2015 VW PASSAT Trailer Assist test
Volkswagen is the first carmaker to offer an innovative system of this kind. And this is how Trailer Assist works:
› Reverse gear. To manoeuvre a trailer in reverse from the carriageway into a driveway, the driver stops at a suitable point and engages reverse gear. The system is activated by pushing a button.
› Camera-based. The current and possible steering angles are visualised in the instrument cluster. This is done based on image processing algorithms that evaluate the data from the rear view camera that observes the angle of the trailer in relation to the vehicle. The visually captured trailer angle is used to calculate the steering wheel angle independent of any special types of trailers or towbars.
› Mirror adjustment as part of the system. In this assistant, the mirror adjustment switch serves as a sort of joystick, and the driver can use it to adjust the desired driving direction of the car-and-trailer combination. The Passat takes the driver’s steering commands via the mirror adjustment switch and steers the vehicle; all the driver needs to operate are the brake and accelerator pedals. The Passat is turned by automatic control of the electro-mechanical servo steering system. It is always possible to make a correction by mirror adjustment.
› Driver is in charge. Trailer Assist can be deactivated by pressing the activation button again or by making a manual steering intervention. In this case, the vehicle-trailer is braked to a standstill. Trailer Assist also automatically slows the car down as soon as it exceeds a defined speed.
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