Kia Optima: Folding key / Immobilizer system

Kia Optima DL3 2019-2020 Owner's Manual / Features of your vehicle / Folding key / Immobilizer system

Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use.

Your immobilizer system is comprised of a small transponder in the ignition key and electronic devices inside the vehicle.

With the immobilizer system, whenever you insert your ignition key into the ignition switch and turn it to ON or whenever the engine start/stop button is changed to the ON position, it checks and verifies if the ignition key is valid.

If the key is determined to be valid, the engine will start.

If the key is determined to be invalid, the engine will not start.

To activate the immobilizer system:

Turn the ignition key or change the engine start/stop button from the ON position to the OFF position. The immobilizer system activates automatically. Without a valid ignition key for your vehicle, the engine will not start.

To deactivate the immobilizer system:

Insert the ignition key into the key cylinder and turn it to the ON position or change the engine start/stop button to the ON position.

In order to prevent theft of your vehicle, do not leave spare keys anywhere in your vehicle.Your Immobilizer password is a customer unique password and should be kept confidential. Do not leave this number anywhere in your vehicle.

✽ NOTICE

When starting the engine, do not use the key with other immobilizer keys around. Otherwise, the engine may not start or may stop soon after it starts. Keep each key separate in order to avoid a starting malfunction.

Do not put metal accessories near the ignition switch.

Metal accessories may interrupt the transponder signal and may prevent the engine from being started.

✽ NOTICE

If you need additional keys or lose your keys, contact an authorized Kia dealer.

CAUTION - Immobilizer damage

Do not expose your immobilizer system to moisture, static electricity and rough handling. This may damage your immobilizer.

CAUTION - Adjusting alarm system

Do not change, alter or adjust the theft alarm system in your vehicle. Improper installation of the alarm system could damage the vehicle or cause the system to malfunction.

This device complies with Industry Canada licence-exempt RSS standard(s).

Operation is subject to the following two conditions:

(1) This device may not cause interference, and
(2) This device must accept any interference, including interference that may cause undesired operation of the device.

✽ NOTICE

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. If the keyless entry system is inoperative due to changes or modifications not approved by the party responsible for compliance, it will not be covered by your manufacturer’s vehicle warranty.

Battery replacement
The transmitter uses a 3 volt lithium battery which will normally last for several years. When replacement is necessary, use the following procedure. 1. Insert a slim tool into the slot and gentl ...

Limp home (override) procedure
When you turn the ignition switch to the ON position, if the immobilizer indicator () goes off after blinking 5 times, your transponder equipped in the ignition key is out of order. You cannot sta ...

Other information:

Kia Optima DL3 2019-2020 Owner's Manual: Engine start/stop button position


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Kia Optima DL3 2019-2020 Service and Repair Manual: Shift Cable


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