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 Air Conditioning (A/C) Evaporator Discharge Air Temperature Sensor
  Item Part Number Description 1 — A/C evaporator discharge air temperature sensor electrical connector (part of 18B604) 2 19C734 A/C evaporator discharge air temperature sensor Removal and Installation Lower the glove compa ...