Chris and her family were a few hours into their car trip when her hubby noticed that the engine was starting to overheat. He insisted on turning the car's heat on and, whoa nelly- it got hot in there. What was hubby thinking? Find out on this episode of the Best of Car Talk.Get access to hundreds of episodes in the Car Talk archive when you sign up for Car Talk+ at plus.npr.org/cartalkLearn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy