The best place to start when troubleshooting any electrical problem with your 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015 Fiat 500 is to check for a blown fuse or relay in either the engine bay or interior passenger compartment electrical panels. Check out my DIY tutorial for the procedure, including photo illustrated steps, by clicking on the text link or thumbnail image below.
2008-2015 Fiat 500 Electrical Fuse Replacement Guide
