Kia Cee'd: Keys / Immobilizer system

Your vehicle may be 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 key and electronic devices inside the vehicle.

Key operations
Used to start the engine. Used to lock and unlock the doors. WARNING We recommend that you use parts for replacement from an authorized Kia dealer. If an aftermarket key is used, the ig ...

Vehicles without smart key system
With the immobilizer system, whenever you insert your ignition key into the ignition switch and turn it to ON, it checks and determines and verifies if the ignition key is valid or not. If th ...

Other information:

Kia Cee'd JD Service Manual: Ignition Coil Specifications
Specification   Item Specification Primary Coil Resistance (Ω) 0.75 ± 15% [20°C (68°F)] Secondary Coil Resistance (kΩ) 5.9 [20°C (68°F)] ...

Kia Cee'd JD Owners Manual: Mechanical key
If the transmitter or smart key does not operate normally, you can lock or unlock the doors by the mechanical key. Insert the key into the key hole of the outside door handle.Turn the key toward the rear of the vehicle to unlock and toward the front of the vehicle to lock. I ...

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