® Instruction Manual US English Version Please read carefully Store manual behind cover
Table of Contents Page 4 Warnings 5 Seating Position Information 6 Child Restraint Safety Information 8 Seat Belt Information 9 Carrying Restraint 10 Unfolding and Folding Restraint 13 Installing and Removing Detachable Base 14 Rear-facing LATCH Installation 16 Rear-facing Lap-Shoulder Belt Installation 18 Rear-facing Lap Belt Installation 20 Forward-facing LATCH Installation 22 Forward-facing Lap-Shoulder Belt Installation 24 Forward-facing Lap Belt Installation 25 Checking Restraint Stabilit
Radian Features 2 6 11 5 3 13 9 12 7 11 11 4 4 1 10 8 14 15 4 1 2 3 4 5 6 7 8 Child information tag LATCH strap LATCH strap guide Release lever Locking clip Top tether Lap belt guide Harness adjuster 9 Shoulder belt guide 10 Rear-facing base 11 Backpack strap anchor 12 SafeStopTM 13 Shoulder carry strap anchor 14 Locking bolts 15 Rear-facing tether connector strap 3
WARNING DEATH OR SERIOUS INJURY CAN OCCUR • Follow all instructions labeled on this child restraint and in the written instruction manual on the lanyard located on back of restraint. For infants under 10 lbs, consult pediatrician for recommended seat back angle before installation. • Failure to follow all instructions and product labels can result in death or serious injury in a crash. Carefully read and understand this instruction manual prior to using restraint. If you have any questions, visit us.
WARNING DEATH OR SERIOUS INJURY CAN OCCUR • Some vehicles have passenger seating in which the passenger faces the side or rear of the vehicle. Do not install this restraint in such passenger seating. Only use this restraint in a vehicle seat which faces an adult passenger toward the front of the vehicle. • Always adjust restraint harness for a comfortable and snug fit around child. A snug harness strap should not allow any slack. It lies in a relatively straight line without sagging.
Child Restraint Safety Information • This restraint meets all applicable U.S. Federal Motor Motor Vehicle Safety Standards. • This restraint is certified for use in motor vehicles and aircraft. • Register this restraint with the manufacturer. Child restraints can be recalled for various reasons. To be reached directly in the event of a recall, you must register your restraint with the manufacturer. Fill out the included product registration card and mail it. You can register online at us.diono.com.
• Cover restraint when vehicle is parked in direct sunlight. Parts of the restraint can become hot and cause injury to a child. • Do not leave any child in a vehicle alone or unattended by an adult. • Secure all personal objects inside the vehicle. In an accident loose object can become flying hazards with the potential for causing serious injury.
Seat Belt Information The information below applies only to installations using vehicle seat belts. IMPORTANT: • This restraint can be installed securely in most vehicles using the seat belt. However, some seat belts have an anchoring position for the lap belt that may not allow a secure restraint installation. • Some vehicles do not have any seating positions that are compatible with a child restraint. Read owner’s manual to determine child-specific seating.
Carrying Restraint WARNING: • Do not carry restraint by harness adjuster strap (see diagram, page 3). This can damage the mechanism and the webbing. • Only the shoulder strap made by Diono is approved for use with this restraint. There are four ways to carry restraint: 1. Red carry strap (Fig. 1) 2. Plastic side (Fig. 2) 3. Shoulder strap: Connect shoulder strap* to webbing anchors on side of restraint (Fig. 3) 1 3 2 4.
Unfolding and Folding Restraint WARNING: • Do NOT use restraint if release levers or locking bolts bind or do not move freely. When release levers are lifted, release levers and locking bolts should spring back immediately. • Do NOT oil or lubricate any part of restraint. • ALWAYS confirm restraint is locked securely in its unfolded position before each use. • To avoid risk of injury, keep others at a safe distance during folding and unfolding.
3. Pull harness adjusting strap until harness begins to tighten. (Fig. 3) If strap does not slide freely, fold restraint, remove harness adjusting strap from fold joint and repeat step 3. 3 4 4. Fasten both fabric side panels to center panel. (Fig. 4) 5. Slide red carry strap into bottom slot in center of cover when not in use. (Fig. 5) 5 Folding Restraint 1. Remove red carry strap from behind cover and unbuckle harness. Unfasten both fabric side panels and tuck them into the sides. (Fig. 1) 1 2.
Folding Restraint (continued) 5. Place restraint on its back, push either release lever downward to release locking bolts. (Fig. 3) 6. Pull harness straps firmly toward top center restraint. Keep buckle extended toward top of restraint while folding seat bottom into back. (Fig. 4) 3 4 IMPORTANT: If restraint does not easily fold completely, do NOT force it closed. See below: ‘Folding Tips’ 7. Fasten red carry strap to secure restraint in its folded position. (Fig.
Detachable Base WARNING: • Detachable base must be used when restraint is rear-facing. • Do NOT use detachable base when restraint is forward-facing. Installing base (Rear-facing only) 1. Confirm restraint is locked in its unfolded position (see page 10). 2. Confirm adjustable bottom is locked in its raised position (see page 29). 3. Align posts with holes and insert base into restraint bottom. (Fig. 1) 1 4. Slide base back until it reaches alignment mark on restraint bottom and secures into place. (Fig.
Rear-Facing LATCH Installation WARNING: • You must use restraint rear-facing if child is less than 1 year and weighs less than 20 lbs. • Detachable base must be used with rear-facing restraint. • Do NOT use SafeStop with rear-facing child. • Do not install by this method for a child weighing more than 35 lbs. • See page 42 for LATCH connector instructions. Fig. 1 shows a typical rear-facing installation with LATCH. 1. Confirm detachable base is securely attached to restraint bottom (see page 13). 2.
5. Route LATCH belt through rear-facing belt path. Confirm LATCH belt lays flat and is not twisted. Attach each connector to the LATCH anchor closest to each side of the restraint. (Figs. 2 & 3) 2 LATCH connector will ‘click’ to confirm attachment to anchor. 3 6. Push restraint down firmly into vehicle seat while tightening LATCH belt. (Fig. 4) Vehicle cushions should compress where there is contact with restraint. 4 CHECK LIST: Confirm restraint is properly positioned.
Rear-Facing Lap-Shoulder Belt Installation WARNING: • You must use restraint rear-facing if child is less than 1 year and weighs less than 20 lbs. • Detachable base must be used with rear-facing restraint. • Do NOT use SafeStop with rear-facing child. Fig. 1 shows a typical rear-facing installation with a lap-shoulder vehicle seat belt. 1. Confirm detachable base is securely attached to restraint bottom (see page 13). 2.
4. Push restraint down firmly into vehicle seat while pulling shoulder portion of seat belt to remove slack and tighten lap portion of seat belt. (Fig. 4) Vehicle cushions should compress where there is contact with restraint. 4 WARNING: • Make sure vehicle seat belt is properly locked. • Failure to properly lock seat belt will result in an unsafe installation that will greatly increase the potential for injury or death to the child in an accident.
Rear-Facing Lap-Belt Installation WARNING: • You must use restraint rear-facing if child is less than 1 year and weighs less than 20 lbs. • Detachable base must be used with rear-facing restraint. • Do NOT use SafeStop with rear-facing child. Fig. 1 shows a typical rearfacing installation with a lap vehicle seat belt. 1. Confirm detachable base is securely attached to restraint bottom. (see page 13) 2.
4. Push restraint down firmly into vehicle seat while adjusting seat belt length. Tighten and lock seat belt according to vehicle owner’s manual. (Fig. 3) Vehicle cushions should compress where there is contact with restraint. 3 CHECK LIST: Confirm restraint is properly positioned. Confirm seat belt is tight and buckle is properly fastened. Confirm restraint installation is stable (see page 25). Stability of installation can be improved by using top tether (see page 30 for tether instructions).
Forward-Facing LATCH Installation WARNING: • Remove detachable base when restraint is forward-facing. • Do NOT place infant in forward-facing restraint until 1 year and 20 lbs. • ALWAYS use SafeStop installation for forward-facing child below 40 lbs. (See page 28). • Do not install with this method for a child weighing more than 40 lbs. • See page 42 for LATCH connector instructions. Fig. 1 shows a typical forward-facing installation with LATCH.
Installation Tip: Unfasten fabric side panels and reach behind restraint cover for easy access to belt path. (Fig. 3) 3 5. Confirm LATCH belt lays flat and is not twisted. Attach each connector to the LATCH anchor closest to each side of the restraint. (Fig. 4) LATCH connector will ‘click’ to confirm attachment to anchor. 4 6. Position connector mechanisms behind the restraint (Fig. 5A). 7. Pull loose end of LATCH strap through back of restraint (Fig. 5 and Fig. 6).
Forward-Facing Lap-Shoulder Belt Installation WARNING: • Remove detachable base when restraint is forward-facing. • Do NOT place infant in forward-facing restraint until 1 year and 20 lbs. • Always use SafeStop with forward-facing child under 40lbs. (see page 28). Fig. 1 shows a typical forwardfacing installation with LapShoulder belt. Stability of installation can be improved by using top tether shown in blue, Fig. 1 (see page 30 for top tether instructions). 1 2 1.
3. Push on restraint to force it into vehicle seat while pulling loose end of seat belt to remove slack and tighten lap portion of seat belt. (Fig. 5) 5 WARNING: • Make sure vehicle seat belt is properly locked. • Failure to properly lock seat belt will result in an unsafe installation that will greatly increase the potential for injury or death to the child in an accident. • Carefully read vehicle owner’s manual to determine seat belt locking requirements or contact vehicle manufacturer.
Forward-Facing Lap-Belt Installation WARNING: • Do NOT place infant in forward-facing restraint until 1 year and 20 lbs. • Always use SafeStop with forward-facing child under 40lbs. (see page 28). 1 • Remove detachable base when restraint is installed forwardfacing. Fig. 1 shows a typical forwardfacing installation with a lap vehicle seat belt. Stability of installation can be improved by using top tether shown in blue, Fig. 1 (see page 30 for top tether instructions). 1.
3. Push on restraint to force it into vehicle seat while pulling loose end of seat belt to remove slack and tighten lap portion of seat belt. (Fig. 5) 5 CHECK LIST: Confirm restraint is properly positioned. Confirm seat belt is tight and properly locked. Confirm seat belt buckle is properly fastened. Confirm restraint is stable (see page below). Removal: Press seat belt buckle and disconnect top tether is in use. Properly store top tether.
Booster This restraint may also be configured for use as a belt positioning booster. WARNING: • Unsecured objects can become flying hazards and can cause serious injury in a accident. While not required, it is strongly recommended to use LATCH and/or tether anchors in vehicles equipped with such anchorages • Do NOT use LATCH if installation interferes with vehicle seat belt. • Do NOT use as a booster with child under 50 lbs and under 40" tall and if child’s shoulders are below the 4th harness position.
7. Place shoulder portion into the upper belt guide on the headrest so that belt lays properly across child: on collar bone, interior to the shoulder (Fig. 2). 8. Make sure seat belt is not twisted and remove slack from seatbelt so it lays flat, smooth and snug across child in all locations. WARNING: If lap and shoulder belt portions of seatbelt and seatbelt buckle are not all correctly positioned, restraint is not properly installed as a booster.
Aircraft Installation This restraint is FAA certified for use in an aircraft only as a harnessed restraint. This restraint is NOT certified for use in an aircraft as a belt-positioning booster. 1 Rear-facing aircraft installation (Fig. 1): • Adjust seatbelt buckle to its shortest length to ensure buckle is accessible for release. • Ask flight attendant for ‘seatbelt extender,’ and then use this extender to adjust seatbelt length. • Follow remaining installation instructions on page 18.
Forward-Facing Recline Adjustment WARNING: • Do not operate adjustable bottom when using detachable base with rear-facing installation. • Only use adjustable bottom to position forward-facing restraint at a more reclined angle. Fig. 1 shows operation of adjustable base. 1 Adjustable bottom must be operated before installation of restraint. Restraint must be locked in its unfolded position before operating adjustable bottom. 2 Lowering adjustable bottom: 1. Pull bar upward. (Fig. 2) 2.
Top Tether • If vehicle does not have tether anchorage points, consult vehicle owner’s manual or contact vehicle manufacturer with questions. Do NOT modify vehicle without approval from vehicle manufacturer or authorized vehicle dealer. • Do NOT attach tether connecting strap to any movable mechanism of a vehicle seat. WARNING: • In forward-facing installations, attach top tether to approved vehicle tether anchorage points ONLY, as labeled by vehicle manufacturer. Using Top Tether: 1.
2 3. Install restraint as shown in appropriate installation sections (see pages 14 to 24 for restraint installation instructions). 4. After installing restraint, pull top tether adjuster strap to remove all slack. Tether Connecting Strap WARNING: Tether connecting strap is ONLY to be used in rear facing installations. With some vehicle models, the top tether may not fit structural parts of vehicle seat or there may not be a suitable anchorage point for top tether hook.
Infant Support Cushion Infant Support: This restraint features a full infant head and body support. (Fig. 1) Fasten Velcro tabs through harness slots to keep infant head pillow in place. (Fig. 2) 1 2 Toddler Body Support: Remove infant head pillow and place body support cushion in restraint for toddlers. Body support lays in seat and does not fasten. Side Impact Head Support This restraint features an aluminum reinforced head rest lined with EPS foam for advanced side impact safety and performance.
Using Harness Clip IMPORTANT: Position harness clip at proper height for child: level with child’s armpits. (Fig. 1) Two sets of harness pads (Fig. 1A) are included: for children below 65 lbs and for children above 65 lbs. Always utilize harness pads for forwardfacing child and follow instructions located on the inside of pads for proper use. 1 To Fasten: Push both halves together until a ‘click’ confirms proper engagement. To Unfasten: Squeeze middle tabs together (Fig. 2-A) and separate clip. (Fig.
Properly Securing Child WARNING: Serious injury or death can result if child is not properly secured in restraint. Confirm harness is snug* before each use and after making any restraint adjustments. 1. Confirm proper restraint installation. 2. To loosen harness: lift harness adjuster and pull shoulder straps forward. (Fig. 1) 3. Unfasten harness clip and harness buckle, and move harness straps to the sides. 4. Raise head support to its top position (see page 32) and place child in restraint. 1 5.
IMPORTANT: Give a firm, upward tug on both harness straps behind the child’s shoulders and close to the harness slots in the restraint, to confirm there is no harness slack behind the restraint. 8. Confirm harness is not twisted and lays flat against child. 9. Properly position harness clip so that it is level with child’s armpits. 10. Confirm harness height is correct (see below for correct Harness Height). 11. Confirm harness buckle location is correct (see page 37 for correct center buckle position).
Proper Harness Height & Child Height (continued) Maximum Height: Rear-facing child is too tall for restraint if top of head is less than 1.5” from top of restraint or if child is more than 44” tall (112 cm). Forward-facing child is too tall for restraint if tops of the ears are 1 above the back of the restraint or if child is more than 57” tall (144 cm). (Fig. 1) Adjusting Harness Height 1. Loosen harness: lift harness adjuster and pull shoulder straps forward. (Fig. 2) 2.
Harness Buckle Location Confirm location of harness buckle is correct, to insure proper harness fit: 1. Properly secure child in restraint (see page 34). 2. Check for correct position of harness buckle. For children 5–30 lbs: Harness buckle can be directly above its buckle slot (Fig. A) or forward of its buckle slot. (Fig. B) If harness buckle strap angles sharply back towards child (Fig. C), move buckle to a rear buckle location. (See below.
Harness Buckle Removal and Installation (continued) Removing harness buckle: 2 1. Make sure restraint is securely locked in its unfolded position. (See page 10, unfolding restraint.) 2. Unbuckle harness. 3. Push harness buckle strap down 2 inches into rearfacing belt path tunnel. 4. Position metal buckle strap retainer so that it is vertical. (Fig. 2) 5. Guide buckle strap and metal retainer upward and rotate it slightly to fit through slot in the restraint bottom. (See Fig. 1 on page 37.
Locking a Vehicle Lap-Shoulder Belt with a Locking Clip Proper use of a locking clip maintains a tight, secure installation by preventing the seat belt from becoming loose over time. WARNING: • Failure to properly lock the seat belt will result in an unsafe installation that will greatly increase the potential for injury or death to the child in an accident.
Restraint Cover Note: It is not necessary to remove buckle tongs or chest clip from harness straps when removing and replacing restraint cover. Removing restraint cover: 1. Unthread harness shoulder straps from back of restraint (see page 36, adjusting harness height). 2. Remove fasteners securing cover to inside of restraint bottom. (Fig. 1-A) 3. Unhook fasteners securing cover to front of restraint. (Fig. 1-B) 4.
Expandable Sides Sides may be rotated either inward (Fig. 1A) or outward (Fig. 1B) during use. 1A Note: Before folding restraint, both sides must be adjusted to their inward position (Fig. 1A) 1B Cup Holder Cup holders can be purchased as added accessories and attached to either expandable side. (Fig. 3) Each side has slots for two cup holders. (Figs. 3A, 3B) Adjust side to its outward position (Fig. 1B), insert cup holder stem into receiving slot in top of arm rest (Fig.
SuperLATCH® SuperLATCH is a high-capacity child restraint installation system. Using SuperLATCH® Connector: 1. Press red button to set connector to ‘open’ position for use. (Fig. 2) 2. Attach connector to vehicle anchor (audible ‘click’ confirms attachment, see pages 14 and 20 for complete instructions). Removal: Press red button to release connector from vehicle anchor. (Fig.
Replacing Harness Straps 1. Remove harness clip and buckle tongs from harness straps. 1 2. Take out screws and remove access panels. (Fig. 1) 3. Remove old harness straps from seat. 4. Insert new harness strap through slot in metal frame (Fig. 2), pull strap until metal end is inside the cavity. (Fig. 3) 2 5. Fasten access panels in place with screws. (Fig.1) 6. Slide buckle tongs and harness clip into harness straps.
Cleaning and Maintenance Cleaning / Maintenance of release mechanism and locking bolts: Periodically inspect release levers and locking bolts for cleanliness and proper functioning: When release levers are lifted, release levers and locking bolts should spring back immediately and completely. WARNING: • Do NOT use restraint if release levers and locking bolts do not function properly.
Cleaning the plastic shell: • Clean with damp cloth only: wet cloth with warm water and mild soap and wring thoroughly so it is NOT dripping water. • Towel dry. • Do NOT use solvents or abrasive cleaners. Washing the cover: • Hand wash or machine wash only in front loading machine. • Line dry or tumble dry on low temperature setting . • Do NOT bleach. Do NOT wash cover in hot water. (See page 40 for cover removal and replacement.
Cleaning and Maintenance (continued) Cleaning harness adjuster: Periodically inspect harness adjuster for cleanliness and proper functioning: When lifted, harness adjuster should spring back immediately. • Use a soft bristle brush to remove loose debris or clean more thoroughly if necessary. • Clean with damp cloth only: wet cloth with warm water and wring cloth thoroughly so it is NOT dripping water. • Towel dry. • Do NOT use solvents or abrasive cleaners.
Warranty Information The manufacturer of this child restraint, warrants this product only to the original retail purchaser. Visit us.diono.com for complete warranty information and details.
® Product: RadianRXT convertible car seat Model: 16900 Mfg. by: Diono LLC 418 Valley Avenue NW, Suite 100 Puyallup, WA 98371 Customer Service Tel: 1-855-463-4666 Email: dionousa@diono.com us.diono.com www.facebook.com/DionoUSA twitter.com/DionoUSA Visit us at Facebook or Twitter © 2011 Diono LLC. All rights reserved.
