Gallery: 7 Reasons to Never Leave Your Dog in a Car Share this Article: Print Tags: Dog Health, Dogs, Summer Pet Safety 1. Cars Aren't CoolA car’s temperature will rise approximately 40°F in an hour, even on a relatively cool 72°F day. (Photo: Thinkstock) 2. Cars Heat Up Fast!Most of a car’s temperature increase is within the first 30 minutes. (Photo: Thinkstock) 3. Windows Don't HelpCracking your windows doesn’t stop the heat from increasing. In a paper in the journal Pediatrics, it was shown that cars with the windows cracked still reached the same temperature as those with the windows closed. (Photo: Thinkstock) 4. Your Car Becomes an Oven on Hot DaysOn a hot day, cars can reach 120°F in just a few minutes. (Photo: Thinkstock) 5. Shade Doesn't HelpDogs can succumb to heatstroke even when the car is in the shade. (Photo: Thinkstock) 6. The AC Isn't a FixLeaving the air conditioning on and the car running does not guaruntee your dog’s safety. Not only could the air conditioning break, but you run the risk of noxious fumes building up. (Photo: Thinkstock) 7. Find Another WayLeave your dog at home on hot days, or find alternate ways to run your errands. Need ideas? Click on the image above for our five favorite alternatives to leaving your dog in the car. 8. Share the Infographic!Click on the image above for all of these reasons in one easy-to-share, printable infographic. You’ll also find the code to embed the image on your own blog or website. 9. Tell us!How do you avoid endangering your dog when you run errands in the summer? Comment below to tell us, then click on the image above to explore Summer Pet Safety materials.