Keyless Car Theft is Wrecking Merseyside Drives — Here's How to Stop It

What Keyless Theft Actually Is (In Plain English)

Your modern car key fob is always broadcasting a low-power signal. Get within a few feet of your car and it unlocks. Walk away and it locks again. Convenient — but it means anyone who can pick up that signal can also unlock and start your car.

Thieves use a £200 box called a relay amplifier. One person stands outside your front door catching the signal from your key inside (it goes straight through walls). Their mate stands by your car holding a second device that broadcasts that signal to the car. The car thinks the key is next to it. Doors open, push-button start works, they drive off. Quiet, quick, and the alarm system sees a legitimate unlock — so nothing triggers.

The Three Methods Hitting Merseyside Right Now

1. Relay Amplifier Attacks

Most common, easiest, and the one driving the 9-in-10 figure above. The signal-extender story above. Especially bad on detached houses where the key is kept near the front door (so the car). Most of the Crosby and Formby cases we hear about are this one.

2. Signal Jamming + Re-Lock Bypass

A jammer blocks your fob signal as you press “lock” walking away from your car. The car never locks. You walk in the house thinking you've secured it. Thieves come back an hour later, open it, and either drive it away (if they have a relay) or strip the contents. Common in car parks more than driveways but seen at park-and-ride spots near Aintree and round Liverpool One.

3. OBD-Port Programming

If they can get inside the car (smashed window, relay attack, whatever), they plug a tool into the OBD port and program a blank key in about 60 seconds. After that, your car drives normally for them, no signs of forced entry on the ignition. Heavily used on BMW, Mercedes and some Range Rover models.

Where It's Happening Around Merseyside

From customer reports, police bulletins and the dozens of installs we do off the back of a neighbour's theft, the pattern across the Liverpool City Region is clear:

If your postcode appears above and you've got a modern keyless car on the drive, you're not paranoid — you're on a target list.

The Layered Defence That Actually Works

No single product stops keyless theft. Anyone selling you a one-and-done fix is lying. What actually works is layering, so the thieves bail after the first or second obstacle:

Layer 1: Block the Signal at the Source

Stick your keys in a Faraday pouch (a signal-blocking sleeve, £10–£25) the moment you walk in the house. Keep the pouch away from the front door. Test it — drop your keys in, walk to the car, try to unlock. If it opens, the pouch is rubbish, get another.

Some newer fobs (BMW, Land Rover) have a motion-sensor sleep mode after 30 seconds of stillness — but rely on the pouch anyway, it's £15.

Layer 2: Physically Block the Car From Moving

This is where bollards come in and it's the layer with the biggest deterrent value. Even if a thief successfully opens and starts your car, they can't drive it through a concrete-set steel post. A telescopic bollard takes 5 seconds to drop when you leave, 5 seconds to raise when you return. On a target street, the houses without bollards get done; the ones with bollards get walked past. Simple as.

Bonus: same install often gets you 5–15% off your insurance — see our bollards & insurance guide for the real numbers.

Layer 3: Visible Mechanical Deterrent

A steering wheel lock or pedal box is the ugly cousin nobody wants on their Range Rover — but they work. A thief glances at the windscreen, sees a Disklok or a Stoplock, and the 30-second job becomes a 10-minute one. They move on. £80–£200 and it lives in the boot during the day.

Layer 4: GPS Tracker (For Recovery)

A Thatcham S5 tracker (£300–£500 fitted, monthly subscription) isn't prevention — it's recovery. Insurers love them, some Range Rover policies now require them. Worth pairing with bollards if your motor is £40k+.

Layer 5: Lights, Cameras, Doorbell

Motion-activated security lights, a Ring or Nest doorbell, a visible CCTV cam covering the driveway. None of these stop a determined relay attack but they make the easier targets next door look more attractive. Costs are low, deterrent value is high.

What Doesn't Work (Don't Waste Your Money)

• Factory alarm: Designed to sound on forced entry. Relay theft is a legitimate unlock — alarm stays quiet.
• OBD port stickers / blanks: Bypassable in seconds.
• Cheap car covers: Slows a curious neighbour, not a thief with a flatbed.
• Microwave / freezer / metal tin for keys: Yes, it blocks the signal — until you forget once and there's no second layer.
• Trusting the car's “motion sleep” alone: Newer fobs have it, older ones don't, and there's no way to tell from the outside. Don't bet your motor on it.

Quick Answer Checklist (Save This)

Do four of those six and your car is no longer the easy target on the street. Do all six and you're effectively un-stealable to anyone who isn't targeting you specifically.