Complex sentence: Sales began in November 2009 for the 2010 model year, and was discontinued for the 2016 model year due to slow sales, along with the Element (which was discontinued in the second year of the Crosstour).
Split into simpler sentences: Sales began in November 2009 for the 2010 model year, and was discontinued for the 2016 model year due to slow sales. Along with the Element (which was discontinued in the second year of the Crosstour).