This paper studies mobile Ad hoc network technology uses and how it can be used in real life applications. As now a day's lots of Research is going on automotive vehicles, if mobile ad hoc network is used to represent vehicles on roads and vehicle to vehicle communication is made possible then travelling will be easy and enjoyable. Due to mobile nature and scalability in mobile ad hoc networks anyone in the network can communicate anytime anywhere. This paper gives quick overview of existing technologies in MANETs.