I forgot that some LP gas leak detectors don't shutoff the gas when they detect a leak (glad I don't have one of those).
Not long ago, Shirley noticed that the fridge wasn't running on gas while we were driving down the road. I told her to try resetting it a couple of times and if it still fails, just shut it off until we stop somewhere. It wouldn't relight so she turned it off. This happens sometimes when it's real windy. We stopped for lunch sometime later and found we couldn't light the gas stove. I went outside and found the LP gas tank gauge showing FULL and the main gas valve ON. Then I remembered. Earlier in the day before we drove off, the LP gas detector alarm had gone off while I was walking out the door. I asked Shirley to reset it and it'll probably be OK because it did that just a day or two before. I went outside for a minute to get the toad ready and when I came back in again, the alarm was off so I assumed all was OK. What happened was that when she turned the LP gas leak detector OFF, she thought she was turning it ON. When the alarm sounds, the switch stays in the ON position. The darned thing is mounted on an inside wall real close to the floor, so you almost have to get down on your hands and knees to see the switch setting. And then she forgot that it chirps for awhile when it comes on and then quits chirping. Anyway, all I had to do was turn it on to get the fridge and gas stove to work again. ;D