He also laments that his iPhone, powered by Verizon, doesn't yet allow users to simultaneously use the telephone while performing email and Internet functions.
The entire BRABUS multimedia system is controlled from the passenger seat or the rear compartment by two iPads that also control the car's standard COMAND system with all functions such as radio, navigation system and telephone.
Indeed, it may be that the whole idea of a telephone comes to be seen as an anachronism, as personal digital devices take on a bewildering range of new functions.