Why Is Proper Tire Inflation So Important?

It's important enough that the State of California makes it mandatory to inspect and fill tires to specification anytime a car comes to the repair shop, free to the consumer

Keeping your tires at the recommended pressure puts efficiency—and safety—first. Properly inflated tires don't overheat, they last longer, and they help you get better gas mileage. Plus, all tire specs and requirements are developed to work with your vehicle's other suspension, steering and body components to ensure maximum comfort, safety, handling, and braking efficiency.