When I use the electronic key fob to lock or unlock my car, no other car parked nearby has its locks activated. This is as it should be, but how does the system work?
• One evening, I went to the market after dark and purchased groceries. Upon leaving, I went into the parking lot and, seeing my blue car, pressed the fob, got in and drove off. But when I looked over at the passenger’s seat, I saw items that weren’t mine and realised I wasn’t in my car, but somebody else’s.
I quickly returned to the parking lot, but…
