Hello All, I've been look over information on Key Fobs for my 2008, still new to me since March 2016, Prius. I used to be able to walk up to the car with the fob in my purse, pocket or hand and get into the car or even start it up. Now it is not doing that. I can hit the Unlock button and get in, sometimes I can start it, only if the green lights are noted on the Start Button. The Lock button seems to lock it as well I am thinking and seeing from other threads that this is a Battery Issue. Yes??? Thank you!