[header] How to extend the life of your car tires [title] Check your tire pressure weekly. [step] Unscrew the cap on your tire's air intake and hold a tire pressure gauge against it, allowing air to flow out of the tire and into the gauge. All tires on your vehicle should be evenly inflated. 
[substeps] If you don't know the proper tire pressure for your vehicle, consult with the vehicle owner's manual. Additionally, all tires imprint recommended tire pressure directly onto the tire.