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ACC is one of many driver assistance systems in the new Arteon.

The Arteon is a gran turismo with a natural talent for long distances. Its adaptive cruise control (ACC) system with predictive speed control offers a greater level of comfort on long drives. The further developed version of ACC can now also incorporate speed limits for the first time. This electronic assistant used to be known solely for its cruise control: just set the desired speed and that’s it. Within its system limits, ACC can slow down or accelerate. So far, so good.

But if you’ve ever driven a car with ACC, you know how desirable it is for a cruise control system to factor in curves and speed limits. The Arteon is the first Volkswagen to do precisely this. Within its system limits it responds to curves and speed limits and integrates them into its automatic speed control.

How ACC works:

It uses a radar-based sensor, a camera in the windshield, and route data from the navigation system. Thanks to the camera and an associated road sign recognition function, the Arteon can “see” the speed limits, and ACC can adjust the speed accordingly. Thanks to the route data, ACC can even integrate these in advance. This “speed assistant” offers a major increase in comfort, especially on long freeway stretches with frequent changes in the speed limit.

A “curve assistant” works in parallel to this. It uses route data from the navigation system to detect the car’s position within the system limits, and adjust the speed before curves, roundabouts, and intersections. It can also recognize town entry and exit signs. ACC is integrated into the Front Assist ambient traffic monitoring system with City Emergency Braking. In combination with a DSG automatic transmission, the Arteon with ACC can also automatically move off again – for example, in stop and go traffic.

ACC (together with DSG) is active at speeds from 0 to 210 km/h, with cruise control starting at 30 km/h. As sketched here, predictive speed control provides more comfort and convenience. At the same time, predictive braking and accelerating functions can also help to lower fuel consumption.

The important point here is that ACC with predictive speed control supports drivers within the system limits, but drivers retain control of their cars at all times and are therefore responsible for their cars in every situation. Drivers can always “override” this semi-automatic system by turning it off, braking, or accelerating.