Ford Focus 2004 Owner's Manual page 86

Seating and safety restraints
The lap strap should be fitted
comfortably across the hips, low
beneath the pregnant abdomen.
The diagonal part of the seat belt
should be placed between the
breasts, and worn above and to the
side of the pregnant abdomen.
Always wear seat belts without
slack or twists. For optimum
protection, the seat belts should fit
tightly around the body. Do not
recline the front seats excessively,
as the belts provide maximum
protection when the seats are in
the near upright position.
Never wear just the lap
strap of a lap/shoulder
diagonal seat belt and never sit
on the lap strap using just the
shoulder strap. Both of these
actions are extremely dangerous
and may increase your risk of
serious injury.
84
Seat belt pretensioner
The belt pretensioners
must not be removed. If the
pretensioners deployed during an
accident, they must be replaced.
Have the pretensioners serviced
and disposed of by specially
trained personnel.
The restraint system, with belt
pretensioner in the front seat, helps
to reduce the risk of serious injury
in a head-on collision. During a
crash the seat belts are
pretensioned to help reduce slack
in the belt.
The belt pretensioner is only
triggered in major frontal collisions
provided the deployment threshold
is reached and the seat belt is
correctly engaged in the buckle.
Refer to the section Air bag for
further details.