Steering Column Switch Cluster
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
The steering column switch cluster (SZL) sends the signals from the Active Cruise Control (ACC) or the Cruise Control (FGR) to the head-up display.
The settings of the ACC or FGR are selected using the steering column switch.