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Tire Quiz Answers

1. False. The recommended pressure for your vehicle is listed on the vehicle placard often located on the inside post of one of the doors or inside the glove compartment, trunk, or fuel door. Your owner's manual will either give you the correct tire pressure or direct you to the placard's location. The maximum pressure is listed on the tire sidewall.

2. False. A visual check of your tires is not sufficient to measure tire pressure. Tires may be under or over-inflated by up to 20 per cent and yet, you may not be able to tell just by looking at them. Using a good quality tire gauge is the best way to measure tire pressure correctly.

3. True. Tires are cold if they have not been driven for more than two km or have been stationary for at least three hours.

4. True. If tires are properly maintained, over the average life span of a vehicle, you can actually save yourself one to two sets of new tires because of lower wear and reduced fuel costs. Under-inflation of 20 per cent, a common problem, reduces the life of the tire by 15 per cent or roughly nine months.

5. True. An over-inflated tire rides on just the centre portion of the tread. The smaller contact area means reduced grip on the road leading to a harsh ride, handling issues (such as steering and stopping problems), and increased wear on tires and suspension components.

6. False. Drivers whose average speed is 110 km/h will wear their tires about 25 per cent faster than those driving at an average of 90 km/h. Frequent quick accelerations and abrupt stops can also increase tire wear.

7. False. As long as the new tires are the same size as the last set, you should inflate them to the same pressure. Tire quality and brand do not affect the recommended pressure

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Tire Safety Quiz