Kia Optima: Specifications & Consumer information / Engine number

Tire specification and pressure label

The tires supplied on your new vehicle are chosen to provide the best performance for normal driving. The tire label located on the driver's side center pillar gives the tire pressures recommen ...

Kia Optima DL3 2019-2021 Service and Repair Manual

Service and Repair manual for Fifth generation (DL3) of the mid-size sedan Kia Optima. Kia's best-selling midsize sedan was unveiled with new design cues inside and out, expanded ADAS technology, a ne ...

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Kia Optima DL3 2019-2021 Owner's Manual: Economical operation

Your vehicle's fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many kilometers (miles) you can get from a liter (gallon) of fuel.To operate your vehicle as economically as possible, use the following driving suggestio ...

Kia Optima DL3 2019-2021 Owner's Manual: Battery replacement

A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the battery, contact an authorized Kia dealer. 1. Remove the mechanical key. 2. Pry open the rear ...