As far as I know, if you don't save the vehicle it will despawn when the server restarts. Vehicles are used as a means of transportation for people over the terrains of DayZ and also as a means of item storage. This mod is a server side mod you need to make sure you've set it to SERVER SIDE and not client side. Or you're going to see issues. So far I have driven a Olga, Gunter and Sarka, this is what I. . If you do, it saves the vehicle on the master. They can be found in many different. As of now there are four cars in DayZ all with their strengths and weaknesses.