How to protect your car from theft in 2025 with real advice

Learn how to protect your car from theft in 2025 with proven methods: keyless entry risks, Faraday pouches, software updates, physical locks and legal changes.

In 2025, protecting a car from theft feels less like paranoia and more like a daily necessity. U.S. data shows a 17% drop in vehicle thefts in 2024 after a spike in 2023, yet the most stolen models still include the Hyundai Elantra, Sonata, Honda Accord, Kia Optima, and Chevrolet Silverado 1500. In the UK, the issue has reached Parliament, where a new law aims to ban devices used in keyless car theft, carrying penalties of up to five years in prison.

The methods are increasingly sophisticated. Relay attacks on keyless entry remain the leading threat: intercept the fob’s signal, and the car “believes” the key is nearby. Police guidance highlights simple but effective measures—store keys away from entry doors, use tested Faraday pouches, and disable passive entry when possible. Experiments have shown that makeshift tricks like hiding keys in a fridge or tin box don’t reliably block signals and may damage the electronics.

Another rising concern is emulator gadgets, often dubbed “Game Boy” devices. Reports and lawsuits mention that a Hyundai Ioniq 5 could be stolen in under 20 seconds with such a tool. Hyundai has offered paid upgrades, though owners are demanding stronger protections. The third risk comes through the OBD port and CAN bus, where attackers can program new keys. Experts recommend OBD locks and certified immobilizers as effective defenses.

Manufacturers’ updates also matter. Hyundai and Kia rolled out free anti-theft software and steering column shields starting in 2024. According to the Highway Loss Data Institute, theft claims dropped by 46% and successful thefts by over 50% after the updates. Yet vandalism claims rose, likely reflecting failed break-in attempts.

Physical barriers remain relevant. Steering wheel locks, pedal and gearshift blockers certified under the UK’s Secured by Design program still deter thieves, often by signaling that a car will take too much effort to steal. Insurers increasingly require certified trackers (S5/S7), especially for high-risk models such as Range Rovers.

Digital footprints play a role too. In the UK, proposals would allow police to seize stolen goods tracked via GPS without a warrant, making the proper setup of vehicle telematics systems more important than ever.

The bottom line is clear: car protection in 2025 is all about layered defense. No single measure is enough. A Faraday pouch, a visible mechanical lock, regular software updates, and disciplined driver habits work best in combination. Experts emphasize that it’s this mix—basic behavior, official upgrades, and certified physical defenses—that offers the strongest safeguard against theft today.