Kia Optima: Maintenance / Chassis

Vapor Hose and Fuel Filler Cap

Repair procedures Inspection Vapor hose 1. Check all the clamps for tightness and the connections for leakage. 2. Visually check the vapor li ...

Brake/Clutch Fluid

Repair procedures Inspection Check the brake fluid level in the brake fluid reservoir. The level should be between “MIN” and “MAX” marks on the side of the reservoir. Use ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Front Door Latch

Components and components location Component Location 1. Front door latch Repair procedures Replacement    • When removing with a flat-tip screwd ...

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 ...