Installation: 
1:Copy update folder to 
X:\Grand Theft Auto V\ 
---------------------------------------------------------------- 
2:Use OpenIV extract 
X:\Grand Theft Auto V\update\update.rpf\common\data\dlclist.xml 
then use notepad open it,add new line 

		<Item>dlcpacks:\lamboavj\</Item>

Save it and use OpenIV replace it. 
---------------------------------------------------------------- 
You can use any Trainer and Spawn it by name "lamboavj"
---------------------------------------------------------------- 
That's all Enjoy it! 