jth4 wrote: ↑
Mon Jun 24, 2019 1:30 pm
Moral of the story: don't use Accessory Mode! If you just start the car like normal, the 12v won't drain.
Thanks again! And hope everybody's enjoying the clean speed of the Spark! It's a fun ride for sure!
Another factor in the life of the 12V battery is it's history
of sitting unused, unloved on dealership parking lots for months at a time.
All lead acid batteries degrade if allowed to self discharge and stay there.
Plus these cars have the Onstar (cellular) and key fob receivers powered up all the time.
Mine is hanging in there at +4 yrs, maybe over 5 yrs.
I put an anti-sulfation charger on it occasionally for a few days when I'm not using it. That may help...
Used '14 2LT w/ DCFC.
+68 K miles. Mostly free electrons! Only one LONG visit to the shop....
GM needs Modern Troubleshooting tools for Modern EV's.