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Nautilus® Styles - Which is best for your family?
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Nautilus® 2.0 LX 3-in-1 Harness Booster Car Seat
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$219.99
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Product Details
Description
The Graco® Nautilus® 2.0 LX ft. InRight™ LATCH 3-in-1 Harness Booster Car Seat can be used from toddler to youth, keeping your growing child safe. With 3 modes of use, your child can ride securely with a forward-facing harness from 26.5-65 lb, a highback booster from 40-100 lb, and a backless booster seat from 40-120 lb. The updated, sleeker design includes quilted soft goods and InRight™ LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation. Its Simply Safe Adjust™ harness allows you to adjust the harness and headrest together as your child grows, with no time-consuming rethreading. You'll appreciate the strength of the steel-reinforced frame and 4-position recline for comfort and fit. The booster car seat also includes 2 personal cup holders to help your little passenger enjoy the ride. The car seat is Graco® ProtectPlus Engineered™ to help protect in frontal, side, rear, and rollover crashes.
Features
- 3-in-1 harness booster helps protect your child, from toddler to big kid
- Grows with your child from forward-facing harness (26.5-65 lb) to highback booster (40-100 lb) to backless booster (40-120 lb)
- No-Rethread Simply Safe Adjust™ Harness System allows the headrest and harness to adjust together in one motion
- Featuring an updated, sleeker design with quilted soft goods for a more modern look
- InRight™ LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation
- Steel-reinforced frame provides strength and durability for 10 years of use
- 4-position recline helps keep your growing child comfy
- One-hand, 10-position adjustable headrest grows with your child
- 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
- Side-impact tested according to FMVSS 213a with the built-in 5-point harness system
- EPS, energy-absorbing foam for effective impact management
- Engineered & crash tested to meet or exceed US standard FMVSS 213
- Rigorously crash tested to meet or exceed US safety standards
- Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage
- In addition to meeting or exceeding all applicable US safety standards, the Nautilus® 2.0 LX has been side-impact tested for occupant retention solely with the built-in 5-point harness system
Recommended Use
Forward-Facing Harness: 26.5-65 lb, up to 49"; Highback Booster: 40-100 lb, 43-57", at least 4 years old; Backless Booster: 40-120 lb, 43-57", at least 4 years old; STOP using this child restraint and throw it away 10 years after the date of manufacture.; When forward-facing, children should use the built-in harness system for as long as possible until they reach the maximum forward-facing weight or height for their car seat. At that point, children should ride in a belt-positioning booster seat. A booster is no longer needed once the vehicle seat belt fits properly, typically when they reach 4 feet 9 inches tall and are between ages 8-12. Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage.*; *Graco Supports the American Academy of Pediatrics and National Highway Traffic Safety Administration's Car Seat Guidelines. Visit our safety page for information on car seat usage recommendations.
STOP using this child restraint and throw it away 10 years after the date of manufacture.
When forward-facing, children should use the built-in harness system for as long as possible until they reach the maximum forward-facing weight or height for their car seat. At that point, children should ride in a belt-positioning booster seat. A booster is no longer needed once the vehicle seat belt fits properly, typically when they reach 4 feet 9 inches tall and are between ages 8-12. Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage.*
*Graco Supports the American Academy of Pediatrics and National Highway Traffic Safety Administration's Car Seat Guidelines. Visit our safety page for information on car seat usage recommendations.
STOP using this child restraint and throw it away 10 years after the date of manufacture.
When forward-facing, children should use the built-in harness system for as long as possible until they reach the maximum forward-facing weight or height for their car seat. At that point, children should ride in a belt-positioning booster seat. A booster is no longer needed once the vehicle seat belt fits properly, typically when they reach 4 feet 9 inches tall and are between ages 8-12. Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage.*
*Graco Supports the American Academy of Pediatrics and National Highway Traffic Safety Administration's Car Seat Guidelines. Visit our safety page for information on car seat usage recommendations.
Specifications
-
Color: Hex
-
Model#: 2216096
-
Product Width: 19.4 in
-
Product Height: 26 in
-
Product Depth: 19.7 in
-
Product Weight: 17.4 lb
FAQ
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<span>
<strong>Q1:</strong>What are the weight and height limits for the Graco Nautilus 2.0 LX 3-in-1 Harness Booster Car Seat?</span>
<span class="faq-arrow" id="faq-arrow-0">▼</span>
</div>
<div class="faq-answer" id="faq-answer-0">
<strong>A1:</strong>The Graco Nautilus 2.0 LX 3-in-1 Harness Booster Car Seat supports children in three stages: forward-facing harness mode for 26.5-65 lb (up to 49 inches), highback booster for 40-100 lb (43-57 inches, at least 4 years old), and backless booster for 40-120 lb (43-57 inches, at least 4 years old). These car seats accommodate a wide range of sizes for growing children.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(1)">
<span>
<strong>Q2:</strong>How does the InRight LATCH system work on the Graco Nautilus 2.0 LX car seat?</span>
<span class="faq-arrow" id="faq-arrow-1">▼</span>
</div>
<div class="faq-answer" id="faq-answer-1">
<strong>A2:</strong>The InRight LATCH system on the Graco Nautilus 2.0 LX harness booster provides a one-second attachment with an audible click, ensuring secure installation of the child car seat. This easy LATCH installation method helps parents achieve proper car seat positioning and enhances vehicle seat compatibility.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(2)">
<span>
<strong>Q3:</strong>What safety standards does the Graco Nautilus 2.0 LX meet or exceed?</span>
<span class="faq-arrow" id="faq-arrow-2">▼</span>
</div>
<div class="faq-answer" id="faq-answer-2">
<strong>A3:</strong>The Graco Nautilus 2.0 LX 3-in-1 booster seat is engineered and crash tested to meet or exceed US standard FMVSS 213. It is also side-impact tested for occupant retention with the built-in 5-point harness system and includes EPS energy-absorbing foam for impact management, aligning with child passenger safety guidelines.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(3)">
<span>
<strong>Q4:</strong>How does the Simply Safe Adjust Harness System benefit growing children?</span>
<span class="faq-arrow" id="faq-arrow-3">▼</span>
</div>
<div class="faq-answer" id="faq-answer-3">
<strong>A4:</strong>The Simply Safe Adjust Harness System on the Graco Nautilus 2.0 LX allows the headrest and harness to adjust together in one motion, eliminating the need for rethreading. This adjustable harness system supports proper fit for toddlers and older children, ensuring ongoing child car seat comfort and security.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(4)">
<span>
<strong>Q5:</strong>What is the recommended lifespan for the Graco Nautilus 2.0 LX booster seat?</span>
<span class="faq-arrow" id="faq-arrow-4">▼</span>
</div>
<div class="faq-answer" id="faq-answer-4">
<strong>A5:</strong>The Graco Nautilus 2.0 LX harness booster seat should be discontinued and discarded 10 years after the date of manufacture. This car seat expiration guideline aligns with recommendations for child restraint systems and ensures continued compliance with safety standards for infant and child car seats.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(5)">
<span>
<strong>Q6:</strong>What features enhance comfort in the Graco Nautilus 2.0 LX 3-in-1 car seat?</span>
<span class="faq-arrow" id="faq-arrow-5">▼</span>
</div>
<div class="faq-answer" id="faq-answer-5">
<strong>A6:</strong>The Graco Nautilus 2.0 LX offers a 4-position recline, quilted soft goods, and a one-hand, 10-position adjustable headrest for customizable comfort. Additional features include two easy-to-clean cup holders, supporting a comfortable and convenient ride for children using this harness booster or booster seat.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(6)">
<span>
<strong>Q7:</strong>When should a child transition from the harness to the booster mode in the Graco Nautilus 2.0 LX?</span>
<span class="faq-arrow" id="faq-arrow-6">▼</span>
</div>
<div class="faq-answer" id="faq-answer-6">
<strong>A7:</strong>Children should use the built-in harness system of the Graco Nautilus 2.0 LX forward-facing car seat as long as possible, until reaching the maximum weight or height for the harness (65 lb or 49 inches). Afterward, transition to the belt-positioning booster seat mode, following AAP and NHTSA car seat guidelines.</div>
</div>
<div class="faq-accordion-item">
<div class="faq-question" onclick="toggleFaq(7)">
<span>
<strong>Q8:</strong>What crash protection technologies are included in the Graco Nautilus 2.0 LX?</span>
<span class="faq-arrow" id="faq-arrow-7">▼</span>
</div>
<div class="faq-answer" id="faq-answer-7">
<strong>A8:</strong>The Graco Nautilus 2.0 LX 3-in-1 car seat features ProtectPlus Engineered technology for protection in frontal, side, rear, and rollover crashes. The steel-reinforced frame and EPS energy-absorbing foam further enhance impact protection, supporting advanced child passenger safety in booster and harness modes.</div>
</div>
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Care & Maintenance
- CLEANING SEAT PAD: Machine wash pad in cold water with gentle soap on delicate cycle & drip dry. Do not use bleach.
- CLEANING BUCKLE: Place in a cup of warm water and gently agitate the buckle. Press red button several times while in the water. Do not submerge the buckle strap. Do not use soap, detergents or lubricants
- CLEANING HARNESS: Surface wash only with mild soap & damp cloth or wipes. Do not immerse harness straps or latch strap in water. For full instructions see here
- CLEANING HARDGOODS: Metal and plastic parts may be cleaned with mild soap & cool water For full cleaning instructions, please refer to your user manual or contact Customer Service at www.gracobaby.com or 1-800-345-4109
Product Instructions
Frequently Asked Questions
- HOW TO TIGHTEN/LOOSEN HARNESS STRAPS? Please reference the Car Seat Manual for instructions [insert link here once available]
- IS THIS SEAT A CONVERTIBLE? No, the Graco® Nautilus® 2.0 LX is a 3-in-1 Harness Booster car seat that grows with your child from toddler to big kid, as a forward-facing harness (22-65 lb), highback booster (40-100 lb), and backless booster (40-120 lb).
- WHEN SHOULD I TRANSITION MY CHILD FROM A HARNESS TO A SEAT BELT? When forward-facing, children should use the built-in harness system for as long as possible until they reach the maximum forward-facing weight or height for their car seat. At that point, children should ride in a belt-positioning booster seat. A booster is no longer needed once the vehicle seat belt fits properly, typically when they reach 4 feet 9 inches tall and are between ages 8-12. Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage.**Graco Supports the American Academy of Pediatrics and National Highway Traffic Safety Administration's Car Seat Guidelines. Visit www.gracobaby.com/en-US/safety for information on car seat usage recommendations.
- HOW DO I LOOSEN UP THE LATCH TO REMOVE FROM THE CAR? If using an InRight LATCH, press on the grey button and pull on the strap to extend the length. Then press the red button to pull out from the lower anchors of the vehicle. If using a Hook LATCH, press on the grey button and pull on the strap to extend the length. Then press the clip to remove the hook from the lower anchors of the vehicle.
- HOW DO YOU ATTACH THE BACK OF A HIGHBACK BOOSTER TO THE BASE? Please reference the Car Seat Manual for instructions.
- CAN I INSTALL USING LATCH IN THE MIDDLE SEAT IF THE LATCH ANCHORS ARE ON THE OUTBOARD SEATS? Review your vehicle's owner manual for exact location and use of lower anchors and top tether. LATCH can only be used if the vehicle LATCH anchor spacing is 11 inches (28 cm) from the center of one LATCH anchor to the center of the other LATCH anchor. If the spacing is greater than 11 inches, it can only be used if all three of the following are met: 1) The vehicle manual and car seat manual both allow it. 2) Connection to the lower anchors does not interfere with the vehicle belts of other passengers. 3) You are able to achieve a secure installation that does not move more than 1 inch side-to-side or front-to-back.
- HOW DO I KNOW IF MY SEAT IS INSTALLED CORRECTLY? Before beginning the installation, review your car seat manual and vehicle manual for specific information about your car seat model and vehicle type. Go through the checklist below to help confirm you have a secure installation: 1) Test for Tightness: Grab the sides of the car seat at the belt path and move side-to-side and front-to-back. The car seat should not move more than an inch in any direction. If it does move more than an inch, repeat the installation and refer to your car seat manual. 2) Check the Harness Height: When using the 5-point harness forward-facing, the harness should be AT or ABOVE the child's shoulders. Raise or lower the harness as needed. 3) Secure the Chest Clip: The chest clip should be at the level of the child's armpits. Raise or lower as needed. 4) Do the pinch test: Pinch the harness webbing at the child's shoulders. If you can pinch any excess webbing, the harness is too loose. Use the front adjuster strap to tighten until you cannot pinch any excess webbing. If you have all checked all of the above, you have a secure installation!
- WHAT IS A HIGHBACK BOOSTER? There are many different types of car seats out there and Graco® wants to make sure you find the correct one that fits your child's need. There are 3 types of booster seats: 1) Harness boosters, 2) highback belt-positioning boosters and 3) backless belt-positioning booster. Nautilus 2.0 LX is a harness booster that changes from a forward-facing harness booster to highback and backless booster. Highback and Backless belt-positioning boosters are designed to boost the child’s height so the seat belt fits properly. Highback boosters also provide neck and head support. http://www.gracobaby.com/en-US/safety-information
- WHAT IS A BACKLESS BOOSTER? There are 3 types of booster seats: 1) Harness boosters, 2) highback belt-positioning boosters and 3) backless belt-positioning booster. Nautilus 2.0 LX is a harness booster that changes from a forward-facing harness booster to highback and backless boosters. Highback and Backless belt-positioning boosters are designed to boost the child’s height so the seat belt fits properly. Highback boosters also provide neck and head support. http://www.gracobaby.com/en-US/safety-information
- WHAT IS INRIGHT LATCH? InRight™ LATCH is Graco's one-second, push-in LATCH connector for easy installation.
- WHY WOULD I NEED A LATCH SYSTEM OR LOWER ANCHORS ON A BELT POSITIONING BOOSTER SEAT? LATCH systems or lower anchors on Belt Positioning Boosters provide a secure connection to your vehicle, keeping the booster affixed to your vehicle seat when not in use and keeping the booster properly in place for easy self-buckling for child.
- As always, please contact our consumer services team if you have any additional questions.
Replacement Parts Graco
We at Graco care about safety and the only way we can make sure that the parts of your order are a perfect fit for your Graco product is to ask for the model number and manufacture date of the product you own.
Search by Model Number
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MMDDYY-011305
Y Y Y Y M M D D - 2 0 1 6 0 2 0 5
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Locating Your Product Information
Model Number
Most Model numbers can be found on the back of your Graco® product. In some Graco products, model numbers can be found on the top of a base unit.
Manufacturing Date
This date refers to the day, month, and year in which a Graco product was made, and can be found on the sticker along with the model number. Here are three examples manufactured date formats:
011305
GRACO CHILDREN'S PRODUCTS INC. EXTON PA 1931 1-888-224-5649 Made in U.S.A.
M M D D Y Y
Model: 7777DEV
Manufactured in 20160205
EXTON PA 1931 1-888-224-5649 Made in U.S.A.
Y Y Y Y M M D D
Model: 7777DEV
Manufactured in 130105
GRACO CHILDREN'S PRODUCTS INC. EXTON PA 1931 1-888-224-5649 Made in U.S.A.
D D M M Y Y
Rated 5 out of
5
by
BCat from
Kiddo Loves It
My oldest finds this carseat easy to climb in/out of. Highly recommend for anyone who has kids that are 4+yo.
Date published: 2026-06-18
Rated 5 out of
5
by
Enmm from
Overall experience
Installation was very easy. Besides following the instruction manual, there are also helpful installation videos available on YouTube.
Overall, the car seat looks safe and comfortable. The fabric feels soft, although my niece tends to sweat easily, so it can get a little warm during the summer. However, with the air conditioning on, it hasn't been a major issue.
Since this car seat doesn't have extremely deep side bolsters, I think it may be a better fit for slightly older children who prefer a roomier seat.
A couple of things I wish could be improved: the side headrest padding feels a bit firm and doesn't have as much cushioning as I expected. Also, there are only two crotch buckle positions. Having one additional position would provide more flexibility. My 5-year-old niece is already using the outermost slot, and when she wears a fluffy dress, the buckle area can feel quite snug. She has occasionally mentioned that it feels a little tight and uncomfortable.
That said, for this price point, I really appreciate that this is a 3-in-1 car seat with a steel-reinforced frame. The overall safety design gives me peace of mind, and I feel confident keep using it.
Date published: 2026-06-17
Rated 5 out of
5
by
sabbott from
Awesome Seat!
I bought the seat when my 3-year-old was ready to be forward facing. The seat she had was very difficult to strap her in and I didn't want to spend the rest of her time in a car seat fighting with buckles. This car seat was so easy to install, it doesn't take up too much space, she's super comfortable in it, and best of all she's easy to strap in. I loved this seat so much that I bought another one for the other car. Highly recommend!
Date published: 2026-06-04
Rated 5 out of
5
by
JSharpe from
Great Car seat
It's a really well-made car seat, and my child loves it.
Date published: 2026-06-01
Rated 5 out of
5
by
Anonymous from
Perfect Upgrade!
The perfect upgrade from our 4ever. I love that it’s less bulky but still has a 5 point harness.
Date published: 2026-05-29
Rated 4 out of
5
by
CMorr from
Love the color
We chose this car seat because it has the option to recline, however, the recline feature is quite difficult to use depending on your backseat. Otherwise, we live the color and the adaptability for it to also become a booster as our kiddo gets older.
Date published: 2026-05-24
Rated 5 out of
5
by
Josie26 from
Perfect for kids
I bought this for my daughter who prefers stationary car seats over the swiveling ones. It was incredibly easy to install and is very solid and comfortable. It wasn't too expensive, either.
Date published: 2026-05-15
Rated 5 out of
5
by
Mrsnoble19 from
We love it! Super easy install!
We moved to this when my kiddo moved to forward facing, as I didn't like the way our old seat installed forward. It was super easy to put together, and even easier to install! So easy, I uninstalled it and reinstalled it just to show my friend how easy it is! The harness moves super smooth, and adjusts nicely. My kiddo loves this seat. She's super excited that she has armrests like mommy. 100% recommend! Will be getting a second one when our next child moves to forward facing!
Date published: 2026-05-11
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<div class="bvseo-question-answer" data-questionid="8165134">
<h2 class="bvseo-question">
Is it Graco Nautilus 2.0 LX 3-in-1 Harness Booster Car Seat FAA approved?
</h2>
<div class="bvseo-question-detail">
</div>
<div class="bvseo-author">Asked by: Semsem</div>
<div class="bvseo-answer" data-answerid="7810844">
Thanks for your interest in the Nautilus&reg; 2.0 LX 3-in-1 Harness Booster car seat. This seat is certified for use on aircraft only when the internal harness system is being used and should be installed on forward-facing aircraft seats. For proper use, please follow the vehicle installation instructions and refer to section 7-E in the manual for guidance on routing the aircraft lap belt. We hope this information helps you determine if this car seat is a good fit for your family. &mdash; The Graco Team
<div class="bvseo-author">Answered by: GraoBaby</div>
<div class="bvseo-pubdate">Date published: 2026-06-09</div>
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$219.99