CAUTIONS:
If you use the socket when the engine is not running, the battery may discharge.
Do not hold the cigar lighter element pressed in.
Note: You can use the socket to power 12 volt appliances that have a maximum current rating of 15 Amperes. Use only Ford accessory connectors or connectors specified for use with SAE standard sockets.

Press the element in to use the cigar lighter. It will pop out automatically.
Instrument lighting dimmer
AshtrayFord Focus Electronic Engine Controls
The electronic engine controls consist of the following:
PCM
Cylinder Head Temperature (CHT) sensor
Camshaft Position (CMP) sensor
Crankshaft Position (CKP) sensor
Power Steering Pressure (PSP) switch
Mass Air Flow (MAF) sensor
Heated Oxygen Sensor (HO2S)
Catalyst Monitor S ...