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TM
Marathon 70
User Guide
IMPORTANT: Thoroughly read and follow all instructions before installing
this child seat. Store this user guide in the pocket behind the cover (See
features pages for reference).
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Table of Contents Safety Information .......................................................................................2 Warnings ...............................................................................................................2 Important Notes ....................................................................................................4 Certification ...........................................................................................................5 Registra
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Section Title W ARNING! DEATH or SERIOUS INJURY can occur: • Use only in a rear-facing position when using it with an infant weighing less than 20 lbs (9.1 kg) OR is less than 1 year of age. • Use only with children who weigh between 5 and 70 lbs (2.3 – 31.8 kg) and whose height is 49 in. (124.5 cm) or less. Use rear- facing for children who weigh between 5 and 40 lbs (2.3 – 18.1 kg). Use forward-facing for children who weigh between 20 and 70 lbs (9.1 – 31.8 kg) AND are at least 1 year of a
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Section Title • This child seat must not be used in the home, in boats, or other non-certified applications. • Based on crash statistics, the National Highway Traffic Safety Administration (NHTSA) recommends that parents select the back seat as the safest location for a properly installed child seat. Please study Vehicle Seating Positions on page 13 to ensure your child’s safety and consult your vehicle owner’s manual. • Secure this child seat even when it is not occupied. In a crash, an u
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Safety Information Important Notes • Verify that the child seat is securely installed and the harness is properly adjusted around the child each time the child seat is used. • Discontinue use of this child seat if it has been in a moderate or severe crash. It is not necessary to replace a car seat after a minor crash defined by the U.S. National Highway Traffic Safety Administration (NHTSA) as: * The vehicle is driveable from the crash site. * The vehicle door nearest the child seat was not
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Safety Information Certification This child restraint system conforms to all applicable Federal Motor Vehicle Safety Standards. This Restraint is Certified For Use in Motor Vehicles and Aircraft. Registration Child restraints could be recalled for safety reasons. You must register this restraint to be reached in a recall. Send your name, address, e-mail address if available and the restraint’s model number and manufacturing date to Britax Child Safety, Inc. P.O. Box 91167 Allentown, PA 18
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1 inch 2.5 cm Safety Information Important Child Seat Usage Information All infants must ride rear-facing at least until they have reached 1 year of age and weigh 20 lbs (9.1 kg). An infant positioning insert may be necessary for small infants to achieve a snug fit if the child is under 12 lbs and the lowest harness slots fall above the infants shoulders. The Infant positioning insert is sold separately at select retailers and on www.britaxusa.com. Britax advises that parents strongly consi
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Safety Information Forward-Facing: 20 – 70 lbs (9.1 – 31.8 kg) and at least 1 year of age WARNING! FORWARD-FACING use of this child seat is ONLY for children who meet ALL of the requirements below. If the child cannot be secured within these requirements because they are too large, another type of child seat (such as a booster) may be required. If the child cannot be secured within these requirements because the child is too small, review the rear-facing information on page 6. Use forward
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Vehicle Compatibility Compatible Vehicle Seat Belts NOTE: The information in this section only applies to installation with vehicle seat belts. Vehicle seats and seat belts differ from vehicle to vehicle. Refer to your vehicle owner’s manual for specific information about your vehicle seat belts and their use with child seats. Lap-Shoulder (3-Point) Belt 1. ALR (Automatic Locking Retractor) with Sliding Latch Plate a Has a latch plate that freely slides along the vehicle seat belt webbin
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Vehicle Compatibility 2. ELR (Emergency Locking Retractor) with Locking Latch Plate a Has a latch plate that locks the vehicle belt. * This type of latch plate locks the vehicle belt when the vehicle belt and latch plate lie flat. When using this Latch type of vehicle belt with a plate child seat, ensure the latch plat and vehicle belt lie flat against the child seat or the vehicle belt may remain unlocked. b Has a retractor that locks only in an emergency situation such as sudden s
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Vehicle Compatibility 4. ELR (Emergency Locking Retractor) with a Sliding Latch Plate a Has a latch plate that freely slides along the vehicle seat belt webbing. b Has a retractor that locks only in an emergency situation such as sudden stop or crash. IMPORTANT: This belt type requires the use of the lock-offs built into the seat for rear- and forward-facing installations. See page 19 for information on using the lock-offs. Lap Belt 5. ALR (Automatic Locking Retractor) a Has a latch plat
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Vehicle Compatibility c Tightens by feeding the belt webbing back into the retractor. Locking Latch Plate 6. a Has a latch plate that prevents the webbing from becoming loose. Latch plate b Tightens by pulling on the Adjuster belt webbing. 11
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Vehicle Compatibility Incompatible Vehicle Seat Belts WARNING! The following types of vehicle seat belts are NOT compatible with this child seat. If any of the belt types listed below are in the chosen seating position, choose another vehicle seating position or check your vehicle owner’s manual for information on installing a car seat in your vehicle. 1 Lap-shoulder belts 2 Motorized, 3 Lap-shoulder with top or bottom automatic vehicle belts that have a anchor points on seat belts. separa
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Vehicle Compatibility Vehicle Seating Positions WARNING! DO NOT place child seat rear-facing in the front seat of a vehicle with a passenger air bag unless deactivated. DEATH or SERIOUS INJURY can occur. See your vehicle owner’s manual for child seat installation instructions. The back seat is the safest place for children 12 and under. Some vehicles have no seating positions which are compatible with this child seat. If in doubt, contact the vehicle manufacturer for assistance. Forwar
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Child Seat Features 1 2 3 4 13 14 5 15 6 16 17 7 18 8 19 9 20 10 11 12 1 Cover 10 Lower Connector Adjuster (LATCH component) 2 Harness Height Adjuster 11 Lower Connector Release 3 Head Pad Button (LATCH component) 4 Comfort Pads 12 Lower Connector (LATCH 5 Infant Body Pillow component) 6 Harness Holder 7 Lower Connector Bar 13 User Guide Storage (in 8 Lower Connector Strap pocket behind cover) (LATCH component) 14 HUGS™ (Harness Ultra Guard 9 Lower Connector Adjuster System) Chest Pads
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Child Seat Features 1 29 21 22 23 24 25 26 30 31 27 7 32 28 33 17 Belly Pad 26 Rear-Facing Lock-Offs (Blue – under cover on front of shell) 18 Harness Adjuster 27 Rear-Facing Belt Slot Lever (under cover) 28 Base 19 Harness Adjuster Strap ® 29 Versa-Tether (Top Anchorage 20 Recline Adjustment Handle Strap - LATCH component) 21 Shell 30 Harness Yoke 22 Serial Number & Manufactured 31 Harness Straps Date Label 32 Lower Connector Storage 23 Harness Slots ® 33 Versa-Tether Carry Clip 24 Forward
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Child Seat Functions Harness Height Adjustment 1 Loosen the harness. b a Lift harness adjuster lever b Pull both harness straps forward a 2 Squeeze the harness height adjuster, slide the harness into the desired position and release. * Ensure the harness has locked into position. NOTE: In rear-facing mode, always position the harness straps at or below your child’s shoulders. See page 6. In forward-facing mode, always position the harness straps at or above your child’s shoulders. See pag
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Child Seat Functions Adjusting Buckle Position IMPORTANT: • ALWAYS position the buckle in the ADJUSTMENT inner slot for rear-facing use. SLOT • The vehicle belt must pass in front of the buckle strap for rear-facing use. • NEVER leave the buckle in the adjustment slot. • Use the outer buckle slot when installing the child seat forward- facing with a child weighing 30 lbs (13.6 kg) and above or if the buckle is under the child in the inner position. 1 Unbuckle the harness. Remove 2 Turn the
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Child Seat Functions Fastening the Buckle Releasing the Buckle Insert one tongue at a time into Press the release button and the buckle. pull the tongues from the buckle. NOTE: Proper connection is confirmed with a click after NOTE: Periodically clean inserting each buckle tongue. the buckle to ensure proper operation. See Page 62. Using the Chest Clip 1 Open the chest 2 Push together to fasten. clip. NOTE: Always position the chest clip at a Press tabs armpit level. b Pull apart 18
