Important Harness Adjustments - Britax Marathon CS User Manual

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Safety Information

Important Harness Adjustments

Britax recommends all infants should ride rear-facing until they have
reached at least 1 year of age and weigh at least 9.1 kg (20 lbs).
That means that if your infant reaches 9.1 kg (20 lbs) before her first
birthday, she should remain rear-facing at least until she turns 1 year
old. It is best for children to ride rear-facing to the highest weight or
height allowed by the manufacturer.
Rear-Facing
Use rear-facing only with children:
who weigh between 2.3 – 13.6 kg (5 – 30 lbs)
the top of the child's head is at least 2.5 cm
(1 in.) or more below the top of the child seat
(Fig. A) and
the harness straps are in the nearest slots at or
below the child's shoulders.
If the child cannot be secured within these requirements because the
child exceeds height or weight requirements, review the forward-facing
guidelines on page 7.
If the child cannot be secured within these requirements because the
child is too small, selection of a different child seat (such as an infant
carrier) may be required.
IMPORTANT:
See Adjusting Harness Slot Height on page 31.
WARNING!
Do NOT use the child seat rear-facing if any of the following apply:
the child is less than 2.3 kg (5 lbs) in weight
the child exceeds 13.6 kg (30 lbs) in weight
the top of the head is less than 2.5 cm (1 in.) from the top of the
child seat (Fig. A) or
the harness straps are in a slot above the child's shoulders.
6
and
A
or
or
Forward-Facing
Use forward-facing only with children:
who are at least one year of age
who weigh between 9.1 – 29.5 kg (20 – 65 lbs)
124.5 cm (49 in.) or less in height
the top of the child's ears are below the top of the child seat
the harness straps are in the nearest slots at or above the child's
shoulders, parallel to level ground (Fig. B).
IMPORTANT:
When using forward-facing recline mode, it may
become necessary to adjust the harness to the next higher set of slots
than would be used when the seat is upright. See Adjusting Harness
Slot Height on page 31.
Upright
Above Shoulder Level
Below Shoulder Level
Shoulder level
b
Forward-Facing Harness Height
WARNING!
Do NOT use the child seat forward-facing if any of the following apply:
the child is less than one year of age
the child is less than 9.1 kg (20 lbs) in weight
the child exceeds 29.5 kg (65 lbs) in weight
the child exceeds 124.5 cm (49 in.) in height
the top of the ears are above the top of the child seat
the top harness slots fall below the child's shoulders, parallel to
level ground (Fig. B)
Safety Information
and
and
and
and
Reclined
or
or
or
or
or
7

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