Thank you everyone for the input! Sorry I neglected to mention in my original post that the car's original battery failed in June. The one that just failed was the new 5-year battery and had only been in the car for 2 1/2 months. This seemed to suggest to me that the car was doing something...
Something in our 2011 Leaf was draining the 12 volt battery, and the EV system amber warning light would come on (and stay on) after the car was driven a few hundred yards. Although the dealer service department checked it out and said that water pump #1 was running 24/7 and draining the...