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 Battery and Cables
Vehicles are equipped with a 12-volt, maintenance-free battery. The battery and cable system consists of the following components: Battery Battery cable assembly Battery tray The battery is a 12V DC source connected in a negative ground system. The battery case is sealed with 2 ve ...