 Tune up Tuesday on Michiana's Morning News. I'm John Zimney, and in the studio with me is Mike Wordinger with Monty's Best One Tire and Auto Care. 13 locations across Michiana, plus the tire shop on wheels. It comes to you when there is an issue. Well, we're in the throes of summer now, and it's hot outside, but let's talk about your car's internal temperature and what to do when your car overheats. I would say that's probably the biggest failure in a car is the cooling system.