Cliff wrote:KISH, I appreciate your technical expertise! I'm not that technical - I'm just a guy with a 2016 Soul EV+, 31,000 miles, that originally had a 92 mile range, now 65. It has been dropping 1 mile per week for the last 6 weeks. Troublesome. I am also in SoCal, Orange County, specifically. You mentioned some capable dealers. Any recommendations? Sounds like I should get that SOH report soon...
I don't think it will necessarily matter which dealer you take it too. The less technical explanation is they will hook up to a port (OBD) in your car to check your battery state of health (SOH). This is what is discussed above. When your battery SOH drops below 70% is what triggers the warranty.
I'm currently at about 62 miles on a 100% charge, so I'm also getting close. You might want to wait a bit before heading into the dealer. If they test your car and it shows 71%, you might just have to wait a few more weeks for it to drop below 70% and trigger the warranty. Once the dealer test shows less than 70% you should either get a new battery (more likely) or they restore your battery to 70% by some means (less likely).