There are 2 solutions to transport a vehicle by sea:
1 - In roro: The vehicle is given as such to the company which will roll it in one of the hold of the ship and will secure it.
Advantage: The price
Disadvantages: We have no control over the handling of the car. It is necessary to remove all that is likely to be stolen: Antenna, embellish, spare wheel, post office ....
High risk of problem on the vehicle.
2 - In a container: The vehicle is put in a container and stowed by us by wedging on the ground and on the sides.
Advantages: Security. The container is sealed as for personal belongings. The vehicle enters the container in your presence and goes out to your destination as well.
Disadvantages: The price