This box blocks electromagnetic signals, preventing robbers from intercepting and relaying the sign from the vital fob to unlock and start your car. Putting your vehicle keys During this when planning to snooze during the night time can avoid keyless vehicle theft. Each individual recommendation is based on confirmed information https://www.trackerfit.co.uk/blog/rising-concerns-over-keyless-car-theft-devices-how-trackerfit-can-help/