After a few years of daily use, the battery inside the combination ignition key and keyless entry system remote control of a new Type 312 (2008, 2009, 2010 & 2011 in the UK, Europe and South America & 2012, 2013, 2014 and 2015 in the USA) Fiat 500, can become weak or stop working entirely. Check out my DIY tutorial for the procedure (including the replacement part number) by clicking on the text link or thumbnail image below.
2008-2015 Fiat 500 Key Fob Battery Replacement Guide
