PSI check on tires at Independent Service Co. Proper psi (pounds per square inch) is crucial in the proper maintenance of your vehicle. Not only does it improve fuel economy, it helps your vehicle handle better, prevents blow outs by reducing friction with the road such as when your tires are under inflated. While over inflated tires can cause issues such as uneven wear and reduced traction. Be safe! Schedule your next service with us at Independent Service Company