Evenflo Big Kid Sport Booster Car Seat Introduction

The Evenflo Big Kid Sport Booster Car Seat is designed to provide safety and comfort for children transitioning from a harnessed seat to a booster. Suitable for kids weighing between 40 to 100 pounds and up to 57 inches tall, it features a high back for added support and adjustable headrest for growing children. The seat cover is machine-washable, making maintenance easy. The Evenflo Big Kid Sport Booster is priced at approximately $79.99.

Keep instructions for future use.

Child Requirements

18 to 45.3 kg
(40 to 100 lbs)
112 to 145 cm
(44 to 57 in.)

At least 4 years old

Booster Seat Child Requirements

Warning: Failure to follow these Child Requirements could result in serious injury or death. This booster seat is designed for use by children in booster mode only. To use this booster seat properly, children MUST meet the size and age requirements below. Please review any applicable local, state or provincial laws related to child passenger safety before installing and using this booster seat.

With Backrest

18 – 45.3 kg (40 – 100 lbs)
112 – 145 cm (44 – 57 in.) tall AND the tops of child’s ears are below the top of the child restraint.
Child is at least four years old or older

Without Backrest

18 – 45.3 kg (40 – 100 lbs)
112 – 145 cm (44 – 57 in.) tall AND the tops of child’s ears are below top of the vehicle headrest.
Child is at least four years old or older

IMPORTANT: Once your child exceeds any of the size requirements above, you MUST discontinue use of this seat. Your child may be ready for use of the vehicle belt system only at this time.

Specifications

The Evenflo Big Kid Sport Booster Car Seat comes with several key features that enhance its functionality and safety:

Conversion Capability: Easily converts from high-back to backless booster.
Height Adjustment: One-hand height adjustment for easy fitting.
Comfort: Padded headrest and side wings for extra comfort and support.
Portability: Lightweight design makes it easy to move between vehicles.
Easy Installation: Simple installation process with belt guides.
Safety Certifications: Meets or exceeds all applicable federal safety standards.

Booster Seat Features

Front

Shoulder Belt Guide
Seat Pad
Cup Holder*
Base
Adjustment Handle
Instruction Storage Area
Shoulder Belt Clip

Not all features are available on all models. Styles may vary.

Back

Using the Cup Holder

WARNING

DO NOT use the cup holder to store cans, bottles, or hard containers. Only for use with soft cups.
DO NOT place any cups that contain hot liquids in the cup holder.
DO NOT attach additional padding, toys, or other devices to the booster seat. Items not tested with the booster seat could injure the child.

Description

The Evenflo Big Kid Sport Booster Car Seat is engineered with both safety and comfort in mind. The high-back mode provides additional support and protection for younger children, while the backless mode offers more freedom as they grow older. The seat's ergonomic design ensures optimal positioning of the vehicle's seatbelt across the child's body, enhancing overall safety. Additionally, the cushioned headrest and side wings offer superior comfort during long car rides.

The seat also features a unique machine-washable pad that can be easily removed and cleaned, maintaining hygiene and freshness. The overall design is sleek and modern, blending well with most vehicle interiors.

How To Attach

Attaching the Seat Pad to the Base

Push the cup holders through the openings, one at a time.
Pull the seat pad down over the back of the cup holders.
Position seat facing up. Wrap the seat pad around the front of the seat. Make sure the seat pad is straight and positioned correctly on the seat.
Pull the rest of the seat pad down around the back of the seat, and attach to the hooks.

Assembling Backrest

Assemble the backrest. Insert three posts on the headrest into the backrest, as shown. Make certain the headrest locks securely into the backrest.
Note: This is a one-time assembly and may require additional force to connect properly.
Install pull handle. Align tabs on pull handle with the slots on the back of the headrest. Press pull handle against the back of the headrest and slide upward until the tabs lock into place.

Attaching the Backrest Pad

Wrap the backrest pad around the back. Make sure the pad is straight and positioned evenly on the seat.

Pull the headrest pad down over the top of backrest. Attach the headrest pad to the hooks.
Connect elastic loops to hooks on the top of the headrest on both sides.
Connect elastic loops to hooks on the middle of the backrest on both sides.
Pull the pad around the bottom corners and connect elastic loops to hooks.

Assembling Your Booster Seat

Install the backrest. Slide the backrest assembly into the base. Make certain the backrest locks into place.
Check your work. Inspect the booster seat to make sure that the headrest is securely attached to the backrest, the seat pad is hooked into place, and that the backrest assembly is securely locked into the base. Repeat any assembly steps as necessary.

When to Put Your Child in a Booster Seat

Booster seats raise the child up and help to position the vehicle lap and shoulder belt correctly. When the child is properly restrained in a booster seat, their risk of injury in all types of crashes is reduced, as the lap and shoulder belt provides excellent restraint of both the upper and lower torsos.
The child needs to sit properly within the vehicle seat belts. When the vehicle seat belt is buckled, the lap belt should be low on the hips, just touching the thighs, and the shoulder belt should lie across the middle of the shoulder. If the child leans out or moves the belt behind the back or places it under the arm, it will not provide the intended restraint.

There are a number of things to consider when deciding whether the child is ready to sit in a booster seat, including: the weight and height rating on their current child seat, the child’s own weight and height, their maturity, and the seating positions available in your vehicle.
How is a booster seat used?
Using a booster seat is very similar to buckling yourself into the vehicle:

Read the instruction manuals for both the booster seat and the vehicle before you start.
Put the booster in the back seat in a location with a lap and shoulder belt. Never use a booster with only a lap belt, as this could cause serious injuries.
After the child is in the booster, pull the lap and shoulder belt across him/her and buckle it.
Check that the shoulder belt lies across the middle of the shoulder and that the lap belt is low on the hips, just touching the thighs.

How can you tell if your child is ready to transition to a booster seat?
You should consider using a booster seat if the following conditions apply:

The child is mature enough to sit in the booster seat and not put the belts under their arm or behind their back.
The child is approaching the weight or height limit of the child restraint they are currently using. (Even children who have not outgrown their toddler seat can benefit from the use of a booster seat, if it is used properly.)
If you have a vehicle that does not have a tether anchorage but has lap/shoulder belts available in the back seat, a booster seat may provide better protection than an internal harness seat without the tether.

when_to_put_your_child_in_evenflo_big_kid_sport_booster_car_seat_introduction.png

Using Your Booster Seat with the Backrest

Child Requirements

Weight: 18 – 45.3 kg (40 – 100 lbs)
Height: 112 – 145 cm (44 – 57 in.) and tops of the child’s ears are at or below the top of the booster seat headrest.
Age: At least 4 years old

with_the_backrest_evenflo_big_kid_sport_booster_car_seat_introduction.png

IMPORTANT: Once your child exceeds any of the size requirements above, you MUST discontinue use of this seat. Your child may be ready for use of the vehicle belt system only at this time.

Installation Checklist

Place the booster seat on the vehicle seat.
Set the child in the booster seat. Make sure the child’s back and bottom are flat against the back and bottom surfaces of the booster seat.
Adjust the back of the booster, if necessary. Adjust the backrest so the shoulder belt guides are level with the top of the child’s shoulders. This will cause the shoulder belt to properly lay midway between the child’s shoulder and neck (see Adjusting the Backrest, page “Adjusting the Backrest” on page 27).
WARNING: The shoulder belt MUST NOT cross the child’s neck or fall off the child’s shoulder. If you can not adjust the shoulder belt to properly lay midway between the child’s shoulder and neck, try another seating location or do not use the booster seat.
Secure the child and booster seat to the vehicle seat. Stretch the lap/shoulder belt across the child and fasten the buckle. Make certain the shoulder belt is threaded through the shoulder belt guide.
Check your work. Make sure the lap belt is stretched low and snug across the child’s hips, beneath the armrests (both Lap and Shoulder belts), and fastened into the buckle. The shoulder belt must cross the child midway between his/her shoulder and neck.
IMPORTANT
Always secure the booster seat with the vehicle seat belts when not occupied. An unsecured booster seat can fly into and injure other occupants in the event of a crash.

Using Your Booster Seat without the Backrest

Child Requirements

Weight: 18 – 45.3 kg (40 – 100 lbs)
Height: 112 – 145 cm (44 – 57 in.) and tops of the child’s ears are at or below the top of the vehicle seat headrest.
Age: At least 4 years old

without_the_backrest_evenflo_big_kid_sport_booster_car_seat_introduction.png

IMPORTANT: Once your child exceeds any of the size requirements above, you MUST discontinue use of this seat. Your child may be ready for use of the vehicle belt system only at this time.

Installation Checklist

Remove the backrest from the booster seat.
Place the booster seat on the vehicle seat.
Set the child in the booster seat. Make sure the child’s back is flat against the vehicle seat,and the child’s bottom is flat against the booster seat.
Secure the child and booster seat to the vehicle seat. Stretch the lap/shoulder belt across the child and fasten the buckle.
Use the shoulder belt clip, if necessary. If the shoulder belt does not properly lay midway between the child’s shoulder and neck, attach and adjust the belt clip (see Using the Shoulder Belt Clip, page “Using the Shoulder Belt Clip” on page 28).
WARNING: The shoulder belt MUST NOT cross the child’s neck or fall off the child’s shoulder. If you can not adjust the shoulder belt to properly lay midway between the child’s shoulder and neck, try another seating location or do not use the booster seat.
Check your work.
Make sure the lap belt is stretched low and snug across the child’s hips, Make sure the lap belt is stretched low and snug across the child’s hips, beneath the armrests (both Lap and Shoulder belts), and fastened into the buckle. The shoulder belt must cross the child midway between his/her shoulder and neck. and fastened into the buckle. The shoulder belt must cross the child midway between his/her shoulder and neck. Note: If the vehicle’s shoulder belt naturally crosses the child’s shoulder, you do not need to use the shoulder belt clip.
IMPORTANT
Always secure the booster seat with the vehicle seat belts when not occupied. An unsecured booster seat can fly into and injure other occupants in the event of a crash.

Removing the Backrest

Lay the booster seat on its side.
Squeeze the lever on the bottom of the base and remove the backrest from the base.

Adjusting the Backrest

To adjust the backrest, pull and hold the adjustment handle then slide the backrest up or down. The backrest is positioned properly when the bottom of the shoulder belt guides are even with the top of child’s shoulders.

Using the Shoulder Belt Clip

Note: Use the Shoulder Belt Clip only when necessary to position the belt so it lays across the child’s chest midway between his/her shoulder and neck.

Thread the looped end of the shoulder belt clip belt through the anchor point on bottom of the booster.
Thread the shoulder belt clip through the loop at the end of the belt and pull until tight.
Place booster on the vehicle seat and attach the shoulder belt clip to the vehicle shoulder belt.
Pull the adjustment strap until belt clip is even with the child’s shoulder and the vehicle shoulder belt lays across the child’s chest midway between his/her shoulder and neck

Setup Guide

To set up the Evenflo Big Kid Sport Booster Car Seat, follow these steps:

Choose Mode: Decide whether you want to use the high-back or backless mode based on your child's age and size.
Position Seat: Place the booster seat on the vehicle's bench seat, ensuring it is centered and flat.
Adjust Height: Use the one-hand height adjustment mechanism to fit the seat to your child's height.
Install Seatbelt: Guide the vehicle's seatbelt through the appropriate guides on the booster seat to ensure proper positioning across your child's body.
Test Fit: Ensure the seatbelt lies snugly across your child’s chest, with the lap belt positioned correctly across their thighs.

Airbag Warning

DO NOT use this restraint in the front seat of a vehicle equipped with an air bag. Air bags may cause serious injury or death to children 12 and under. If your vehicle has an air bag, refer to your vehicle owner’s manual for booster seat installation.
If the rear seat of your vehicle is equipped with side air bags, refer to the following information for proper usage:
Vehicles built prior to the 2002 model year:
DO NOT use this restraint in a vehicle seating position equipped with a side air bag unless authorized by the vehicle manufacturer.
Model year 2002 and newer vehicles:
Refer to your vehicle owner’s manual before placing this restraint in a seating position equipped with a side air bag.
DO NOT place any objects between the restraint and the side air bag, as an expanding air bag may cause the items to strike your child.

The forward-facing rear seat is the safest place for children 12 and under.

airbag_warning_evenflo_big_kid_sport_booster_car_seat_introduction.png

General Warnings

Failure to follow the Child Requirements for use of this booster seat could result in serious injury or death.
Failure to follow each of the following instructions can result in your child striking the vehicle’s interior during a sudden stop or crash, potentially resulting in serious injury or death. These instructions and the instructions in your vehicle owner’s manual must be followed carefully. If there is a conflict between the two, the vehicle owner’s manual regarding booster seat installation must be followed.
NEVER leave child unattended.
In addition to the height and weight requirements, your child must be at least four years old to use this booster seat.
NEVER use booster seat without the seat pad.

Location Warnings

According to statistics, children are safer when properly restrained in a rear seating position than in the front seating position. Children 12 and under should ride in the back seat of the vehicle.
Use this booster seat only on forward facing vehicle seats. DO NOT use this booster seat with vehicle seats which face the rear or side of the vehicle.
Use this booster seat only on vehicle seats with backs that lock into place.
Some booster seats do not fit in all vehicles. If the booster seat cannot be properly installed, DO NOT use the booster sea.

Booster Seat Position Warnings

DO NOT use this booster seat rear-facing.
When using this booster seat, the headrest on the vehicle seat that the child faces should be put in its lowest position. The vehicle seat back that the child faces must be fully padded and free of any hard objects.

Seat Belt Warnings

DO NOT use this booster seat in a vehicle with door-mounted seat belts.
DO NOT use this booster seat in a vehicle with seat belts that automatically move along the vehicle frame when the door is opened. These seat belts will not hold a booster seat properly.
When using this booster seat, NEVER use a lap belt only. You MUST use vehicle seat belts that have a lap/ shoulder combination.
DO NOT use this booster seat if the child’s ears are above the back of the booster seat.
Failure to adjust the seat belts snugly around your child may result in your child striking the vehicle’s interior during a sudden stop or crash. Serious injury or death may occur.
DO NOT use this booster seat if it is damaged or has broken or missing parts.

Additional Warnings

DO NOT use this booster seat if it has been involved in an accident. It must be replaced.
This booster seat must be securely belted to the vehicle at all times. An unsecured booster seat may injure someone if a crash occurs.
DO NOT attach additional padding, toys, or other devices not made by Evenflo to the booster seat. Items not tested with the booster seat could injure the child.
In hot, sunny weather cover the seat with a light colored blanket when you leave the vehicle. Always check the seat for hot surfaces before putting a child into the seat.

Safe Practices

Everyone rides buckled up or the vehicle does not go. Make no exceptions for adults or children. If someone unbuckles, stop the vehicle. Being firm and consistent from the start will mean fewer discipline problems as children get older. An unrestrained person can be thrown into and injure other passengers.
NEVER try to tend to a crying child’s needs while driving. Never take a child out of a booster seat for comforting while the vehicle is moving.
DO NOT allow a child to have objects such as lollipops or ice cream on a stick. These objects can injure the child if the vehicle swerves or hits a bump.
Put sharp or heavy items in the trunk. Anything loose can be deadly in a crash.
Leather (not available on all models) can become very hot in direct sunlight. Cover your booster seat with a blanket in warm weather.
In cold weather a child may need an extra blanket for warmth. Put the child in the booster seat and cover both the child and the booster seat with a blanket.

Care and Cleaning

Plastic parts may be wiped clean with mild soap and water and dried with a soft cloth. Do not use abrasive cleaners or solvents.
Take care not to damage any labels.
The seat pad (except for leather seat pads—not available on all models) can be machine washed separately in cold water, delicate cycle, tumble dry 10 – 15 minutes on low heat.
NEVER use booster seat without the seat pad.

TIP: To help protect the vehicle upholstery, place a towel beneath and behind the booster seat.

Replacement Parts

Not available on all models. Styles may vary. You can order replacement parts on-line at https://www.evenflo.com or contact Evenflo. When you contact us, please have the product model number and date of manufacture (found on the bottom of the booster seat).

Proper Disposal of this Child Restraint

When this child restraint reaches the expiration date found on the date of manufacture label, Evenflo encourages you to dispose of it properly. Most components of this child restraint are recyclable.

Remove all fabric and padding.
Remove all screws and disassemble the restraint.
Recycle all fabric, padding, plastic, foam and metal parts, if accepted by your local recycling center. Responsibly discard the rest.

If your local recycling center won’t accept the padding, you may dispose of it in the landfill.
To prevent injury due to hidden damage, lost instructions, outdated technology, etc., discontinue use of this restraint after the expiration date on the label or if it has been involved in a crash.

Storing Your Instructions

Troubleshooting

Common issues and solutions for the Evenflo Big Kid Sport Booster Car Seat include:

Improper Installation: If the seatbelt does not fit correctly, reposition the booster seat and adjust the height setting.
Missing Parts: Check the packaging for all included parts. If any are missing, contact Evenflo customer service.
Cleaning Issues: For stubborn stains, use a mild detergent and avoid machine drying to prevent damage to the fabric.

Always refer to the user manual for detailed instructions and troubleshooting tips. Regularly inspect the seat for any signs of wear or damage.

Warranty

For a period of 90 days from the original purchase of this Product, Evenflo warrants to the original end user (“Purchaser”) this Product (including any accessories) against defects in material or workmanship. Evenflo’s sole obligation under this express limited warranty shall be, at Evenflo’s option, to repair or replace any Product that is determined to be defective by Evenflo and determined to be covered by this warranty.

Pros & Cons

Pros

Convertible Design: Easily switches between high-back and backless modes.
Comfortable: Padded headrest and side wings enhance comfort during long rides.
Ease of Use: Simple installation process with clear instructions.
Affordable: Priced competitively compared to other booster seats on the market.
Lightweight: Easy to move between vehicles.

Cons

Limited Adjustability: Some users find the height adjustment mechanism somewhat restrictive.
Material Quality: Some parents have noted that the fabric could be more durable.
No Cup Holder: Unlike some other models, this seat does not come with built-in cup holders.

Customer Reviews

Customer reviews generally praise the Evenflo Big Kid Sport Booster Car Seat for its ease of use, comfort, and value for money. Many parents appreciate its convertible design, which allows it to grow with their child. However, some users have noted minor drawbacks such as limited adjustability and lack of built-in cup holders.

Common complaints include issues with cleaning the fabric and occasional difficulties with proper seatbelt positioning. Despite these minor issues, overall satisfaction remains high among parents who have chosen this booster seat for their children.

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