How do you set alarm with key on Ford Mondeo st 24?

To set the alarm on a Ford Mondeo ST24, first ensure the vehicle is locked. Press the "Lock" button on the key fob, which typically activates the alarm system. If the vehicle is equipped with a manual alarm setting, you may need to press and hold the "Lock" button for a few seconds to enable the alarm. Always refer to the owner's manual for specific instructions related to your model.