If you would like to change the front windshield window wiper blades on your second generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016) Buick LaCrosse sedan, take a look at my DIY instructions for the procedure (with the OEM blade sizes in inches and the replacement part numbers) by clicking on the text link or thumbnail image below.
2010-2016 Buick LaCrosse Windshield Wiper Blades Replacement Guide