The weather's heating up and it's time to head out! Before you do, I wanted to give you a heads up on leaving a dog inside for a "quick errand" on your way back again. Ever notice how hot your car gets on a Summer day? Well, imagine how a pup feels trapped inside that greenhouse. In case you're tempted to try this out at home, take this quiz to see some shocking stats to change your mind.

Quiz: What Do You Know About Dogs Left in Cars?

In the shade, a car can be 10 to 20 degrees hotter than outdoors.