A Bluetooth vulnerability in dealer-installed KARR and SWDS security devices puts 2.2 million vehicles at risk of being unlocked by nearby attackers.

Many dealers offer optional alarms as an add-on when you buy a vehicle from them. One company called Karr sells such systems and is a leader in this space, with its tech installed in approximately 2 ...

A security flaw in an aftermarket car alarm called KARR lets anyone standing within about five yards unlock a vehicle and disable its alarm, according to researchers at the University of California ...

Dealerships installed alarms in millions of vehicles—and left them in even if the buyer didn’t want them. Now researchers warn they can be hacked to unlock, track, and disable cars. That's the ...

Millions of vehicles across the United States may contain dealer-installed security hardware with a vulnerability that researchers say could allow nearby attackers to unlock doors or even disable a ...

More than 2 million vehicles are at risk of being stolen, according to security researchers at University of California San Diego. A report released last week says 2.2 million cars on the road today ...

A KARR Security Systems sticker on a vehicle window, July 29, 2026. Researchers at UC San Diego found a glitch in an anti-car theft system that could make millions of vehicles in Southern California ...