12V Auxiliary Battery Drain
ModerateElectrics & ElectronicsThe 12V battery can drain quickly if the car is not driven for more than a few days, leading to a "dead" car that requires a jump start.
Estimated cost: £150–£250Affects: 2018–2022Often appears around: Any
Typical symptoms
- •Car won't unlock
- •Flickering dashboard lights
- •Hybrid system warning on startup
What to inspect before you buy
- ✓Ask if the battery has ever been replaced
- ✓Check for a trickle charger in the boot (a common owner addition)
- ✓Test the voltage after the car has been sitting