In the last couple weeks, the battery in my 2012 V-6 convertible has been completely discharging if I don't drive the car for about 5-7 days, so I bought a new battery today. I've had good luck with DieHard; I got 6 years out of a Silver purchased from Sears in 2018. So I got a Gold version from Advance Auto Parts. I understand AAP is not using the same manufacturer that Sears used, but all batteries seem to be manufactured by a small set of suppliers.

I did some Googling, and found...

Battery Management System (BMS) reset for S197