KARR Bluetooth flaw exposes 2.2M cars to theft risk

Could a small device hidden beneath your dashboard make your car easier to break into? Nancy from Newtown, Pennsylvania, asked me where she should look for the KARR or SWDS "code" in her 2025 Cadillac XT5 and 2024 Hyundai Tucson Limited Hybrid. Here is the first thing you need to know. There is no code to find in your vehicle's settings. KARR and SWDS refer to aftermarket security hardware that a dealership may have installed before selling the car. SWDS stands for Southwest Dealer Services, the