General Motors, the largest U.S. automaker, is recalling some Cadillac and Impala cars while Chrysler called back some Jeep and Dodge sport utility vehicles, according to government reports on Saturday. The GM recall may affect 132,921 vehicles, including 2013 to 2015 Cadillac XTS models made from Feb. 14, 2012, to Aug. 22, 2014, and 2014 to 2015 Chevrolet Impalas made from Jan. 15, 2013, to Aug. 22, 2014, the National Highway Traffic Safety Administration said in a Sept.