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 ...

More about Ford Focus:

Ford Focus Transaxle Electronic Control System
Overview Transmission Control Item Description 1 PCM 2 Data Link Connector (DLC)  3 Throttle Position (TP) sensor 4 Mass Air Flow (MAF) and Intake Air Temperature (IAT) sensors 5 Cran ...