If you already have a crack or chip in your windshield, the hot sun of summer won’t do it any favors. In fact, if you don’t have the chip repaired quickly, the sun and heat can increase its size and expand it beyond repair.
Contrary to what some may believe, heat and sunlight will not cause damage to your auto glass, but rather increases existing damage to glass. If your vehicle has been parked outside in the hot sun for days and you find a new crack on the windshield, it’s because there was already minor damage that was invisible before. This can also happen when there is a dramatic and sudden change in the temperature of the glass, so don’t blast your car’s A/C system as soon as you get inside on a hot day.
The best way to make sure your windshield remains in good condition through the summer is to check frequently for existing damage, especially after long road trips and when a rock hits the glass. If you find even minor chips or cracks, it is best to have them addressed right away, before they get worse. Small repairs can be done rather quickly and inexpensively, while extensive damage will result in your vehicle spending more time in the shop and more money out of your pocket.