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What’s Your PSI? Answers to the tire safety quiz... Below is the answer to Question Five of NHTSA's short 5-question quiz which tests your knowledge of tire safety. Questions may have multiple answers. For more information about tire safety, visit the NHTSA vehicle safety web site at www.safercar.org or www.rma.org. |
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Question 5- (Q)
When do you know it’s time to replace a tire? (A) (a) and (d). Tires should be replaced when the tread wears down to 2/32 (or 1/16) of an inch.
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Tires also have built-in tread wear indicators, or "wear bars", that let you know when the tread reaches this mark.
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Reprinted from The Reconstructor, Newsletter of Boster, Kobayashi & Associates, Fall 2005. |
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