When the 12 volt battery dies does the key fob need to be reprogrammed

When the 12 volt battery dies does the key fob need to be reprogrammed 1 Answer

how to reset the auto door entry on 05 prius key fob. manually you can lock/unlock, but it will not recognize the fob when accessing the vehicle. new battery and inserted into dash slot did not fix. 13 Answers

was working fine until grands got in and played inside, now auto unlock will not work on the key fob.

what do i do next i recharged my 12 volt under front hood battery but the car still has no power to anything ? 1 Answer

what do i do next ? i have charged the 12 volt battery under the hood. but the Prius 2005 still does not show any lights anywhere no dash not starting nothing?help!

2013 Prius door fob works when the open button is depressed but not automatically when approaching the driver's side door. Any fixes? Dealer says they have to take apart door to check. 1 Answer

The fob which is designed to open driver's side door automatically when near stopped working on both fobs. New batteries in fobs did not change things. Dealer says they have not seen this problem ...

How often/far do I need to drive my 2015 Prius in order to be sure the battery won't run down? 1 Answer

I'm abroad for 4 months and have left my 2015 Prius with a friend. He is driving it around the block (approx 1/2 mile) once a week to make sure the battery doesn't run down. Is that enough?