Make a backup before modding the game!

Replace the ''DLC.rpf'' in:
''Grand Theft Auto V\update\x64\dlcpacks\mpchristmas2''

To spawn the added cars you'll need SNT
Link to SNT: https://www.gta5-mods.com/scripts/simple-trainer-for-gtav

In the ''Vehicle spawning'' go to ''Spawn vehicle by name''
And type in:
Hwaycar
Or
Hwaycar2

