Dealer fix for Neoplan Starliner V2 1.32

Dealer fix for "Neoplan Starliner V2 by Adarf33Mods"
You can buy this bus from Volvo dealers.
- Retarder Sound added.
- Use "Type B" Trailer for using with deTbiT Terminal Mod.

Place above the original mod in mod manager.
Compatible for: 1.32.x