engine sound completely redone, remixed and rebalanced
air-brake sounds recorded on a Actros with trailer
realistic lift-axle sound added + 3D-positioned
real reverse sound added and 3D-positioned to the rear of the truck
new horn sound recorded in reallife
new air-horn sound recorded by @Dotec
added a warning sound when turning off the engine without parking brake
added unique window sounds of a real Actros
new wiper sounds
