Hyundai reportedly halts U.S. sales of 2011 Sonata By: MarketWatch February 23, 2010 at 21:52 PM EST Hyundai Motor's U.S. unit orders halt to the sales of its popular 2011 Sonata sedan on concern about sticking door locks, Autoweek.com reports. Read More >> Related Stocks: Hyundai Motor Reg S Toyota Motor Corp Ltd Ord ADR