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 the key is valid, the engine will start. If the key is invalid, 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.
To activate the immobilizer system:
Turn the ignition key to the OFF position. The immobilizer system activates automatically. Without a valid ignition key for your vehicle, the engine will not start.
Immobilizer system
Vehicles with smart key system: Automatic Engine Stop
What Is Automatic Engine Stop
Automatic engine stop is a feature that
switches the engine off if it has been idling
for an extended period to help you save
fuel.
How Does Automatic Engine Stop Work
Automatic engine stop turns the engine
off. The ignition also turns off in order to
save battery ...
Kia Cee'd JD Service Manual: Specifications
Specifications
Item
Specification
Master cylinder
Cylinder I.D.
22.22 mm
Piston stroke
45 ± 1 mm (1.77 ± 0.039 in)
Fluid level switch
Provided
...