RJ1998

Hi first of all tnx for the update but i have a bit of a problem i dowloaded the new ets2mp update and set my ets2 on steam to 1.22 Beta. When i join the game i can change the tire lettering end so on but when i go to the cabin (i have the cabin dlc installed ) there isn't a option to put the snowman or christmas tree in my truck. Does anyone know what te problem is and if u now it plz help me. tnx, greeting and a happy newyear