For a VW Golf 7 with adaptive cruise control (ACC), it works like this:

- if you have a manual gearbox, the minimum speed for ACC is 30km/h.

- if you have an automatic gearbox, the minimum speed for ACC is 0km/h, which means that you can just push the Resume button on the steering wheel to start moving again. Very useful if you live in an area with lots of traffic jams.