Ford Mercury Villager 1997 Owner's Manual page 159

Always keep the buckle release button pointing upward
and away from the child seat, with the tongue between the
child seat and the release button as shown in the
following illustration.
Failure to follow all instructions on the proper use of
child seats or the vehicle restraint systems can result in
serious injury or death in the event of a sudden stop or
collision.
Safety belt buckle placement for child seats
Seating and Safety Restraints
WARNING
WARNING
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