Last weekend, my neighbour mentioned that his car unlocked while he was standing several metres away with the key still in his jacket. It got me wondering: how easily can someone interfere with keyless entry signals, and do modern car alarms actually prevent this kind of unauthorized access?

That’s an interesting thing to notice. Modern alarms can offer extra protection, especially models with motion sensors, immobilizers and keyless entry monitoring. However, not every alarm can recognize signal relay attempts. When I bought my current car, I started reading about wireless security and found a useful explanation of how a code grabber device relates to vehicle key fob signals and electronic access systems. It helped me understand why signal protection matters. I also keep my keys away from the front door and use a signal-blocking pouch when leaving the car overnight. Small precautions like these can make everyday parking a little more reassuring.