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 2019-2024 Service and Repair Manual: Evaporative Emission Control System

Description and operation Description Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent hoses or tubes to canister filled with charcoal. The canis ...

Kia Optima DL3 2019-2024 Owner's Manual: Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When there is a malfunction with the ESC system. In this case, have your vehicle inspected by an authorized ...