Britax Marathon User Manual page 4

• Use only in a rear-facing position when using restraint with
an infant weighing less than 20 pounds (9 kg) . The American
Academy of Pediatrics recommends rear-facing until at least 1
year of age and 20 pounds .
• Use only with children who weigh between 5 and 65 pounds
(2 .3 and 29 kg) and whose height is 49 inches (124 cm) or
less . Rear facing 5–33 pounds (2 .3–15 kg) and forward-facing
maximum 65 pounds (29 kg) .
• Snugly adjust the belts provided with this child restraint around
your child . A snug strap should not allow any slack . It lies in a
relatively straight line without sagging . It does not press on the
child's flesh or push the child's body into an unnatural position .
• Secure the top anchorage strap provided with this child
restraint .
• Secure this child restraint with the vehicle's child restraint
anchorage system if available or with a vehicle belt .
• Follow all instructions on this child restraint and in the written
instructions located on lanyard, under cover in front of seat .
• Register your child restraint with the manufacturer .
• Use vehicle belt (not LATCH connectors) for installations with
children weighing more than 48 pounds (21 kg) . Refer to the
vehicle owner's manual or contact the vehicle manufacturer for
the maximum weight rating for their LATCH anchors . Unless
specified otherwise by the vehicle manufacturer, assume a 48-
pound child is the vehicle LATCH anchor limit .
2