The Telematics Control Unit (TCU) and the interface box 'High' (ULF-SBX-H)
control units are connected to
the MOST bus. TCU and interface box 'High' may both be fitted in the vehicle for
certain equipment options. In
this case, the telephone function is always implemented in the TCU.
The head uni
Concept
In the valet parking mode, the Control Display is
locked. The operation via iDrive is no longer possible.
E.g., this mode can be used when the vehicle is
handed over for valet parking.
General information
In the valet parking mode, it is not possible to
change vehicle settings via iDrive. P