inputs.text: issues key material cause problehems - bought replacehements oehem scion tc keys known fail snap half took local hardware store said machines cannot cut thehem shape key guy explained made sense called wellknown locksmith area came cut keys immediately problehem blanks locksmith said metal used keys much harder standard keys difficult cut cut key would not turn locks locksmith fixed problehem process caused another lock would turn one direction problehem also happens ignition changed brains keys tried start car key would turn one direction car would turn would not start changed transponders spare key tested switching worked expected car would not start either since transponder issue eliminated factory key still turns starts car cause car not starting key beyond fob works well transferring transponder easy still useless since key not work