I'm confused. I thought normal replay attacks are solved and the issue here is more to do to forward they key range close to the car to simulate the car.key be

I'm confused. I thought normal replay attacks are solved and the issue here is more to do to forward they key range close to the car to simulate the car.key being close. That's what I can't easily just solve if not needing a button on the key which defeats the purpose of the said feature