After a few years of daily locking and unlocking, the battery inside the key fob remote control for a second generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016) GM Buick LaCrosse can become weak or stop working entirely. Check out my DIY instructions for the procedure (with the replacement part number) by clicking on the text link or thumbnail image below.
2010-2016 Buick LaCrosse Key Fob Battery Replacement Guide
