Ford FIESTA Owner's Manual page 40

In order to use these passive keys again,
they have to be enabled.
To enable all your passive keys, unlock the
vehicle using a passive key or the remote
control unlocking function.
All passive keys will then be enabled if the
ignition is turned on or the vehicle is started
using a valid key.
Locking and unlocking the doors
with the key blade
1
E87964
1. Carefully remove the cover.
2. Remove the key blade and insert it into
the lock.
Note: Only the driver's door handle is fitted
with a lock cylinder.
Locks
2
1
38