How to put two different characters on SFS ISLAND DEMO

Hi guys, I would like to know how to integrate several players in my game based on SFS ISLAND DEMO my game is a racing game, I managed to change the player and his movement but I do not know how to get players to play with different vehicles and that others can see it properly. my game is a racing game, I managed to change the player and his movement but I do not know how to get players to play with different vehicles and that others can see it properly.

example: Player A: Mitsubishi Evo 9 Player B: Dodge Charger

I want to know how to make player A plays with a mitsubishi can see the player who uses a dodge and vice versa.

thank you

Translation made by google translation

SFS Island demo available here : http://showcase.smartfoxserver.com/unity/SFSIslandDemo.zip