After a couple of years of daily use, the battery inside the key fob remote control for the keyless entry system of a 2nd generation (2008, 2009, 2010, 2011, 2012 & 2013) Toyota Highlander can become weak or just stop working entirely. To view my DIY tutorial for changing the battery, including the replacement part number, click on the text link or thumbnail image below.
Toyota Highlander Key Fob Battery Replacement Guide
