How do you install addon vehicles to FiveM singleplayer?

[Clearshot]

Environment questions

GTA V version: 1.0.2215.0
Up to date: Yes
Legit or Pirate copy: Legit
Purchased where - Steam/Rockstar Launcher/Epic: Rockstar Launcher
Windows version: 1909
Did you try to delete caches.xml (not cache/!) and try again? N/A
System specifications: N/A
CitizenFX crash zip file (‘Save information’ on a crash): N/A
logs/CitizenFX_log files: N/A
.dmp files/report IDs: N/A

Important parts

What is the issue you’re having?
Vehicle addon does not load in FiveM single player, no errors shown.

What are you trying to do?
Install vehicle addon to FiveM single player.

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Additional comments

I’ve been trying to install a vehicle addon to FiveM singleplayer, but it is proving to be quite a challenge. I have followed this post, extracting the contents of the addon, running the rpf files through archive fix, repacking it with openiv, adding the dlc to dlclist.xml but no vehicle works. I have also followed this video for adding vehicles to FiveM single player, but it doesn’t work either. Lastly, I tried to convert the dlc.rpf file to a FiveM resource but I can’t find a way to load the FiveM resource in singleplayer. Any help would be appreciated, it shouldn’t be this difficult to add a vehicle to FiveM singleplayer…

[system]

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