I have the 2015 i20, that is currently out of warranty. My car has a peculiar problem wherein the ac stops cooling after maybe one hour of driving. If I then switch off the ac and change the intake to outside, I get cooler air. After sometime, I can switch on the ac and I will get cold air for...

Since the 2018 Hyundai Tucson doesn't have a radiator cap, is there any way to get rid of any air that's trapped inside the cooling system? My wife's 2018 Tucson with the 2.0L, has terrible heat in the winter, as many of you probably already know. We live in Upstate, NY and the winters can get...