Convertible Seat – Britax Advocate 65 CS Click and Safe Convertible Car Seat, Onyx

Convertible Seat
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Features: Tangle free, five-point harness with infinite harness heights for a snug a secure fit Harness Ultra Guard System (HUGS) which reduces forward head movement in the event of impact and cushions the chest Patented Versa-Tether introduces a staged-release tether webbing that anchors the top of the child seat at two points to minimize forward movement in a crash Energy absorbing base is designed to deform in the event of a crash to absorb imapct forces Rear and forward facing recline for child comfort and positioning High density comfort foam provides an extra layer of padding to gently cushion your child Plush, premier cover set with matching belly pad provides extra comfort Quick-adjust head restraint and no re-thread harness easily adjust the harness shoulder height and head restraint without disassembling the harness LATCH with premium push-button lower connectors for a quick, simple and tight installation Built-in lock-offs secure the vehicle seatbelt so that the child seat does not move more than one inch side-to-side or front-to-back at the belt path Front harness adjuster provides effortless front adjustment when loosening the harness system Small contoured base ensures a tight installation in all types of vehicle seats Covnenient belt holders keep harness straps out of the way while placing child in the car seat Side Impact Cushion Technology: reduces side impact crash forces by 50%, by diverting crash forces away from the child True Side Impact Protection8482;: distributes crash forces, shields from vehicle intrusion, contains the head and body, and minimizes side to side head movement Click Safe8482; harness adjuster: 8220;clicks8221; when the harness straps are snug as an audible aide to help determine when the harness is snugly secure Specifications: Rear facing from 5 lDesigned to keep your child safe, secure, and comfortable in the car, the Britax Advocate CS Convertible Car Seat (Onyx) provides the advanced protection of Side Impact Cushion Technology. This seat fits children in the rear-facing position from 5 to 35 pounds and children in the forward-facing position starting at one year old and 20 pounds, up to 65 pounds.

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The Advocate CS
Convertible Car Seat
At a Glance:
  • Age/Weight/Height Requirements:
    In rear-facing position, fits children weighing 5 – 35 pounds; in forward-facing position, fits children 1+ years old weighing 20 – 65 pounds
  • Warranty:
    6-year product life; 1-year limited warranty
  • Certifications:
    Certified for aircraft travel in harness mode only

Ideal for:
  • Who:
    Parents and caregivers
  • What:
    Superior Side Impact Protection and keeping children safe and comfortable in the car
  • Where:
    Car, minivan, and SUV
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Advocate CS Convertible Car Seat

Comfortable design provides side-impact protection and minimizes movement.
View larger.
Click & Safe snug harness

Click & Safe snug harness indicator provides an audible sound to indicate when the harness is safely snug. View larger.

Britax Advocate CS Convertible Car Seat (Onyx)Side Impact Cushion Technology for Advanced Side Impact Security
The Advocate CS Convertible Car Seat is ideal for parents concerned with providing proper safety and posture-support for their children during car rides. Utilizing Side Impact Cushion Technology, this car seat reduces the incoming side impact crash energy by 50%, providing superior protection if you happen to face an unexpected side-impact accident.

If such an event takes place, the side impact cushions are designed to compress to transfer crash energy away from the seat before reaching your child. The Advocate CS then uses True Side Impact Protection to keep the head, neck, and spine properly aligned to limit injury during impact.

Superior 360-Degree Protection to Minimize the Risk of Injury
In addition to its superior side impact protection, the Advocate CS offers a variety of features to better absorb energy and minimize movement. First, the patented, energy-absorbing Versa-Tether has staged-release tether webbing, anchoring the top of the seat at two points to minimize forward movement. For growing babies, the easy adjust, tangle-free five-point harness offers infinite harness height adjustments for a snug, custom fit.

For additional protection, the Harness Ultra Guard System (HUGS) reduces forward head movement, while both the EPS foam liner and base are designed to absorb crash forces.

Click & Safe Technology for the Safest Fit
When it comes to your child’s safety in the car, it’s vital that they are properly secured. To keep things simple, the Advocate CS assists in the process of securing your child with the Click & Safe snug harness indicator feature, which provides an audible sound when tightening the harness to indicate when it is in the range of appropriate snugness.

Superior Fit and Comfort Features
The Advocate CS offers a higher forward-facing weight capacity that allows children weighing up to 65 pounds to remain harnessed and protected in the car well into the toddler and preschool years. And whether children are watching the world go by or snuggling in for a nap, they’ll enjoy that the seat reclines in both the forward and rear position. Additional features include high-density comfort foam, a plush cover set, and body pillow for positioning, they’ll always ride in style and comfort.

Superior Ease-of-Use for Safety and Convenience
Adjustments are equally effortless with the easy-turn knob that changes the headrest and harness height without requiring you to uninstall the seat, and a front harness adjuster allows for easy loosening of the harness. Premium, push-button lower LATCH connectors offer a quick, simple, and tight installation, while built-in lock-offs secure the vehicle seat belt so that the car seat does not move more than one inch side-to-side or front-to-back at the belt path.

To best suit your lifestyle, the Advocate CS Convertible Car Seat is available in the following patterns: Onyx, Kathryn, Opus Gray, Opus Tan, and Moonstone.

The Britax Advocate CS Convertible Car Seat is backed by a one-year limited warranty.

What’s in the Box
One Britax Advocate CS Convertible Car Seat and manual.



Advocate CS Convertible Car Seat


  • Convertible, rear facing five to 35 pounds and forward facing from at least one year old and 20 pounds up to 65 pounds
  • The quick-adjust head restraint and no re-thread harness allows for easy adjustment of the harness
  • True side impact protection distributes crash forces, shields from vehicle intrusion
  • Side impact protection and click and Safe snug harness indicator
  • It’s small contoured base ensures a tight installation in all types of vehicle seats

Britax Advocate 65 CS Click and Safe Convertible Car Seat, Onyx

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