Installation:

1: Install this mod:
https://www.gta5-mods.com/vehicles/albany-white-liner-add-on 

2: Install Menyoo if you have not already done so:
https://www.gta5-mods.com/scripts/menyoo-pc-sp

3: Extract the "Furnished Whiteliner.xml" file to "E:\SteamLibrary\steamapps\common\Grand Theft Auto V\menyooStuff\Vehicle"