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 Spark Plug Inspection
Inspect the spark plug for a bridged gap.
Check for deposit build-up closing the gap between the electrodes. Deposits
are caused by oil or carbon fouling.
Install a new spark plug.
Check for oil fouling.
Check for wet, black deposits on the insulator ...