Kia Optima Hybrid 2020, Owner'S Manual, Page: 576 / 597

Specifications, Consumer information, Reporting safety defects
6 8
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.
Lubricant Volume Classification
Engine oil * 1 * 2
(drain and refill)
Recommends
4.33 US qt. (4.1 l ) SAE 5W-20 / API Latest (ILSAC Latest)
Automatic transmission fluid 6.34 US qt. (6.0
l
)
- ATF SP-IV
(Recommended SK ATF SP-IV,
MICHANG ATF SP-IV, NOCA ATF SP-IV)
Coolant 7.12 US qt. (6.74 l )
Mixture of antifreeze and water (Ethylene glycol by phosphate-based
ethylene glycol coolant for aluminum parts)
Inverter coolant 3.30 US qt. (3.13
l
)
Mixture of antifreeze and water (Ethylene glycol by phosphate-based
ethylene glycol coolant for aluminum parts)
Brake
0.52 ± 0.02 US qt.
(0.49 ± 0.02 L)
DOT 3 or DOT 4
Fuel
Hybrid
17.17 US gal. (65
l
)
Refer to Fuel requirements in chapter 1.
Plug-in hybrid
14.52 US gal. (55
l
)