The issues that arise when a heavy keychain pulls down on the ignition is that it can add stress to the ignition and potentially wear the ignition out prematurely. That can cause your vehicle to not ...
The device thieves are using is not illegal on its own. It is something mechanics typically use. Interview with Orangetheory Fitness Owner Nick Ahlering.
Modern car thieves don't need to break windows or hot-wire ignitions anymore. They're using relay attacks to steal keyless entry vehicles in under 30 seconds, often while you're sleeping upstairs.