Britax MARATHON 70 User Manual page 36

Rear-Facing Installation
1 Loosen the harness.
a Lift harness adjuster lever
b Pull both harness straps forward
2 Remove the body pillow,
unbuckle the harness, and
remove the belly pad.
3 Pull the head pad up, then pull
the cover forward while pulling
the buckle through to access
the rear-facing belt path.
IMPORTANT:
inner slot and lying away from the
belt path.
4 Open the blue lock-off closest
to where the vehicle belt will be
buckled.
a Open the locking tab
b Open the clamp
5 Route the vehicle belt through the
rear-facing belt slots, then buckle.
Ensure the vehicle belt is not
twisted.
Push down into the middle of the
6
child seating area with moderate
force while removing all slack from
the bottom (lap) part of the vehicle
belt and close the lock-off.
a Close the clamp over the vehicle belt
b Slide your palm or thumb along the
locking tab until a click is heard (see
page 19)
7 Push the child seat down while
pulling the top (shoulder) part of
the belt between the belt slots
to remove any remaining slack
through the lock-off.
34
Ensure buckle is in
1b
1a
4a
LOCKING
TAB
CLAMP
4b
5
7