Kia Optima DL3 Quiz
Emission Control System

Fuel Tank Cap

In this manual: Emission Control System
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
~1min read

Description and Operation

Description

The ratchet tightening feature on the fuel tank cap reduces the possibility of incorrect installation and ensures the filler neck is sealed. After the gasket on the fuel tank cap contacts the filler neck flange, the ratchet produces an audible click indicating the seal is installed.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.