NHTSA urges owners of recalled GM vehicles – 2005-07 Chevrolet Cobalt, 2007 Pontiac G5, 2003-07 Saturn Ion, 2006-07 Chevrolet HHR, 2006-07 Pontiac Solstice, 2007 Saturn Sky – to follow GM recommendation to “use only the ignition key with nothing else on the key ring” and get repairs as soon as parts are available from GM.