12V Battery Voltage Drop
MinorElectrics & ElectronicsCommon on many modern Toyotas; the 12V battery is small and can go flat if the car isn't driven for a week.
Est. Repair Cost: £120–£220
Warning Signs:
Car won't enter READY mode, Random warning lights, Remote locking fails
What to Inspect:
- Battery age and voltage after 24h rest
Verified by IsItAGoodCar Research Team