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Use this information to make tire safety a regular part of your vehicle
maintenance routine. Recognize that the time you spend is minimal
compared with the inconvenience and safety consequences of a flat
tire or other tire failure.
Safety First-Basic Tire Maintenance
Properly maintained tires improve the steering, stopping, traction,
and load carrying capability of your vehicle. Under inflated tires
and overloaded vehicles are a major cause of tire failure.
Therefore, as mentioned above, to avoid flat tires and other types of
tire failure, you should maintain proper tire pressure, observe tire
and vehicle load limits, avoid road hazards, and regularly inspect
your tires.
Finding Your Vehicle’s Recommended Tire Pressure and Load
Limits
Tire information placards and vehicle certification labels contain
information on tires and load limits. These labels indicate the
vehicle manufacturer’s information including:
• Recommended tire size.
• Recommended tire inflation pressure.
• Vehicle capacity weight (VCW-the maximum occupant and
cargo weight a vehicle is designed to carry).
• Front and rear axle weight ratings (GAWR-the maximum weight
the axle systems are designed to carry).
[For TT] Both placards and certification labels are permanently
attached to the trailer on the forward half of the left side, and are
easily readable from outside the vehicle without moving any part of
the vehicle. You can find the recommended tire pressure and load
limit for your vehicle in the vehicle owner’s manual.
Understanding Tire Pressure and Load Limits
Tire inflation pressure is the level of air in the tire that provides it with
load-carrying capacity and affects the overall performance of the
vehicle. The tire inflation pressure is a number that indicates the
amount of air pressure—measured in pounds per square inch (psi) -
a tire requires to be properly inflated. (You will also find this number
on the vehicle information placard expressed in kilopascals (kPa),
which is the metric measure used internationally.)
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