(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:\mslaz\</Item>

Save it and use OpenIV replace it.
 

----------------------------------------------------------------
(3) You can use Simple Trainer Spawn it by name. 

 mslaz
----------------------------------------------------------------
Ըŧupdate/x64/dlcpacks/mslaz/dlc.rpf/x64/mslaz_vehicles.rpf/mslaz.ytd
öǡreplace
----------------------------------------------------------------
öբǶ֧
Use Only White Color

