I promise you there are not. In fact, I'll challenge you to find some data supporting your promise. I can't find any. I find some that says steering wheel lock

I promise you there are not. In fact, I'll challenge you to find some data supporting your promise. I can't find any. I find some that says steering wheel locks work. I find some that says stuff that shuts off the car works. But none that finds that alarms do anything. "Highway Loss Data Institute studies show no overall reduction in theft losses for vehicles with alarms" (from 74 million car insurance data) https://web.archive.org/web/20040804022308/http://www.silentmajorityny.org/links/hldi-article.pdf https://web.archive.org/web/20040804022308/http://www.silent... https://www.theatlantic.com/business/archive/2016/05/car-alarms-dont-work-why-so-common/482769/ https://www.theatlantic.com/business/archive/2016/05/car-ala...