Kia Optima: Power Train / Vapor Hose and Fuel Filler Cap

Automatic Transaxle Fluid

Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check    When checking the ATF level, be careful ...

Chassis

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Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Recommended cold tire inflation pressures

All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than 1.6 km (1 mile). Recommended pressures must be maintained for the best ride, top vehicle handling, and minimu ...

Kia Optima DL3 2019-2025 Owner's Manual: Smart key function

To remove the mechanical key, press and hold the release button(1) and remove the mechanical key (2). To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard. With a smart key, you can lock or unlock a door (and trunk) and start the engine. Refer ...