Video tutorial on how to check your vehicle's tire pressure. General rule is that tires should be at 32psi (pounds per square inch). Although you should consult with your vehicle owner's manual, the tag on the inside of the driver's door, or with the tire specifications normally found on the side on the tire. It is important to ensure your tires are properly inflated to maximize fuel economy and maximize the life of your tires. This particular tutorial was done on a 2011 Volkswagen Jetta.