Control apparatus for a vehicle with a retractable speaker

A control apparatus for a vehicle includes a speaker, a first bracket, a second bracket, an engagement mechanism, a vehicle collision detector, and a vehicle processor. The speaker is configured to output a notification sound that notifies surroundings of an approach of the vehicle. The first bracket holds the speaker. The second bracket movably supports the first bracket and is configured to be fixed to the vehicle. The engagement mechanism detachably engages the first bracket and the second bracket. The vehicle collision detector is configured to detect a collision of the vehicle. The vehicle processor is configured to move the engagement mechanism, based on a detection signal of the vehicle collision detector. The vehicle processor is configured to, in response to an input of the detection signal, move the engagement mechanism, and release the engagement of the first and second brackets and move the first bracket toward the inside of the vehicle.