Ford Focus Owners Manual: Alarm

Disarming the engine immobiliser

The engine immobiliser is disarmed automatically when you switch the ignition on with a correctly coded key. The indicator in the instrument cluster will come on for approximately three seconds a ...

Arming the alarm

The system is armed as soon as the vehicle is locked and acts as a deterrent to unauthorised persons who attempt to open the doors, bonnet or luggage compartment, or remove the audio system. T ...

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Ford Focus Coded keys
Note: Do not shield your keys with metal objects. This may prevent the receiver from recognising your key as a valid one. Note: Have all of your remaining keys erased and recoded if you lose a key. Ask your dealer for further information. Have replacement keys recoded together with your exist ...