12V Battery Drain and "Bricking"
SeriousElectrics & ElectronicsThe 12V battery can drain if the car sits for a few days or during scheduled charging, preventing the car from starting or even opening the electronic boot.
Est. Repair Cost: £150–£400
Warning Signs:
Car fails to wake up, Service EV System warning, Lost seat/mirror memory settings
What to Inspect:
- Check battery health and type (prefer AGM)
- Ask about software update history for 12V charging logic
- Verify the car has been used regularly
Verified by IsItAGoodCar Research Team