Ford Content Owner's Manual page 211

Follow the child seat manufacturer's instructions to properly install a
child seat with LATCH attachments. Two plastic LATCH guides may be
obtained at no charge from any Ford or Lincoln Mercury dealer. They
snap onto the latch lower anchor in the vehicle to help attach a child
seat with rigid latch attachments. It will hold the seat foam away and
expose the anchor making attachment of the child seat easier.
Attach LATCH lower attachments of the child seat only to the
anchors shown.
If you install a child seat with rigid LATCH attachments, do not tighten
the tether strap enough to lift the child seat off the vehicle seat cushion
when the child is seated in it. Keep the tether strap just snug without
lifting the front of the child seat. Keeping the child seat just touching the
vehicle seat gives the best protection in a severe crash.
Each time you use the safety seat, check that the seat is properly
attached to the lower anchors and tether anchor. Try to tilt the child
seat from side to side. Also try to tug the seat forward. Check to see if
the anchors hold the seat in place.
If the safety seat is not anchored properly, the risk of a child
being injured in a crash greatly increases.
Seating and Safety Restraints
211