Kia Optima: Recommended lubricants and capacitiesTo help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in improved fuel economy.
These lubricants and fluids are recommended for use in your vehicle.

*1 Refer to the recommended SAE viscosity numbers on the next page.
*2 Engine oils labeled Energy Conserving Oil are now available. Along with other
additional benefits, they contribute to fuel economy by reducing
the amount of fuel necessary to overcome engine friction. Often, these
improvements are difficult to measure in everyday driving, but in a year’s
time, they can offer significant cost and energy savings.
*3 If the API service SM engine oil is not available in your country, you are
able to use API service SL.
Tires and wheels
Recommended SAE viscosity
numberTo defog inside windshield
1. Set the mode selection switch to the
or
position.
When you select or
position, the system automatically
turns on the outside (fresh) air mode.
2. Set the temperature control knob to th ...
Inspection
Inspect Rotor
1.
Check that there is continuity between the slip rings
(C).
2.
Check that there is no continuity between the slip
...
Securing a child restraint seat with “Tether Anchor” system
Child restraint hook holders are located on the package tray.
1.Route the child restraint seat tether strap over the seatback.
For vehicles with adjustable headrests, route the tether strap unde ...