Ford Focus 2004 Owner's Manual page 63

Luggage compartment
To unlock turn the key clockwise.
A recessed grip is incorporated
inside the tailgate to facilitate
closing.
Controls and features
Fuel filler flap lock
To unlock turn the key clockwise.
Open the flap fully until it engages.
Press the fuel filler cap and, while
pressed in, turn it anticlockwise.
When the filler cap is removed, a
hissing noise may be heard. This is
normal and should be disregarded.
To close turn the cap clockwise
until it clicks.
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