Ford Focus Owners Manual: Principle of operation
Ford Focus Owners Manual / Engine immobiliser / Principle of operation
The engine immobiliser is a theft protection system that prevents someone from starting the engine with an incorrectly coded key.
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 Identification Tags
When servicing the automatic transaxle, refer to the identification tag located
on the case.
Item
Description
1
Transmission assembly part number
2
Sample build date code (DDMMYY)
3
Sample Julian build date and build ...
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