CAUTION:
The radio frequency used by your remote control can also be used by other short distance radio transmissions (e.g. amateur radios, medical equipment, wireless headphones, remote controls and alarm systems). If the frequencies are jammed, you will not be able to use your remote control. You can lock and unlock the doors with the key.
Note: You could unlock the doors if you press the buttons on the remote control unintentionally.
The operating range between your remote control and your vehicle varies depending on the environment.
Ford Focus 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.
The alarm sounds for 30 seconds if an
unauthorised person opens a door, the
luggage compartment or ...