If you find a way, I would love to know as well.

 If the software files are in a folder and zipped then unzip them first , then put them in the (vehicle folder), not in  the vehicleCP. there you will find USA Asia,Europe.etc. make sure you put them in the correct location and unzipped. all files must be inside the folder, not out. if such folder does not exist then create them, make sure the first letter of each brand/make is in upper case, the rest lower case. example if it looks like this