Dozens of newer Toyota and Lexus vehicles are being stolen across Ontario with a simple trick that allows the thieves to just drive the vehicle away, CBC News reports.

To steal the vehicles, the thieves use an amplifier to boost the signal of the car’s key fob, assuming it’s within range of the vehicle. The signal is then captured, and the car can be driven without the fob nearby. More than 100 vehicles from across Canada have been stolen so far.

While Toyota and Lexus vehicles seem to be targeted most often, it’s likely any vehicle with a key fob could be broken into using this system.

Read more here.