Kia Optima: Wheel Size Designation

Tire Size Designation

A tire’s sidewall is marked with a tire size designation. You will need this information when selecting replacement tires for your car. The following explains what the letters and numbers in the ...

Tire Speed Ratings

The chart below shows many of the different speed ratings currently being used for passenger car tires. The speed rating symbol is part of the tire size designation on the sidewall of the tire. Th ...

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Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly ...

Power Window Relay. Repair procedures
Inspection Diagnosis With GDS 1. It will be able to diagnose defects of power window with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self di ...

Tire Rotation
To equalize tread wear, it is recommended that the tires be rotated every 7,500 miles (12000 km) or sooner if irregular wear develops. During rotation, check the tires for correct balance. When ro ...