Abstract: The invention relates to a remote action system for a vehicle, comprising a first functional unit of the vehicle and a mobile data terminal having a first application module, which is designed to be loaded onto the mobile data terminal and installed there by a user, to provide the user with a preferably graphical user interface adapted to the first functional unit, and to exchange data with the first functional unit by means of at least one mobile communication channel. Thus, a mobile telephone or smartphone having an app can be used a remote control of an air conditioner.

Abstract: A fuel-operated heating device is provided which is adapted to provide heat by conversion of fuel with combustion air. A control unit of the fuel-operated heating device is adapted to control operation of the fuel-operated heating device. The control unit of the fuel-operated heating device is adapted to control at least one electric heating element as a slave.

Abstract: A mobile heating device, in particular a vehicle heating device, is provided. The mobile heating device comprises: a burner in which fuel and combustion air are convertible producing heat; a combustion air supply for supplying the combustion air to the burner; and an exhaust gas outlet for discharging combustion exhaust gases from the burner. A hydrocarbon storing element is arranged in the combustion air supply and/or in the exhaust gas outlet. Further, a combustion air supply sound absorber for a mobile heating device and an exhaust gas outlet sound absorber for a mobile heating device are provided.