A Device Hidden in Cars Across the US Leaves Them Vulnerable to Hacking and Paralysis. Patch It Now - WIRED

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.

As modern cars have evolved into multi-ton computers on wheels, drivers are beginning to learn they need to install security updates for their vehicles' code, just as they would for a phone or laptop…