Audi is recalling about 1.2 million cars and SUVs worldwide because the electric coolant pumps can overeat and possibly cause a fire. The recall covers the 2013 to 2016 A4, the 2013 to 2017 A5, the 2012 to 2015 A6, and the Q5 SUV from 2013 to 2017. All have 2-Liter turbocharged engines.