Do You Really Need and Air Conditioner?

My 2013 Range Rover Evoke has a brake noise how can I stop it? Why does my 1995 Ford F150 have a check engine light on and chugs? My 2000 Dodge Dart has a clunk under the hood is it a motor mount? Why does my ac switch not work on my 1995 Thunderbird? Why do my windows roll down by themselves on my 2016 Ford Fusion? My 2000 Ford F350 wont start do I have dead batteries? 1992 Ford Town car has multiple problems. 2008 Ford F250 wont take fuel just kicks back.