Hot cars are deadly
It only takes minutes... We understand you meant to be kind by taking your dog with you, but you could be risking his or her life. On hot - or even warm - sunny days, the inside of a car heats up very quickly. The temperature inside a car can climb to 102 degrees in 10 minutes, and can rapidly rise to 160 degrees.
A dog's normal body temperature is 101.5 to 102.2 degrees Fahrenheit. A dog can withstand a body temperature of 106 to 108 degrees Fahrenheit for only a very short time before suffering irreparable brain damage - or even death. The extreme heat of a sealed, hot car interferes with a dog's normal cooling: evaporation through panting.
If your dog begins showing signs of heat exhaustion, including excessive panting and lethargy, immediately cover the animal with a cool, wet towel until the body temperature lowers, keep the animal's feet cool and moist, give your pet small amounts of water to drink and consult with a veterinarian immediately to determine if additional treatment is needed.
Citizens concerned about unsupervised animals left in hot cars should call the City of Boulder Police Dispatch line at (303) 441-3333.