Kia Optima: Tire Speed Ratings

Wheel Size Designation

Wheels are also marked with important information that you need if you ever have to replace one. The following explains what the letters and numbers in the wheel size designation mean. Example wh ...

Uniform Tire Quality Grading

The following information relates to the tire grading system developed by the National Highway Traffic Safety Administration (NHTSA) for grading tires by tread wear, traction and temperature perfo ...

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To decrease the cruising speed
Follow either of these procedures: Move the lever (1) down (to SET-) and hold it. Your vehicle will gradually slow down. Release the lever at the speed you want to maintain. Move the lever ...

Description and Operation
System Overview RPAS(Rear Parking Assist System) is an electronic driving aid device warning driver to be cautious when they park or speed low after detecting an object on side and behind of vehi ...

Reassembly
Thoroughly clean all parts to be assembled.Before installing the parts, apply fresh engine oil to all sliding and rotating surfaces. ...