This is located under the front passenger seat.
Ford Focus Warning lamps and indicators
The following warning lamps and
indicators will come on briefly when you
switch the ignition on to confirm that the
system is operational:
• ABS.
• Airbag.
• Brake system.
• Doors open.
• Engine.
• Engine immobiliser.
• Engine systems fault.
• Frost.
• Ignition.
• ...