GTA 5 Online "New Single Player To Multiplayer" Glitch Sign Out Method "Patch 1.13" New GTA 5 Online SP to MP Glitch Patch 1.13 Signout Method Free cars how to bring single player cars to multiplayer without having to use the lagswitch method after the patch 1.12 in GTA V online. This useful glitch we all like to call SP to MP glitch, is not hard and you can pretty much bring any single player car to multiplayer. By Signing Outbr br NEW UPDATEbr After an exhaustive search we think it has something to do with either the Blimp DLC or one of the earlier versions.br br Have been told by 9 people so far if you delete the DLC,s from the hard drive and install again this will work properly now and in the future.