When your vehicle won’t go what do you do? You check for fuel, and if there is plenty, you check for spark—that is, if you carry a plug wrench. When my mother was a young woman in 1930, she was driving her dad’s car when it just stopped. She opened the hood and looked around for anything obviously amiss. Ah, here’s a loose wire. Could that be it? She found a place that looked right and reconnected it. The car started and she was on her way. Instead of doing nothing and waiting to be rescued, she took action.