Supply stealing

There should be a way to lock vehicles. It happened several times now, while i'm doing supply runs. I get to the base with the supplies, get out of my car to unload the truck and some dickhead starts unloading the truck basically ''stealing'' my XP. I like the idea of not having to lock cars etc but the playerbase clearly can't handle this freedom. We need vehicle claims whenever you spawn them aslong as this shit keeps happening.