Steering wheel controls and hornUpdated 07/23/2018The steering wheel houses the horn and controls for e.g. the driver support systems and voice recognition.Your browser does not support video. Download the video.Keypads and paddles* in the steering wheel. Controls for driver support systems 1. Paddle shifter* for manual gear changing in an automatic gearbox. Controls for voice recognition, head-up display settings, and menu, message and phone handling. HornThe horn is located in the centre of the steering wheel.