diono 15600 Monterey XT Latch 2-In-1 Booster Car Seat Instruction Manual

WARNING – Carefully read and understand all instructions and warnings in this manual, and those labeled on your Child Restraint. Failure to do so can result in the SERIOUS INJURY or DEATH of your child.

SAFE USE REQUIREMENTS

This child restraint is designed for use ONLY with children who weigh 40–120 lb (18–54 kg) AND whose height is 38–63 in. (97–160 cm).
Use ONLY the vehicle lap and shoulder belt system when restraining the child in this booster seat. DO NOT use a lap belt only!
Use Use ONLY with children with children whose are below the top below the top of either the fully either the fully raised booster seat head support or the fully raised vehicle head support or the fully raised vehicle headrest.

CERTIFICATIONS

This child restraint System conforms to all applicable Federal Motor Vehicle Safety Standards (FMVSS 213). This child restraint is certiﬁed for use in passenger cars, multi-purpose passenger vehicles, and trucks ONLY.
THIS RESTRAINT IS NOT CERTIFIED FOR USE IN AIRCRAFT.
Aircraft seats do not have shoulder belts which are required for use with this booster seat.

WARNING!
DO NOT PLACE A CHILD RESTRAINT IN THE FRONT SEAT OF A VEHICLE WITH A PASSENGER AIR BAG. DEATH OR SERIOUS INJURY MAY OCCUR.
If an air bag inflates, it can hit the child or child restraint with enough force to cause serious injury or death to your child.
The back seat is the safest place for children 12 and under. Refer to your vehicle owner’s manual for information on your child restraint installation.

According to accident statistics, children are safer when properly restrained in the rear seating positions than in the front seating positions.

WARNING:

Read all instructions before using this child restraint. Keep instructions stored underneath the seat cover for future use.
Before installing this child restraint in a vehicle, be sure to also check the vehicle owner’s manual for information on proper installation.
DO NOT use this child restraint in any conﬁguration not shown in the instructions.
Use ONLY with children who weigh 40-120 lb (18–54 kg) and whose height is 38–63 in. (97–160 cm).
Use ONLY the vehicle lap and shoulder belt system when restraining the child in this booster seat. NEVER use with ONLY a vehicle lap belt to restrain a child. This could result in serious injury or death.
ALWAYS make sure the vehicle seat belt can properly retract before each use.
NEVER leave your child unattended.
NEVER install in rear facing, side facing or on the back of a folded down vehicle seat.
ALWAYS install this booster seat in the rear vehicle seat.
DO NOT use this booster seat without the backrest unless there is vehicle headrest for that seating position.
DO NOT use this booster seat with any other backrest or cushions.
ALWAYS secure the booster seat using the vehicle belt or LATCH connectors even when it is unoccupied. It could injure other occupants in a sudden stop or crash.
DO NOT use any accessories, inserts or products not included with this booster seat, unless approved by Diono. Items not tested with this booster seat could injure your child.
DO NOT modify your booster seat.
NEVER provide this booster seat to another person without also providing them with the instruction manual.

EXPIRATION

DO NOT use the child restraint if any part is damaged or broken, expired (over 8 years from date of purchase), missing instructions, missing parts, or if the straps are cut, frayed, or damaged in any way. Call 1-855-463-4666 to ﬁnd out if the damaged part or parts can be replaced.

SAFE PRACTICES

DO NOT leave loose objects, such as books, bags, etc., in the back of the vehicle. In the event of a sharp turn, sudden stop, or crash, loose objects can be thrown around and possibly cause serious injury to vehicle occupants.
DO NOT use with hot liquids as this could burn a child.
ALWAYS check all surfaces of restraint before securing your child. In warm weather, child restraints can become very hot. Do not allow children to play with vehicle seat belts.
Some vehicle seat belt systems cannot be used with this booster seat. Read vehicle owner’s manual and “Vehicle Seat Belt Systems” section of this manual.

CAR SEAT USE AFTER A COLLISION

The U.S. National Highway Traffic Safety Administration (NHTSA) recommends that car seats be replaced following a MODERATE OR SEVERE COLLISION in order to ensure a continued high level of collision protection for child passengers. Â
Car seats do not automatically need to be replaced following a MINOR collision.
NHTSA defines a MINOR collision as ALL of the following:

The vehicle was able to be driven away from the collision site; AND
The vehicle door nearest the car seat was not damaged; AND
No vehicle occupants were injured; AND
There is no visible damage to the car seat; AND
The airbags (if present) did not deploy.

NEVER use a car seat that has been involved in a MODERATE OR SEVERE COLLISION.

VEHICLE SEATING LOCATIONS

The safest seating position is one that works best for your speciﬁc child restraint, family and vehicle model.
Before installing this child restraint you must determine the method of installation and the best vehicle seating position for that method.
When determining whether the child restraint can be used with vehicle LATCH anchors in the rear center seating position, it is critical that you refer to your vehicle owner’s instruction book. If the child restraint does not install best in the rear center seating location, it is recommended to move to one of the outboard seating positions.

VEHICLE SEAT BELT SYSTEMS

IMPORTANT: Some vehicle seat belt systems cannot be used with this booster seat.

ALWAYS install this booster seat in vehicle seats with 3- point (Lap and Shoulder) belts.
ALWAYS secure this booster seat by attaching the lower anchors in vehicle seats when available when using the 3-point (Lap and Shoulder) belts.
DO NOT install this booster in vehicle seats with a Lap Belt Only.
DO NOT install this booster in vehicle seats with Motorized (Automatic) Vehicle Lap and Shoulder Belts.
DO NOT install this booster in vehicle seats with Door Mounted Vehicle Belts.

PARTS

Head Support
Head Support Adjuster
Upper Belt Guide
Lower Belt Guide
LATCH Connectors
LATCH Adjuster Straps
Cup Holder
Backrest Width Adjuster
Instruction Manual Storage Pocket

SEAT ASSEMBLY

ATTACHING THE BACKREST

With seat lying flat on the floor, tuck in fabric panel at rear of seat. Place hooks at seat bottom as shown.
Attach the backrest hooks to seat mounting points.
Push down on seatback just above hooks until fully engaged.
Rotate seatback to an upright position while maintaining pressure just above the hooks. Finish by tucking any excess fabric up and under the fabric of the backrest.

INSTALLATION

WARNING! Unsecured objects can become flying hazards and can cause serious injury in an accident. If your vehicle is equipped with lower anchors, Diono always recommends installation utilizing the LATCH connectors with this booster seat.
To improve safety and performance, this booster seat is equipped with a lower anchorage system that allows secure attachment to a vehicle’s lower anchor locations.

Disengage LATCH connectors from storage slots and lay booster seat on its side. While depressing the cam lock lever, pull LATCH connectors away from the booster seat and extend both straps all the way. Do not overextend connector straps.
Attach both LATCH connectors to the vehicle anchors, starting with the connector that is furthest from you. For ease of use, make sure open end of hooks face upward during use.
While pushing booster against vehicle seat, pull one adjuster strap tight and then the other. Make sure that both LATCH connectors are securely attached to the vehicles lower anchors.

IMPORTANT: Do not use LATCH if installation interferes with vehicle seat belt.
IMPORTANT: When using booster seat in center seating position, make sure it is stable and does not rock from side to side.

ADJUSTING THE RECLINE ANGLE

This booster seat features a recline angle that can be adjusted to match that of the vehicle seat:

Push booster seat backrest backwards until you hear a click. Backrest will now pivot freely and does not need to click into another position.
Push seat bottom and backrest of booster seat down and back into vehicle seat until there is secure positioning with the booster seat and vehicle seat bottom and vehicle seat back. A gap is acceptable as long as the head support is touching the vehicle seat back or head rest.

IMPORTANT: It may also be necessary to adjust the recline angle of the booster seat to match that of the vehicle seat.

LOWER ANCHOR REMOVAL & HEAD SUPPORT

DISENGAGING LOWER ANCHOR INSTALLATION

Follow the previous instructions in reverse order.

Reach under the bottom of the booster seat and depress the cam lock lever while pulling the seat away from the vehicle seat back until the lower anchor straps are extended all the way.
Disconnect LATCH connectors from vehicle anchors.
Pull lower anchor adjuster straps to recess the LATCH connectors into the back of the booster seat bottom for safe storage.

IMPORTANT: Do not use LATCH if installation interferes with vehicle seat belt.

ADJUSTING THE HEAD SUPPORT

The head support height can be adjusted for best ﬁt to your child and to ensure proper placement of the Vehicle Shoulder Belt. Squeeze the head support adjustment lever on the back of the booster seat while adjusting its height up or down to ﬁt the child.

SECURING THE CHILD

WARNING! Use ONLY the lap and shoulder belt system when restraining the child in this booster seat. DO NOT use lap belt only.

Place booster seat on vehicle seat so it is resting ﬁrmly on vehicle seat bottom and touching the vehicle seat back. A gap is acceptable as long as the head support is touching the vehicle seat back or head rest.
Properly position child: sitting upright and seated all the way back in the booster seat.
Adjust head support to proper height: The RED shoulder belt guide should be slightly above the child’s shoulders (at least 1 cm). Squeeze the head support adjustment lever on the back of the booster seat while adjusting it’s height up or down to ﬁt the child.
Feed the vehicle diagonal shoulder belt portion of the seat belt through the RED shoulder belt guide into the side of the seat opposite the seat belt buckle.
Fasten vehicle seat belt across child. The lap portion of the seat belt should rest within both lower belt guides. The diagonal shoulder belt portion should route inside the lower belt guide closest to the buckle and over child’s shoulder.
Make sure the vehicle seat belt is not twisted and lays ﬂat across child’s lap, torso and shoulder.
Tighten the seat belt by pulling the diagonal shoulder belt portion in the direction of the arrows.
Conﬁrm seat belt buckle is in correct position.

IMPORTANT: The Vehicle Shoulder Belt MUST route completely through the RED shoulder belt guide and not fall off the child’s shoulder.
IMPORTANT: DO NOT position the Vehicle Lap Belt over the armrest.
It MUST pass under the armrest.
IMPORTANT: When using the diagonal portion of the seat belt, it should lay over the shoulder and should NOT be touching the child’s neck.

PROPER BUCKLE POSITION

IMPORTANT: After booster seat is installed and seat belt is fastened around child, it is important to conﬁrm correct seat belt buckle position to ensure secure installation.

CORRECT SEAT BUCKLE POSITION
Buckle is on the outside of lower belt guide.

INCORRECT SEAT BUCKLE POSITION
If buckle is being pulled across the lower belt guide and into the seat, choose another seating position within the vehicle.

BACKLESS BOOSTER SEAT

While this booster seat is designed to offer advanced side-impact protection with its backrest section attached, the seat bottom can also be used alone as a backless booster.

Remove the seat back by reversing the steps shown in “Seat Assembly.”
Make sure both LATCH connectors are securely attached to the vehicles lower anchors (see “Lower Anchor Installation”). While pushing booster against vehicle seat, pull the adjuster straps tight.
Place booster seat on vehicle seat so it is resting ﬁrmly on vehicle seat bottom and touching the vehicle seat back. The entire seat bottom should sit ﬂat on the vehicle seat.
Properly position child: sitting upright and all the way back in the booster seat.
Fasten seat belt across child.
Make sure seat belt is not twisted and lays ﬂat across child’s hips, torso and shoulder.
Tighten the seat belt by pulling the diagonal shoulder belt portion in the direction of the arrows.

NEVER position the shoulder belt loosely or under the child’s arm or behind their back.

USING THE SHOULDER BELT GUIDE STRAP

Remove shoulder belt guide strap from storage area underneath seat.
Position child correctly in seat as per the prior instructions in the manual, making sure lap and shoulder belts are positioned properly across child.
Attach the red shoulder belt guide strap onto the diagonal shoulder belt.
Adjust strap to correct length, so that the red guide is just above shoulder.

WARNING! If the diagonal seat belt portion does not correctly ﬁt the child, then the seat must be used with the shoulder belt guide strap or with the seatback portion attached and properly adjusted to ﬁt the child.

CUP HOLDERS

Cup holders are located on both sides of the seat bottom.

Swivel outward to the locked position for use.

Swivel inward to the recessed and locked position when not in use.

CAUTION: DO NOT use with hot liquids as this could burn a child.
IMPORTANT: Do not step on or put excess weight on the cup holder which could cause it to break.

CARE & MAINTENANCE

REMOVING THE COVER

Separate seat back section from seat bottom section.
Remove plastic fasteners and elastics that secure fabric cover to seat bottom, seat back and head rest.
Remove fabric cover pieces from the booster seat sections.

DO NOT use solvents, detergents or any other chemical or cleaning agent.
DO NOT lubricate any part of the seat.

WARRANTY

Diono LLC and Diono Ltd and Diono GmbH warrants its products (car seats, strollers, baby carriers and accessories) to the original retail purchaser as follows:
Diono warrants to the original consumer purchaser that this product (car seats, strollers, baby carriers, and accessories) will be free from defects in material and workmanship for one (1) year from the date of original purchase (the “Warranty Period”). During the Warranty Period, Diono will, at its option, repair or replace the product if it is found by the manufacturer to be defective in material or workmanship. Diono reserves the right to discontinue or change: parts, fabrics, models, or products, or to substitute the product with a comparable model or product.
PLEASE COMPLETE THE ONLINE REGISTRATION FORM OR MAIL THE OWNER REGISTRATION CARD WITHIN (30) DAYS OF PURCHASE
An original receipt from an authorized retailer or diono.com is required to validate your warranty. Shipping charges are the responsibility of the original consumer purchaser. To expedite the processing of any future warranty claims and to verify the original date of purchase, please complete and mail the pre-addressed owner registration card within thirty (30) days of purchase and register your product online, opting into communication from Diono.

WARRANTY LIMITATIONS

This warranty does not cover the effects of normal wear and tear or damage resulting from negligence, modiﬁcation, improper installation, accidents, incorrect washing of covers, misuse, or abuse of this product. It is expressly agreed that the obligations of Diono and the original consumer purchaser’s remedies under the limited warranty contained herein are exclusive and are strictly limited to the repair or replacement of the product. This limited warranty is conditional upon strict compliance with the provisions of the product instruction manual. In no event will Diono or the retailer selling the product be liable to you for any damages, including incidental or consequential damages, arising out of the use or inability to use the product.
The use of non-Diono covers, inserts, toys, accessories, tightening devices, or similar items is not approved by Diono for use on Diono car seats or strollers. Use of unapproved items could cause the child restraint or stroller to fail Federal or European safety standards, or may adversely impact performance in a crash. Use of unapproved items automatically voids the Diono warranty.

EXTENDED WARRANTY ON 2020 MODEL YEAR ONWARDS STROLLERS AND CAR SEATS

Diono LLC and Diono Ltd warrants ONLY to the original consumer purchaser and only if this product was purchased (new and unused in an unopened box) from diono.com, and who has fully registered their product online at diono.com within two (2) months of purchase, that this product will be free from defects in material and workmanship for an additional two (2) years (the “Extended Warranty Period”) after the standard one (1) year warranty period has expired. The complimentary extended warranty applies only in the USA, the UK and Deutschland. An original receipt is required to validate your warranty. Shipping charges are the responsibility of the original consumer purchaser. During the Extended Warranty Period, Diono will, at its option, repair or replace the product if it is found by the manufacturer to be defective in material or workmanship. Diono reserves the right to discontinue or change: parts, fabrics, models, or products, or to substitute the product with a comparable model or product. Replacement product does not extend any warranty period.

EXTENDED WARRANTY LIMITATIONS

The complimentary extended warranty is available only on 2020 model year onwards car seats (Radian 3R and 3Q, Monterey, Cambria, Everett and Solana series), and strollers (Excurze), in USA, UK and Deutschland. This extended warranty does not cover fabrics, the effects of normal wear and tear, or damage resulting from negligence, modiﬁcation, improper installation, accidents, airline/transport damage, misuse, or abuse of the product. It is expressly agreed that the obligations of Diono and the original consumer purchaser’s remedies under the limited warranty contained herein are exclusive and are strictly limited to the repair or replacement of the product. This limited warranty is conditional upon strict compliance with the provisions of the product instruction manual. In no event will Diono be liable to you for any damages, including incidental or consequential damages, arising out of the use or inability to use the product.
Excluded from the additional warranty are any Nuna, or other branded car seats sold at diono.com. See additional Warranty Limitations listed above for further details.

LIMITATION OF DAMAGES

The warranty and remedies as set forth above are exclusive and in lieu of all others, oral or written, express or implied. In no event will Diono or the retailer selling Diono products, be liable for any damages, including incidental or consequential damages, arising out of the use or inability to use this product.

LIMITATIONS OF WARRANTIES AND OTHER WARRANTY TERMS AND STATE LAWS

Any implied warranties, including implied warranties of merchantability and ﬁtness for a particular purpose, shall be limited to the duration and terms of the express written warranty.
USA: Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply. This warranty gives you speciﬁc legal rights, and you may have other rights, which vary from state to state. Neither Diono, nor the retailer selling this product, authorizes any person to create for it any other warranty, obligation, or liability in connection with the product.

REFUNDS AND RETURNS

Diono LLC Diono Ltd, and Diono GmbH reserves the right to issue refunds in its sole discretion. All refund offers expire 35 days after the issuance of a shipping label by Diono. Diono will only receive returns that have a valid “Return Authorization Number” clearly visible on the return label provided. Shipping charges are the responsibility of the original consumer purchaser. All other returns will be refused. ALL returns are subject to inspection and ﬁnal approval by Diono LLC, Diono Ltd, and Diono GmbH . The original consumer purchaser assumes risk of lost or damaged product while in transit to Diono. For more information, please contact Diono Customer Service.

14810 Puyallup Street E
Suite 200 Sumner WA 98390, United States
diono.com
United States: 1-855-463-4666
Canada: 1-866-954-9786

Documents / Resources

diono 15600 Monterey XT Latch 2-In-1 Booster Car Seat [pdf] Instruction Manual
15600, Monterey XT Latch 2-In-1 Booster Car Seat

diono 15600 Monterey XT Latch 2-In-1 Booster Car Seat

SAFE USE GUIDE