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Tire code

Tire code

Automobile tires are described by an alphanumeric tire code, which is generally molded into the sidewall of the tire. This code specifies the di…

Tailgating

Tailgating

Tailgating is when a driver drives behind another vehicle while not leaving sufficient distance to stop without causing a collision if the vehic…

Diesel particulate filter

Diesel particulate filter

This symbol is used to indicate the diesel particulate filter.

Sunglasses

Sunglasses

Sunglasses are a form of protective eyewear designed primarily to prevent bright sunlight. When driving a vehicle, particularly at high speed, d…

Slope

Slope

A slope or grade of a road refers to the tangent of the angle of the road to the horizontal. It is a special case of the slope, where zero indic…

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