A system for controlling a vehicle, comprising: a microphone; at least one vehicle component; and an interface system communicatively coupled to the microphone and the at least one vehicle component, the interface system configured to: detect, via the microphone, an utterance of a vocal command by an occupant of the vehicle; determine whether a virtual personal assistant, VPA, of the vehicle is present within the vehicle; responsive to determining that the VPA of the vehicle is present within the vehicle, transmit the utterance to both the VPA of the vehicle and a VPA of a mobile device positioned within the vehicle, receive a first control signal from the VPA of the vehicle, receive a second control signal from the VPA of the mobile device, and determine control signals for the at least one vehicle component by evaluating the first control signal and the second control signal; responsive to determining that the VPA of the vehicle is not present within the vehicle, transmit the utterance to the VPA of the mobile device, and receive control signals from the VPA of the mobile device; and transmit the control signals to the at least one vehicle component for controlling the at least one vehicle component. a microphone; at least one vehicle component; and an interface system communicatively coupled to the microphone and the at least one vehicle component, the interface system configured to: detect, via the microphone, an utterance of a vocal command by an occupant of the vehicle; determine whether a virtual personal assistant, VPA, of the vehicle is present within the vehicle; responsive to determining that the VPA of the vehicle is present within the vehicle, transmit the utterance to both the VPA of the vehicle and a VPA of a mobile device positioned within the vehicle, receive a first control signal from the VPA of the vehicle, receive a second control signal from the VPA of the mobile device, and determine control signals for the at least one vehicle component by evaluating the first control signal and the second control signal; responsive to determining that the VPA of the vehicle is not present within the vehicle, transmit the utterance to the VPA of the mobile device, and receive control signals from the VPA of the mobile device; and transmit the control signals to the at least one vehicle component for controlling the at least one vehicle component. detect, via the microphone, an utterance of a vocal command by an occupant of the vehicle; determine whether a virtual personal assistant, VPA, of the vehicle is present within the vehicle; responsive to determining that the VPA of the vehicle is present within the vehicle, transmit the utterance to both the VPA of the vehicle and a VPA of a mobile device positioned within the vehicle, receive a first control signal from the VPA of the vehicle, receive a second control signal from the VPA of the mobile device, and determine control signals for the at least one vehicle component by evaluating the first control signal and the second control signal; responsive to determining that the VPA of the vehicle is not present within the vehicle, transmit the utterance to the VPA of the mobile device, and receive control signals from the VPA of the mobile device; and transmit the control signals to the at least one vehicle component for controlling the at least one vehicle component.