 Paid for and authorized by Mary Mallory for District 5 Supervisor. Yavapai County will see highs in the triple digits for the next few days. Along with taking care of yourself during this heat wave, you also need to take care of your car. John Gilliland has more. Auto Club spokesman Julian Perretta says this kind of heat over a prolonged period kills cars. Keep track of anything that's rubber on your car, your car battery, vehicle fluids.