A dashboard light came on (the one behind the Shiva image). It looked like an old video camera or a clumsy Aladdin's lamp, but I knew it was neither.
I immediately took a photo and texted it to Dreyfus: "What does this mean?"
"Check Engine," he replied. I envisioned a long and expensive trip to the mechanic. The mind protested.
A few hours later, he texted "Could be a loose or worn-out gas cap." and attached this article.
So the next day I fiddled with the gas cap after parking at the Fancy Health Club.
After class: no light!