In this subtitle, the following words have the meanings indicated. “Audible status indicator” means any sound reproduction device on a vehicle that emits a continuous or near continuous sound for the purpose of:warning that a vehicle alarm system has been installed on the vehicle and is operational; or creating the appearance that an alarm system has been installed and is operational. “Vehicle alarm system” means an alarm system that is attached to a vehicle and has an audible noise annunciator, such as a horn, bell, or siren. City Code, 1976/83, art. 19, §28B(a) Ord. 98-263