Ford Focus Owners Manual: Principle of operation

Engine immobiliser

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Coded keys

Note: Do not shield your keys with metal objects. This may prevent the receiver from recognising your key as a valid one. Note: Have all of your remaining keys erased and recoded if you lose a key ...

More about Ford Focus:

Ford Focus Selector Mechanism
Special Tool(s) Adapter for 303-290A 303-290-01 Adapter for 303-290A (Support Leg) 303-290-03A Support Bar, Engine 303-290A Material Item Specification Gasket Maker TA-16 WSK-M2G348-A5 ...