A quick overview about what changed/reworked: - realistic engine start sound interior/exterior - realistic idle sound interior - realistic engine off sound exterior - added warning sound when turning off engine in the interior - all sticks and switches recorded and added into the game - real blinker sound and much more... Changelog for Version 1.5: - added realistic trailer-air-brake sound - optimized some interior sound levels - re-recorded blinker stick sound - new handbrake-stick sounds