Creating a mod?

Hey, im new to the forums, and Im trying to find a forum or post or thread of how to create mods.
Send me a link of how to create a vehicle mods? On YouTube, they don't have it I think.

 

Wiki is your friend, check it next time
http://wiki.beamng.com/Content_Creation

 

And how do I open the programming?

 

http://beamng.com/threads/i-want-to-start-modding-where-do-i-start.33348/