Most remotes use rolling codes to communicate with the car—meaning that the remote sends a different coded signal every time you push the button.

This new rolling code technology worked by syncing the transmitter found inside your fob remote with a controller chip located in a receiver that's in your car.

Hackers have uncovered ways to unlock and start nearly all modern Honda-branded vehicles by wirelessly stealing codes from an owner’s key fob. Dubbed “Rolling Pwn,” the attack allows any ...

Researcher Samy Kamkar reveals RollJam, which intercepts unlock and lock codes passing between digital keys and cars. He claims it effectively works as a universal remote capable of unlocking all ...