Engine stalling or failure to start may indicate crankshaft angle sensor failure; Hyundai issued a recall (03V030000).Google+
Car Problem Reports
Hyundai Santa Fe Stalling/failure to start due to crankshaft angle sensor failure
Hyundai Santa Fe Problem
Engines Affected: 2.7L V6, 3.5L V6
Visitor, 2011 Hyundai Santa Fe, 3.5L V6
car will randomly not start. replaced the battery and it still does it. problem cannot be reproduced. dealer will not fix. this has happened 4 times in the last month.