This undated image taken from video shows the National Highway Traffic Safety Administration ( NHTSA) crash test of a 2005 General Motors Cobalt. For years, the U.S. government’s auto safety watchdog sent form letters to worried owners of the Chevrolet Cobalt and other General Motors small cars, saying it didn’t have enough information about problems with unexpected stalling to establish a trend or open an investigation, however an Associated Press review released Friday, March, 28, 2014, of complaints to the National Highway Traffic Safety Administration shows that over a nine-year period, 164 drivers reported that their 2005-2007 Chevrolet Cobalts stalled without warning (AP Photo/NHTSA)