How To Break A Car Window With A Spark Plug. To break it from outside you can have a spark plug and break its insulator white shell-like structure into pieces and then throw those pieces all together on the car window from a certain distance. I highly doubt it would be silent.
They are easily available and accessible as they are found in the engine of the car. Advantages of spark plugs in breaking car windows. Even though you are locked out of the car you just open the bonnet get one break the window and access your car.
A car window is made up of tempered glass which is tougher and doesnt collapse easily.
To break the cars side window or back windshield. The side widows are made of tempered glass that while strong can be broken with a strong blow. Then tries to do the same with a rock. Spark plugs break any glass so easily that a spark plug contains ceramic parts and the object that breaks the glass easily.
