Interior: Electric window open/close. Air window open/close. Electric wipers and switch. Air wipers and switch. Blinker relay and lever plus 4-way flasher switch. Parking brake set and release. Retarder (or Brake Saver) lever. Gear lever sounds. Air warning (modern & classic). Headlight switches. Effects: Air brakes. Air compressor unload. Gearbox actuation. Retarder (or Brake Saver). Lift axle. Standard air electrical horn. Air horn. Gear grinding Reverse beeps. Credits Robinicus, modze, Harven, Full Tilled Gaming