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 Evaporative Emission Canister Vent Solenoid
  Item Part Number Description 1 9E857 Evaporative Emission (EVAP) canister 2 9F945 EVAP canister vent solenoid Removal and Installation WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on ...