The importance of shielding the car from sun damage when you park your vehicle in the direct sun for a long period of time, it can cause it to become overheated both indoors and outdoors The temperature inside your vehicle could exceed 145 degrees Fahrenheit while the temperature outside of your car could be the temperature of 200 degrees F. outside , including its mechanical components like batteries, engines and electrical components too In the next article about the effects caused by sunrays on every part of your car , as well as the best way to maintain it in and out. Source Link