Key will not turn in ignition of Chrysler Sebring Convertible

Tim, sounds like tumblers in ignition may be sticking or your keys cut worn out, put key in ignition and hit end of key sharply/some force with a small hammer, wrench, screw driver handle what ever you have, try turning key.
If this dose not do it call a good locksmith, they are cheape then the dealer.
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If steering wheel is tight try shaking it back and forth the locking pin might be a little jammed and try turning key when doing so --also check key if worn or key cylinder worn will have difficulty turning try jiggling key while trying to turn it if no good try spare key no spare might need to get a key or cylinder replacement