Britax Belt Positioning Booster Car Seats raise the child so that the vehicle’s lap and shoulder belts fit correctly on the child’s hips and shoulders

Britax Belt Positioning Booster Car Seats

Britax Belt Positioning Booster Car SeatsThe Britax Belt Positioning Booster Car Seats raise the child so that the vehicle’s lap and shoulder belts fit correctly on the child’s hips and shoulders.

It is not a lap-belt only system but must be used with a vehicle lap and shoulder belt system.

The one feature of the Britax Belt Positioning Booster Car Seats that is most appreciated is its unique SecureGuard clip that provides one extra point of restraint in keeping kids from sliding under the lap belt.

The Britax Belt Positioning Booster Car Seats come in 2 models, i.e., Britax Parkway SG and Britax Parkway SGL.



Britax Belt Positioning Booster Car Seats SecureGuard

Britax Belt Positioning Booster Car Seats Fit Chart:

  •  forward-facing
  • Seated Shoulder Height is 15” to 21.5” with backrest
  • Weight is 40 lbs to 120 lbs
  • Height is 38” to 63” with backrest


Britax Belt Positioning Booster Car Seats General Features

General features are features shared by all Britax Belt Positioning Booster Car Seats

  • Base with SafeCell Technology designed to keep your child safe and secure in a crash by compressing and significantly lowering the center of gravity, reducing the forward movement of the car seat
  • True Side Impact Protection distributes crash forces, shields from vehicle intrusion, contains the head and body, and keeps the head, neck and spine “in true” or aligned, to limit injury
  • SecureGuard works with the vehicle safety belt to prevent the child from sliding under the lap-belt portion of the safety belt (submarining) during impact, thus minimizing the risk of abdominal injury
  • 120-pound Weight Capacity for safety and comfort as your child grows
  • Quick- Adjust Head Restraint easily adjusts the head restraint from the front of the seat for a more comfortable fit and enhanced safety
  • High Density Comfort Foam (under removable cover) provides an extra layer of padding to cushion your child
  • Easy-Remove Cover allows easy cleaning
  • Color-Coded Vehicle Belt Guides provide clear indication of the positioning of the vehicle lap and shoulder belt
  • Armrests provide a natural and comfortable place to rest arms
  • Retractable Cup Holders are designed to hold children’s cups and snacks
  • Removable Back allows the booster seat to easily convert to a backless booster while maintaining safety of SecureGuard



Britax Parkway SGBritax Parkway SG


Britax Parkway SG delivers on the Britax reputation for safe, innovative car seats with its features of ample side-impact protection and SecureGuard.

Its SecureGuard feature keeps kids from slipping under the car lap belts in a crash.

The Britax Parkway SG has a narrow profile for carpooling or fitting multiple car seats in a row.

Get this belt positioning car seat on sale right here!


Check Out this Review:

Get the Britax Parkway SG at the best price yet by clicking here!


Britax Parkway SG Pros & Cons:





  • SecureGuard may be uncomfortable
  • small and low armrests

Britax Belt Positioning Booster Car Seats Features

What People Say About the Britax Parkway SG:

“Whoops, accidentally bought this for our 2nd car after purchasing an SGL first. Turns out the “L” stands for “latch”, which means this particular booster doesn’t latch into the seat the way a traditional car seat would. This one sits on the bench or bucket seat and stays secure with the assistance of the car’s safety belt system. From what I understand the latch system is mainly for the protection of the driver and passengers, should there be an auto accident while no child is buckled into this seat. It keeps the booster from flopping around and injuring others in such a crash. We just buckle the seat in when my daughter gets out, and unbuckle for her to sit back in it….as far as I’m concerned, problem solved. We love this seat, and the Britax brand. Highly recommended.” – C. Jenkins


“While my four year old isn’t fond of the added “submarining” protection, I am in love with this seat.

It allows me to fit three children, in their boosters and car seats, in he back of my Honda Fit (believe it). The seat’s width is approx 15″, so it matches up well with a graco infant seat, and another booster(infant seat must be In the middle).

While Ithte seat is a little pricey, it does a great job and fits like a charm.” – Jon


Britax  Parkway SGL


Britax Parkway SGL

The one feature that the Britax Parkway SGL can boast of over the Britax Parkway SG is  its ISOFLEX Flexible Lower LATCH Connection System.

This system secures the booster seat to the vehicle in seconds from either side of the booster seat with two clicks and a pull.

ISOFLEX prevents the booster seat from becoming a projectile when not in use, and stabilizes it during a crash.

Get this belt positioning car seat on sale right here!


Check Out this Review:

Get the Britax Parkway SGL at the best price yet by clicking here!


Britax Parkway SGL Pros & Cons:



  • good height range
  • SecureGuard clip for submarining prevention
  • high and deep side wings for head and torso
  • well padded and comfortable
  • LATCH system for holding booster in place
  • usable as a backless booster
  • usable in seating positions not having a head restraint or where head restraints need to be removed in highback mode
  • get your very own Britax Parkway SGL right here and now!



  • relatively expensive
  • LATCH release button a little finicky at times
  • not made in the USA

Britax Parkway SGL Features

What People Say About the Britax Parkway SGL:

“I bought a Britax Parkway SGL and also a Graco Affix. I didn’t quite know what to expect but both seats are on the IIHS best picks list. There’s nothing “wrong” with the Graco, but I was surprised by the very different overall impressions they created.

1. Better LATCH straps – The Graco has a single sided LATCH system while the Britax utilizes dual adjustment straps. The Britax straps are also exceptionally well designed in their location and function.
2. Better seat bottom – The bottom seat has significantly more springy cushioning on the Britax. The Graco seat as well as back only has a single layer of about 1 cm thick neoprene like feeling material. If you apply pressure to the Graco seat, it feels like hard plastic with minimal give allowed. The Britax seat feels like it has more like 4-6 cm of give before feeling a hard surface vs the 1 cm of give on the Graco.
3. Aesthetics – The Britax really looks and feels high quality.

1. Cost – The Graco is significantly less expensive.
2. IIHS Best Pick for both seat only and with high back – The Graco is on the IIHS Best Pick list for both configurations while the Britax is listed as a Best Pick only in high back mode.

If the seat belt is difficult to pull through the shoulder seat belt guide, consider raising or lowering the head piece of the booster seat. The seat belt guide is attached to this adjustable top, head cushion. By changing the height of the top, head piece, the angle of the seat belt entering the guide from the car’s seat belt attachment changes quite a bit. This allowed the seat belt to move significantly easier than it did before we made the adjustment.

I didn’t think I would feel like one would be obviously better IMHO but the Britax looks and feels like a premium product when I compare it directly to the Graco. If I did not have the Britax for comparison, I think I would be okay with the Graco but the hardness of the Graco seat would be fairly obvious.” – E. Kim

Britax Belt Positioning Booster Car Seats Fit Chart“WHAT WE HAD BEFORE: We moved from a 5-point harness to a very basic (well rated, somewhat cheap at $60) high-back booster when our child turned 5, ~ 45 lbs, 42″ tall. I’m sure it’s fine for when your child is bigger, as just a booster/seat belt positioner. However, it was super light, plastic, seemed kind of chintzy, slides all around the seat (no LATCH, not heavy enough to stay), and my child had a tendency to put his legs over the side toward the inside of the car rather than sit forward…that is…everything got a little sloppy. We were eager to reconsider our options, albeit, we definitely rolled around in our decision for a while – cost vs. actual safety. Was the other one “good enough”? We decided…No. Not for now. So, we invested…

WHY WE SWITCHED TO THIS: On all counts, this seat is simply far superior. More comfortable, LATCH’d to seat so it’s always flat/straight forward, good seat belt positioning, center “buckle” (watch the Britax video) keeps child from sliding all around, but especially keeps child from sliding under seat belt during hard stops or an accident, love the cup holders (also handy for keeping snacks close), looks cool, so he loves it. I was worried he would be frustrated to leave his loosy-goosy high-back booster, but he’s been thrilled. I think he feels more secure and comfortable in it. (Who likes sliding around all the time?) Britax really is superior. I hate the price tag (let me be honest), but wish I would have just started with them from the beginning (perhaps after the infant carrier stage). We have a hand-me-down Roundabout which we are still using as an extra carseat for our younger child – and LOVE it. Their LATCH system – way better, and you can absolutely tell – way more sturdy, comfy car seats. Good luck with your search! (it should be over now! :) )” – MamaBearJen




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