My 2012 Cadillac CTS was burglarized by a thieves using an RF signal transmitter or amplifier that stole the rf signal from my remote when I was sleeping at home. my car was parked on the street and my remote was in the house. I never heard them, or even new it happened until I opened my car the next day to find it in disarray. Hardly anyone know's that thieves are doing this, and anyone that has a remote key-less entry is vulnerable. Watch this video...
Car Thieves' Hi-Tech Gadgets Baffle Police Video - ABC News