The car/engine should stop immediately. If everything doesn't stop or your wiring and the cut-off switch itself isn't up to par, this could be a real issue and even cause electrical damage to the car.

If you store your car any length of time, then a dead battery is a real possibility. The easy solution is installing a battery disconnect switch, and we’re here to show you how.

To complement the battery box, we also ordered a battery cutoff switch (PN SUM G1432) from Summit; at less than $20 it's a steal. The switch will allow us to shut the battery off in the case of a ...

One clever way to keep your car from being stolen: Put in a kill switch (or better yet, several of them) that can cut off the flow of electricity in your car.

The device connects to a car battery and cuts off power when the key has disabled it. Car thieves trying to do a fast job don't have time to figure out what's wrong and will leave the car alone.