Pretty much what it says. When you add this to your game you'll get static laden radio chatter coming from all your vehicles (while sitting and moving).
SEE the readme for all the info.
There's regular and Mac versions. Links are after the pic. And if by chance there's a lot of down loads and my bandwidth runs out on Mediafire do what you guys can to help get the files to people that missed out.
PC Version
http://www.mediafire.com/download/4q9qbyrpo89kg33/Mords_Vehicle_Radio_Chatter_Mod.zip
Mac Version
http://www.mediafire.com/download/3vhtqvex64e1jqo/Mords_Vehicle