Car model, please help

Hi, 

I'm new in MBD and also in hyperworks. I have a project for universities in which I have to make a model of a car with 6 wheels. Is there any one hwo know how to model a wheel or jow to use implement to my model where i have car body and rockers a wheels or tires. I found thta HW has the tires models but how can I imprement them to my model? is it posisble or I can only use vechicle library where I can find only 4 wheel vehicles.  

I want to make something similar to this: >https://www.youtube.com/watch?v=pSSKqxs2fHI wery simple model so I don't want to use wehicle library. after I nat to add road ane make something like this:

>https://www.youtube.com/watch?v=CM1xr9ONR9M

Sorry for my english /emoticons/default_wink.png' alt=';)' srcset='/emoticons/wink@2x.png 2x' width='20' height='20'> is there any one hwo can help me? Maybe you know someone or know tutorials what ever which can help me.

Thanks a lot.