORT.
"I have got nothing sorted by any means, so if anyone has got anything, please give me a call.
"I am working on many different things, but at the moment I have not got a contract in front of me and I have not signed anything."
RML, which has run Chevrolet's works WTCC programme since its inception in 2005, is known to be attempting to put together a privateer team with a pair of Cruzes for next year, and this could be one option for Huff.
He has also made clear his desire to race in V8 Supercars and the American Le Mans Series at some point in his career.
Huff's Chevrolet team-mate Alain Menu told AUTOSPORT that he would be open to a testing role with a manufacturer in 2013 if such an opportunity presented itself.
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