Kia Optima: Recommended lubricants and capacities
To 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
CAUTION
When replacing tires, use the same
size originally supplied with the
vehicle.
Using tires of a different size can
damage the related parts or make it
work irregularly. ...
Recommended SAE viscosity
number
CAUTION
Always be sure to clean the area
around any filler plug, drain plug, or
dipstick before checking or draining
any lubricant. This is especially
important in dusty or sandy areas
and ...
See also:
Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning
is reduced. Overfilling also has a negative influence on the air conditioning system.
Therefore, if abnormal operation ...
Bulb wattage
...
Checking the Coolant Level
WARNING - Removing Radiator Cap
Never attempt to remove the radiator cap while the engine is operating.
Doing so might lead to cooling system and engine damage and could result in
serio ...