An auto accessory is an item that can be added to a vehicle to enhance its performance or appearance. Common auto accessories include an ALARM, which is a security device that emits a loud sound when triggered; an AERIAL, which is an antenna used to receive RADIO signals; a STEREO, which is a device that plays music; a RADIO, which is a device that transmits and receives audio signals; a BRA, which is a device that reduces the amount of braking force needed to stop a vehicle; an AMFMRADIO, which is a combination of an AM and FM RADIO; REVOCTAES, which are devices that convert electrical energy into mechanical energy; and a seatcover, which is a protective covering for a vehicle's seats.