Kia Optima: Maintenance / Checking fluid levels

Kia Optima DL3 2019-2025 Owner's Manual / Maintenance / Checking fluid levels

When checking engine oil, engine coolant, brake fluid, and washer fluid, always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant or fluid. This is especially important in dusty or sandy areas and when the vehicle is used on unpaved roads. Cleaning the plug and dipstick areas will prevent dirt and grit from entering the engine and other mechanisms that could be damaged.

Explanation of scheduled maintenance items

Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the vehicle is being driven in severe conditions, more frequent oil an ...

Engine oil

Checking the engine oil level ■ THETA 2.4L - GDI 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and w ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Automatic Transaxle Fluid

Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check When checking the ATF level, be careful not to allow foreign substance (like dust) to enter through the filler hole. 1 ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Engine Control / Fuel System

Service data Service Data Sensor Manifold Absolute Pressure Sensor (MAPS) Pressure Output Voltage (V) kPa kgf/cm² psi 20 0.2 2.9 0.79 ...