What does the tag on my door mean? There are 2 different tags on the inside of your door. The tire and loading information helps you with tire information. It will tell you the tire size needed for your car. It will tell you the tire pressure for your tires. It looks like this 32PSI. PSI means pressure per square inch. This means your tire pressure should be at 32. If you have a spare tire it will give you the tire size as well as the tire pressure.
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