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(USA TODAY) - General Motors said today linked seven more deaths to its faulty ignition switch recall and added to the recall the remaining four models using the same switch as the Chevy Cobalt and Pontiac G5 cars recalled Feb. 13.

GM increased the number of deaths it links to the problem from six to 13 and the number of crashes from 22 to 31 as it expanded the recall by more than 588,000 to nearly 1.4 million.

Added to the recall are:

  • 2003-07 Saturn Ion
  • 2006-07 Chevrolet HHR
  • 2007 Pontiac Solstice and Saturn Sky

They are in addition to the 780,000 Chevrolet Cobalts from the 2005 through 2007 model years and 2007 Pontiac G5s, bringing the total vehicles recalled to nearly 1.4 million.

The ignition defect, says GM, allows it to move unexpectedly from "run" to "accessory" if jarred by rough pavement and pulled by a heavy key chain. That shuts off the engine and disables the front air bags.