How do I know if my 2010 Prius 12v battery is bad?
- Failure to start up or no response from the power button when attempting to start.
- Dim interior and exterior lights before starting that then brighten after putting the Prius in "Ready" mode.
- Loss of radio presets when turning on your Prius.
How do I know if my Prius battery is bad?
- A decrease in fuel economy. If you're not getting the gas mileage you should, it likely indicates that the battery is dying. ...
- Fluctuations in the state of charge. ...
- The battery's not holding a charge. ...
- The internal combustion system runs more than it should. ...
- Strange engine noises.
Can Prius battery be checked?
Prius is the battery life test. It is paid, so expect that, but it is incredibly accurate. The software was developed by people that have spent years working on Toyota Hybrids. The software accurately can tell how much life is left in your hybrid battery.2020-04-17