The Mazda CX-90 is the latest model with remote start and stop that used to be on a key fob, but has now gone the way of in-app subscriptions.

Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.

Here's how thieves do it, and how you can protect yourself: How thieves hack your car Basically, they clone your key fob.

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.