Evenflo CS300212380
Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat User Manual
Model: CS300212380
1. Introduction
Thank you for choosing the Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat. This manual provides essential information for the proper installation, use, and maintenance of your car seat, ensuring the safety and comfort of your child. Please read all instructions carefully before use and keep this manual for future reference.

Figure 1: Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat (Augusta Pink)
2. Safety Information
Your Evenflo EveryFit/All4One car seat is designed with your child's safety as the top priority. It meets or exceeds all applicable Federal Safety Standards. The seat has been structurally integrity tested at energy levels approximately 2X the federal frontal crash test standard, and it is side-impact tested, rollover tested, and temperature tested.
WARNING: Always follow all instructions and warnings provided in this manual and on the car seat labels. Improper use can lead to serious injury or death.
3. Setup and Installation
3.1 Car Seat Modes
- Rear-Facing with Harness: For children weighing 4 - 40 lb.
- Forward-Facing with Harness: For children weighing 22 - 65 lb, at least 2 years old.
- High-Back Booster: For children weighing 40 - 120 lb, at least 4 years old.
3.2 Installation Methods
The car seat can be installed using either the vehicle's LATCH system or the vehicle's seat belt. The Quick Connector LATCH and belt guides are designed for easy and tight installation.

Figure 2: Car seat recline positions for optimal fit.
3.3 Recline Positions
The car seat features 12 reclining positions to ensure proper angle and comfort for your child in both rear-facing and forward-facing modes. Adjust the recline based on your child's weight and the vehicle's seat angle indicators.
4. Operating Instructions
4.1 Harness and Headrest Adjustment
The one-hand, 12-position headrest and easy-to-slide no-rethread harness straps allow for quick and proper fit adjustments as your child grows, without the need to uninstall the car seat.

Figure 3: Adjusting the headrest and harness for a proper fit.
4.2 Convenience Features
- Integrated Cup Holders: Dual integrated cup holders are provided for drinks.
- Removable Snack Tray: A removable snack tray can be inserted into the cup holders to keep snacks within your child's reach.

Figure 4: Removable cup holder and optional snack tray.
5. Maintenance and Cleaning
Keeping your car seat clean is essential for hygiene and longevity. All fabrics are machine-washable for easy cleaning.
5.1 Fabric Care
- Machine wash the seat pad separately in cold water, delicate cycle.
- Tumble dry for 10 to 15 minutes on low heat.
- Do not lubricate or immerse in water any part of this child restraint, unless rinsing is permitted.
5.2 Hard Parts Cleaning
- Plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth.
- The harness can be wiped clean with mild soap and water. Allow harness to air dry.

Figure 5: Removable cushions for easy cleaning.
6. Troubleshooting
If you encounter any issues with your Evenflo EveryFit/All4One car seat, please refer to the following common troubleshooting tips:
- Harness Difficulty: If the harness is difficult to tighten or loosen, ensure no fabric or debris is obstructing the harness path or the adjustment mechanism. Check the harness straps for twists.
- Loose Installation: Ensure the LATCH connectors or seat belt are properly routed and tightened according to the installation instructions for your chosen mode. Apply firm pressure to the car seat while tightening to remove slack.
- Child Discomfort: Verify that the headrest and harness are adjusted to the correct height for your child's shoulders. Ensure all removable cushions are correctly positioned for their size and stage.
For further assistance, please contact Evenflo Customer Service.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 22.25 x 19 x 32.5 inches |
| Item Model Number | CS300212380 |
| Minimum Weight Recommendation | 4 Pounds |
| Maximum Weight Recommendation | 120 Pounds |
| Minimum Height Recommendation | 17 Inches |
| Maximum Height Recommendation | 57 Inches |
| Material Type | Polyester |
| Material Composition | 90% Plastic, 8% Metal, 2% Polyester |
| Number of Reclining Positions | 12 |
| Harness Type | 5-Point |
| Item Weight | 19 pounds |
| Country/Region of Origin | USA |

Figure 6: Product dimensions.
8. Warranty and Support
Evenflo products are designed for durability and longevity. While specific warranty details are not provided in this manual, Evenflo offers protection plans for extended coverage. For any product support, warranty claims, or inquiries, please contact Evenflo Customer Service directly.
You can visit the official Evenflo website or refer to the contact information provided with your product packaging for the most up-to-date support details.
Families have trusted Evenflo for more than 100 years for smart, innovative gear designed to make life easier, safer, and more comfortable at home and on the go.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







