Make sure all tires, including the spare, are inflated properly. With the engine off, look for worn or cracked belts and any blistered or soft hoses. Technicians actually pay to go take this test, and they're not very easy, so it's a point of pride for a lot of people.
Hot weather can also shorten the life of a car's battery.
Weak or old batteries should be tested and replaced if needed. Find out . By Andy Knight Cincinnati. When it comes to getting your vehicle in shape for summer, an ounce of prevention can be worth several hundred dollars and a few headaches in cure. People can't make that connection of the cold weather versus the hot weather.