Dossier
12V battery issues
Coverage of 12V battery issues in the Nexus archive.
- Kia’s flagship EV has a battery problem
Kia's flagship EV9 model has experienced widespread 12-volt battery issues, leaving some owners unable to unlock or start their vehicles. One user described a dead EV9 on their driveway, requiring manual key access and a booster to revive the 12V battery, a problem linked to low-voltage electrical system failures.