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 Door Check Arm
  Item Part Number Description 1 5423500 (front)/ 5427200 (rear) Door check arm 2 — Door check arm-to-door gasket (part of 5423500) 3 W520111 Door check arm-to-door nuts 4 — Door check arm-to-door check arm ...