Whether you’re using your Cadillac for police, ambulance, fire, or rescue purposes, we have a CTS police siren to fit your needs. With a new CTS police siren, you’ll have things under control - that’s for sure! Everyone will hear you coming with one or more CTS police sirens hooked up to your Caddy! After you install a CTS police siren, your Cadillac will be known as "the SuperCaddy"!