Kia Optima: Your vehicle at a glance

Vehicle Break-In Process

No special break-in period is needed. By following a few simple precautions for the first 600 miles (1 000 km) you may add to the performance, economy and life of your vehicle. Do not race the ...

Interior and Exterior Overview

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Highway driving
Tires Adjust the tire inflation pressures to specification. Low tire inflation pressures will result in overheating and possible failure of the tires. Avoid using worn or damaged tires which may r ...

Compressor Oil. Repair procedures
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. ...

Changing Coolant
Change coolant according to the Scheduled Maintenance. Use only soft (de-mineralized) water in the coolant mixture. The engine in your vehicle has aluminum engine parts and must be protected ...