Add codelocks to your vehicles and become the owner of it.

This plugin works with a permission system.

Give permission lockvehicles.use so that players can add codelocks to their vehicles.
Give permission lockvehicles.claim so that he can become its owner.

To add a codelock made as on a chest. The player will have to own the vehicle to add a codelock.

To become the owner of the vehicle look at it and type the command /claim

You can cancel your claim by typing /unclaim

Is there also a blacklist system? configurable in the config file

You can deactivate the decay when your vehicle is near your tool cupboard in the config file