It always rubs me the wrong way when in a movie there is a dialogue scene in a car going at a steady pace, and yet in the background you get a recording of a mo

It always rubs me the wrong way when in a movie there is a dialogue scene in a car going at a steady pace, and yet in the background you get a recording of a motor revving up and shifting back down in a loop. Like a Shepard tone, but with a car.