Britax MARATHON CLASSIC, User Manual

Page: 37 / 48

35
Child Seat Functions
Harness Buckle
Fastening the Harness Buckle
1 Hold the harness buckle with one hand.
2 Use your other hand to insert one buckle tongue
at a time into the harness buckle (Fig. D).
• A proper connection is confirmed with a positive
click after inserting each buckle tongue.
Releasing the Harness Buckle
1 Brace the rear of the harness buckle with one
hand.
2 Use your thumb to press the release button and
slide both buckle tongues to remove from the
buckle (Fig. E).
IMPORTANT: Periodically clean the harness buckle to
ensure safe operation (page 41).
x 2
x 2
e
x 2
x 2
d
Adjusting Harness Slot Height
IMPORTANT: See Important Harness Adjustments on
pages 6–7 for instructions on proper harness fit based
on your child’s height and weight.
1 Loosen the harness by lifting the harness adjuster
lever while pulling the harness straps forward as
far as possible (Fig. F).
2 From the rear of the child seat, unhook the shoulder
straps from the harness yoke (Fig. G).
3 Pull the harness straps through the shell, foam,
and cover to the front of the child seat.
4 Thread the harness straps through the appropriate
harness slots in the cover, foam, and child seat
shell (Fig. H).
5 Reattach the harness straps to the harness yoke
(Fig. G).
6 Pull the harness-adjuster strap to tighten the
harness.
7 Verify that all straps are threaded at the same
height and are not twisted.
F
G
h