Changing the Battery on a Toyota Prius Key 2010-2012 Fob Keyless Entry - YouTube
How To Replace 2010 - 2015 Toyota Prius Key Fob Battery - Change Replacement Prius Remote Batteries - YouTube
Key battery low." Oh great, what's that going to cost me? $400 and can only be done at the dealership? Oh, you can open the fob with the key itself and replace