Ford Focus Owners Manual: Keys and remote controls
WARNING:
Make sure that the passenger
airbag is disabled when using a
rearward facing child restraint on the
front passenger seat.
Fitting the passenger airbag
deactivation switch
WARNING:
...
CAUTION:
The radio frequency used by your
remote control can also be used by
other short distance radio
transmissions (e.g. amateur radios,
medical equipment, wireless headphones,
remote contr ...
More about Ford Focus:
Ford Focus Valve Seat Width
NOTE: Refer to the appropriate Section 303-01 for the specification.
Measure the valve seat width. If necessary, grind the valve seat to specification.
Measure the intake valve seat width.
Measure the exhaust valve seat width.
Recheck the valve spring installed length ...