Ford is recalling more than 550,00 F-150 vehicles in the U.S. and Canada because the front windshield wiper motor may stop functioning, causing the wipers to stop working. The automobile maker said that the inoperative windshield wipers on the 2021-2022 models can reduce visibility in certain conditions, which could increase the risk of a crash. Recall notification letters are expected to be mailed in the U.S. on Jan. 3. Dealers will replace the front windshield