Lap-Shoulder Belt Installation - Britax MARATHON Guide D'utilisation

BRITAX Child Safety, Inc.

Lap-Shoulder Belt Installation

1. Loosen the harness.
a. Lift harness adjuster
lever and pull both
harness straps
forward.
b. Remove the infant
positioning pillow
and unbuckle the
harness.
2. Attach the anti-rebound
bar (see page 26).
IMPORTANT: Keep
fingers away from the anti-
rebound bar connection
points to avoid finger
entrapment or pinching.
3. Recline the unoccupied
child seat to position 3 and
place rear-facing on the
vehicle seat (see page 24).
Ensure that no more than
7.6 cm (3 in.) of the base
hangs over the edge of
the vehicle seat.
4. Pull the head pad up,
then pull the seat cover
forward to access the
rear-facing belt path.
5. If applicable, open the
blue lock-off closest to
where the vehicle belt will
be buckled (see page 24).
a. Open the locking tab.
b. Open the clamp.
6. Route the vehicle belt
through the rear-facing
belt slots, ensuring that
the vehicle belt is routed
under the harness buckle
strap.
NOTE: The buckle should
be in the inner slot.
7. Ensure the vehicle belt
is not twisted and buckle
the seat belt.
10
7.6 cm
5b
5a
Clamp
Locking
Tab
8. Push down into the
middle of the child
seating area with
moderate force while
removing all slack from
the bottom (lap) part of
the vehicle belt and close
the lock-off, if used.
IMPORTANT: Both the
vehicle lap and shoulder
belts must be routed
through the lock-off.
9. Push down into the middle
of the child seating area
with moderate force while
pulling the top (shoulder)
part of the belt between
the belt slots to remove
any remaining slack
through the lock-off.
10. Replace the seat cover.
Rear-Facing Installation with Lap-Shoulder Belt
9 Check that all connections are secure and straps are not
twisted.
9 Check that no more than 7.6 cm (3 in.) of the base hangs
over the edge of the vehicle seat.
9 Ensure that the anti-rebound bar is properly installed
(see page 26).
9 Check that the child seat cannot be moved front to back
or side to side more than 2.5 cm (1 in.) at the belt path.
If the child seat is not secure, repeat installation or use a
different seating location.
9 Check that the back angle of the child seat is 30° – 45°
from vertical (not to exceed 45°) when the car is parked
on a level surface. See "Seat Positions" on page 24.
MARATHON Canadian User Guide
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