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 Owners Manual: ESC operation
ESC ON condition When the ignition is turned ON, ESC and ESC OFF indicator lights illuminate for approximately 3 seconds, then ESC is turned on. Press the ESC OFF button for at least half a second after turning the ignition ON to turn ESC off. (ESC OFF indicator will ...

Kia Cee'd JD Service Manual: Ambient Temperature Sensor Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ambient temperature sensor. 3. Check the resistance of the ambient temperature sensor between terminal “+” and “-” whether it is c ...

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