A control device (1) for adjusting a digital assistant of a vehicle (10) in a driving mode and a non-driving mode of the vehicle (10) is provided. The control device (1) is configured to receive (S1) sensor data from at least one sensor (2) of the vehicle (10) in the driving mode or the non-driving mode, determine (S2) an event based on the received sensor data using at least one lookup table, retrieve (S3) an emotion associated with the determined event from the at least one lookup table, adjust (S4) at least one acoustic parameter of the digital assistant based on the retrieved emotion, and control (S5) the digital assistant to express the retrieved emotion by providing a voice massage associated with the retrieved emotion, using the adjusted at least one acoustic parameter.