THE KEY WILL NOT TURN WHEN THE KEY IS IN THE IGNITION SWITCH... IT WOULD TURN AFTER A FEW TRIES, BUT NOW IT WON'T TURN AT ALL.
IGNITION SWITCH WON'T TURN on 2004 Dodge Viper
THe tip of the key may be worn or the barrel is damaged. Have dealer make a new key from the electronic file if that doesn't work have them replace the barrel.