Kia Optima: Vehicle Modifications

Emission Control System

The emissions control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Warranty Information Booklet in your vehicle. ...

Engine Exhaust Gas Precautions

WARNING Engine exhaust gases contain carbon monoxide (CO). Though colorless and odorless, it is dangerous and could be lethal if inhaled. Follow the instructions below to avoid CO poisoning. ...

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If the engine doesn't turn over or turns over slowly
1. If your vehicle has an automatic transaxle, be sure the shift lever is in N (Neutral) or P (Park) and the emergency brake is set. 2. Check the battery connections to be sure they are clean ...

Before starting
Close and lock all doors. Position the seat so that all controls are easily reached. Adjust the inside and outside rearview mirrors. Be sure that all lights work. Check all gauges. Check ...

Components and Components Location
Component Location 1. Rear glass defogger relay (Engine room relay box) 2. Rear glass defogger switch (A/C controller) 3. Rear glass defogger ...