Abstract: A heating system for heating a vehicle interior of a vehicle having an internal combustion engine by using a heat exchanger includes three temperature sensors, wherein a first temperature sensor measures the coolant temperature at a coolant outlet of the internal combustion engine, a second temperature sensor measures the coolant temperature at a coolant inlet of the internal combustion engine, and a third temperature sensor measures the coolant temperature upstream of at least one heat source. A first heat circuit couples the heat exchanger to the internal combustion engine, whereas a second heat circuit bypasses the internal combustion engine. The first heat circuit operates solely with the internal combustion engine as a heat source when a target inlet temperature of the heat exchanger is above a preset value; otherwise an additional heat source is switched in, optionally operating in addition to the internal combustion engine.

Abstract: A method for charging an accumulator of an electrically drivable motor vehicle, wherein a cooling device of the motor vehicle is operated in order to cool the accumulator during the charging of the accumulator, wherein the motor vehicle emits noise in dependence on the cooling power of the cooling device, including the steps: determining positional data for a position of the motor vehicle during charging, determining a maximum value for a noise emission on the basis of the positional data and while taking into account noise emission positional data, and taking into account the maximum value for noise emission with respect to the charging of the accumulator.

Abstract: A method for charging an accumulator of an electrically drivable motor vehicle, wherein a cooling device of the motor vehicle is operated in order to cool the accumulator during the charging of the accumulator, wherein the motor vehicle emits noise in dependence on the cooling power of the cooling device, including the steps: determining positional data for a position of the motor vehicle during charging, determining a maximum value for a noise emission on the basis of the positional data and while taking into account noise emission positional data, and taking into account the maximum value for noise emission with respect to the charging of the accumulator.

Abstract: A heating system for heating a vehicle interior of a vehicle having an internal combustion engine by using a heat exchanger includes three temperature sensors, wherein a first temperature sensor measures the coolant temperature at a coolant outlet of the internal combustion engine, a second temperature sensor measures the coolant temperature at a coolant inlet of the internal combustion engine, and a third temperature sensor measures the coolant temperature upstream of at least one heat source. A first heat circuit couples the heat exchanger to the internal combustion engine, whereas a second heat circuit bypasses the internal combustion engine. The first heat circuit operates solely with the internal combustion engine as a heat source when a target inlet temperature of the heat exchanger is above a preset value; otherwise an additional heat source is switched in, optionally operating in addition to the internal combustion engine.