I drive my Avanti often and wanted to lock the doors while parked. The key would rotate easily fore and aft, I could lock with lever inside, not with key outside. I removed the lock to clean and lubricate and consulted our Guru, Jon Myers in Ohio. Jon had a couple of good suggestions, but no success. Then I noticed a retainer tab appeared to be bent inward which prevented the handle barrel with key from coupling with the lock. Jon confirmed the retainer should be 90° which would move the lock s