VW has their Side Assist technology, a beefed up version of lane change assist, where the car ‘looks’ behind you and beeps if there is anything coming up behind you before you change lane or brake.
In order to let you understand the system better, VW made the Side Assist App. Log onto www.side-assist-office.com and try it out. Basically it lets your webcam ‘watch out’ for your boss behind you and displays a chart on your screen so that you don’t end up in trouble. Video below: