BMW X3 Owners Manual > HDC Hill Descent Control: Increasing or decreasing vehicle speed
Specify desired speed in the range from approx.
4 mph/6 km/h to approx. 15 mph/25 km/h
using the rocker switch of the cruise control on
the steering wheel. Vehicle speed can be
changed by lightly accelerating.
Press the rocker switch up to the point of
resistance: the speed increases ...