Start / Stop suddenly started working after 3 years of not working… WHY??? | SwedeSpeed
I have a late MY17 T6 Momentum bought new in 8/2016 and am still running the ORIGINAL OEM main battery. My start/stop stopped working (yay!) around December 2022. After reading the forums, I thought I’d replace the AUX battery to see if it would help. I replaced it Jan 2023 at 83k miles, but it…