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 ...

See also:

Component Location (2)
1. FOB holder 2. Door outside handle 3. Trunk lid open switch 4. FOB key ...

To Defrost Outside Windshield
1. Set temperature to the extreme hot (25°C~32°C) position. 2. Set the fan speed to the or position. 3. Press the defrost button (). 4. The air conditioning will be turned on according to th ...

Before starting
Close and lock all doors. Position the seat so that all controls are easily reached. Adjust the inside and outside rearview mirrors. Be sure that all lights work. Check all gauges. Check ...