Living in East Texas we understand how hot a parked car can get in warm weather, and yet people continue to make the mistake of leaving pets in cars.  Dr Ernie Ward is a practicing vet who conducts a dangerous experiment to remind us of the frightening potential of a parked car in the summer.Dr Ward sits in a parked car for 30 minutes with the windows cracked of a relatively mild day to illustrate just how hot it can get.