My 2nd gen has the lock on the glovebox. It's a short cylinder, works with the same key, but the key only goes in halfway.

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I spoke to a locksmith about getting a cap with a lock, or a cylinder for the door, and having it rekeyed so it would work with the same key. He said he could do it if he had the rekeying kit for older mitsubishis, but since they are not common it was not worth it to him to buy the kit for a couple hundred bucks and never use it. He has the kits for Ford, GM and Toyota because those are common. Maybe he's full of it, but that what he told me...
I'll look into that oversees cap, and find another locksmith!