So this was unexpected. I didn't know the battery could drain out this quickly.

I decided to run the car through a car wash on my way home from work. It's one of the type that you sit inside, put the car in neutral and it pulls you through the rotating brushes and out the other end. About 4 minutes long.

I entered the car wash with the needle about 1/2 of the way in the blue section of the battery bar. I watched the battery indicator start to drain very rapidly. It hit the tick mark at the bottom of the blue section and a buzzer came on. The screen under the speedometer told me to put the vehicle into park. About 45 seconds later it went from that tick mark to the very bottom tick mark of the battery meter, and my HV Battery warning light came on just as I got the green light to drive away at the end of the car wash.

Once I put it in drive, the ICE started up and began charging up the battery, but it took about a minute for the HV battery light to turn off.

I've read some from drivers who couldn't start their vehicle after the HV battery is fully drained. If I had taken a full service wash and an attendant had pulled it over to an interior cleaning station 20ft away and shut off the motor, is it possible it might not start back up.