[header] How to keep your phone cool in the car [title] Keep your phone on a vent mount with air conditioning on if you need to use it. [step] If you need to use your phone while you're in your car, purchase a mount that attaches to one of the dashboard air vents. Turn on the air conditioner so it keeps your phone cold. 
[substeps] Be aware of the laws where you live about using your phone while driving. Keep your safety and the safety of others in mind.