Is Keyless Entry Making It Easier For Thieves to Steal Cars?
Keyless entry has revolutionized car access—but it’s also opened the door to sophisticated theft. Instead of breaking in, thieves can now intercept and mimic your key fob signal in seconds. Understanding how keyless entry theft works is the first step to defending your vehicle, wallet, and sanity. This article explains the risks behind your button-click convenience, offers real-world data, and gives you actionable steps to safeguard your ride. You deserve peace of mind—and this guide will help you reclaim it.
What You Need to Know About Keyless Entry Theft

Relay Attacks: The Silent Threat
Thieves use “relay devices” to amplify your key fob’s signal from inside your home and trick your car into unlocking and starting. These attacks take mere seconds—some thieves do it in less than 20 seconds. Cases are rising sharply; in the UK, up to 60% of car thefts involved signal relays last year. Vulnerable models include Hyundai, Kia, Tesla, and other brands, both luxury and mainstream. With such stealth, it’s clear this isn’t Hollywood fiction—it’s happening now.
Keyless Theft Isn’t Just Hype
According to Aviva and UK police, owners of keyless vehicles are twice as likely to face theft claims. Insurance data shows up to a 3.1% theft spike during keyless tech adoption periods. Meanwhile, in England and Wales, thefts climbed 84% in a decade, 40% tied to remote devices. Thieves are also using CAN-bus hacks and key cloning to access locked cars. The data paints a clear picture: your convenience might be putting you at real risk.
Your Living Room Starts the Heist
Leaving your key fob near the front door? That’s an invitation enough. Thieves park outside your house, relay the signal, and your car cooperates—all without a broken window. One victim lost a Range Rover like this—even with the key still inside. These tactics aren’t limited to luxury vehicles; they’re hitting everyday models too. Awareness is critical—convenience shouldn’t cost you everything.
Simple Steps That Actually Help
You don’t need to be paranoid—just proactive. Store your fob inside a Faraday bag or metal pouch to block the signal. Steering wheel locks, motion-sensing lights, and CCTV add deterrents that thieves hate. Turning off keyless entry or reprogramming fobs also helps. Even tin foil can protect your fob in a pinch, but tested Faraday products are safer. These steps cost a few bucks but might save thousands.
Automakers Aren’t Always One Step Ahead
Some brands, like Hyundai, are now facing lawsuits for not warning customers about vulnerabilities. Many models sold before 2022 lacked proper immobilizers and stronger encryption. Though automakers are rushing software updates and better security, the fixes are often reactive, not preventive. While companies like Tesla offer PIN-to-drive features, many owners don’t enable them. Staying informed and demanding stronger safety features can help close this security gap.
Tech Is Evolving—Stay Up to Date
Researchers report continuous breakthroughs in car-hacking methods—relay, replay, clone, CAN-bus, and now BLE attacks. Defenses like RF fingerprinting and ultra-wideband aim to stop signal replication, but adoption is slow. As criminals innovate, you need to evolve your defense too—don’t depend solely on factory security. Regularly check for firmware updates or recall notices from your carmaker. And if you buy used, ask explicitly about keyless vulnerabilities and safeguard history.
Keyless Entry: Convenience or Compromise?
Keyless entry theft isn’t just a warning label—it’s a present-day issue demanding smart action. By understanding the risk and using simple defenses—Faraday bags, locks, proper key storage—you reclaim control over your car’s security. Technology should simplify life, not endanger it. Keep your ride safe, your wallet secure, and your peace of mind intact by treating convenience as a privilege, not a vulnerability.
Have you ever had a suspicious close-call or used a Faraday pouch? What security hacks work for you? Share your stories and tips in the comments!
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