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You should always use the inflation recommended by the vehicle manufacturer.
This information can be found in the owner's manual and often on a label located in the vehicle's doorjamb, inside the fuel hatch, or on the glove compartment door.
The following recommendation applies to passenger car tires and light truck tires.
Tires are composed of various types of material and rubber compounds that have performance properties essential to the proper functioning of the tire itself. For each tire, this evolution depends upon many factors such as weather, storage conditions, and conditions of use (load, speed, inflation pressure, maintenance etc.) to which the tire is subjected throughout its life.
A vibration while driving indicates a problem that needs attention.
The tires, steering system and suspension system should be checked immediately to help determine the possible cause of the vibration.
The inflation pressure imprinted on the sidewall of the tire is the maximum operating pressure determined by the tire manufacturer.
You should have the alignment checked if: Balancing means compensating for both the weight of the tire and wheel after the tire is mounted.
A wheel is out of balance when one area is heavier or lighter than the rest.
This can cause irregular treadwear and vibration, and increase the stress on the front-end parts, which may cause them to wear prematurely.
For example, a DOT code ending with "2204" indicates a tire made in the 22nd week (May) of 2004.
For continued optimized vehicle performance, it is recommended that all tires be replaced at the same time with the identical MSPN.