1. Introduction
This manual provides comprehensive instructions for the Migo One i-Size Isofix 360° Swivel Car Seat. Designed for children from birth up to approximately 12 years (40-150 cm), this car seat offers advanced safety features, including i-Size R129 compliance, Isofix installation, and side impact protection. Key features include a 360° swivel function for easy child placement, multiple recline positions, a removable comfort pillow, and a newborn insert. The harness automatically adjusts with the headrest for optimal fit and safety.
Please read this manual carefully before installation and use to ensure the safety and comfort of your child.
2. Safety Information
Your child's safety is paramount. Adhere to all safety guidelines provided in this manual.
- i-Size R129 Compliance: This car seat is approved according to the latest European i-Size R129 standard, ensuring high safety performance.
- Rear-Facing Use: The car seat must be used in a rear-facing position for children from 40 cm up to 105 cm (approximately 4 years old or up to 18 kg). Rear-facing is the safest position for infants and toddlers.
- Forward-Facing Use: The car seat can be used in a forward-facing position for children from 76 cm up to 150 cm (approximately 15 months to 12 years).
- Isofix Installation: Always use the Isofix connectors and Top Tether for secure installation, minimizing installation errors.
- 5-Point Harness: Ensure the 5-point harness is correctly adjusted and snug against your child's body. The harness should be used until the child reaches 105 cm.
- Side Impact Protection: The seat is equipped with lateral protection to absorb energy in case of a side collision.
- Headrest Adjustment: The headrest must always be adjusted to the correct height, ensuring the harness straps are at or slightly below the child's shoulders when rear-facing, and at or slightly above when forward-facing.
- Vehicle Compatibility: This i-Size car seat is designed for use in i-Size approved vehicles. Consult your vehicle's owner manual for i-Size seating positions.
- Never leave your child unattended in the car seat.
- Do not modify the car seat in any way.
3. Product Components
Familiarize yourself with the main components of your Migo One i-Size car seat.

- Car Seat Shell: The main structure of the seat.
- Base with Isofix Connectors: Integrated base for secure installation using Isofix anchor points in your vehicle.
- Top Tether Strap: An additional anchor point for enhanced stability and safety.
- Headrest: Adjustable in height to accommodate your child's growth.
- 5-Point Harness System: Secures your child in the seat.
- Newborn Insert: Removable cushion for infants (40-60 cm) to provide optimal support and comfort.
- Comfort Cushions: Removable padding for enhanced comfort.
- Recline Adjustment Lever: Allows for multiple recline positions.
- Swivel Mechanism: Enables 360° rotation of the seat.
4. Setup and Installation
Proper installation is crucial for your child's safety. Follow these steps carefully.
4.1 Isofix and Top Tether Installation
- Locate Isofix Anchor Points: Identify the Isofix anchor points in your vehicle. These are usually located between the seat back and seat cushion.
- Extend Isofix Connectors: Press the Isofix release buttons on the car seat base and extend the Isofix connectors.
- Attach Isofix Connectors: Push the Isofix connectors onto the vehicle's anchor points until you hear a "click" and the indicators turn green.
- Push Seat Firmly: Push the car seat firmly against the vehicle's seat back to ensure a tight fit.
- Attach Top Tether: Locate the Top Tether anchor point in your vehicle (usually on the back of the seat, parcel shelf, or boot floor). Pull the Top Tether strap from the car seat and attach the hook to the vehicle's anchor point.
- Tighten Top Tether: Pull the Top Tether strap firmly to remove any slack until the indicator on the strap turns green (if applicable).
- Verify Installation: Gently pull on the car seat to ensure it is securely installed and does not move excessively. Check all indicators are green.

4.2 Newborn Insert (40-60 cm)
For newborns and infants (40-60 cm), use the removable newborn insert to provide optimal support and a flatter lying position. Remove the insert when your child outgrows it, typically around 60 cm.
5. Operating Instructions
Learn how to use the various functions of your car seat for daily convenience and safety.
5.1 360° Swivel Function
The 360° swivel function allows you to rotate the seat towards the car door for easy placement and removal of your child. This function is primarily designed for rear-facing use (up to 105 cm).
- Ensure the car seat is not reclined to its maximum position.
- Locate the swivel release lever (usually at the front of the base).
- Press the lever and rotate the seat to the desired position.
- Release the lever and ensure the seat locks securely into place before driving.

5.2 Headrest and Harness Adjustment
The headrest and harness adjust simultaneously to ensure a perfect fit as your child grows.
- Locate the headrest adjustment lever (usually at the top back of the headrest).
- Squeeze the lever and move the headrest up or down to the correct height.
- For rear-facing, the harness straps should be at or slightly below your child's shoulders.
- For forward-facing, the harness straps should be at or slightly above your child's shoulders.
- Release the lever to lock the headrest in position.

5.3 Recline Positions
The car seat offers multiple recline positions for your child's comfort, especially during naps or long journeys.
- Locate the recline adjustment lever (usually at the front or side of the seat base).
- Press the lever and adjust the seat to the desired recline angle.
- Ensure the seat locks securely into the chosen recline position.

5.4 Securing Your Child with the 5-Point Harness
Always ensure your child is securely fastened in the harness.
- Place your child in the seat.
- Bring the two buckle tongues together and insert them into the buckle until you hear a "click".
- Pull the harness adjustment strap (usually located at the front of the seat) to tighten the harness until it is snug against your child's body. You should not be able to pinch any slack in the harness straps at the shoulder.
- To loosen the harness, press the harness release button (usually under a flap at the front of the seat) and pull the shoulder straps forward.

6. Maintenance
Regular cleaning and maintenance will prolong the life of your car seat.
- Cleaning the Fabric Covers: The fabric covers are removable and can be hand-washed or machine-washed on a delicate cycle with mild detergent. Refer to the care label on the cover for specific instructions. Do not tumble dry.
- Cleaning the Plastic Parts: Wipe plastic parts with a damp cloth and mild soap. Do not use abrasive cleaners or solvents.
- Harness System: Inspect the harness straps regularly for any signs of wear or damage. Clean with a damp cloth. Do not lubricate the buckle.
- Storage: When not in use, store the car seat in a cool, dry place away from direct sunlight.
7. Troubleshooting
If you encounter any issues with your Migo One i-Size car seat, refer to the following common solutions.
- Car seat feels loose after installation:
- Ensure Isofix connectors are fully engaged (green indicators visible).
- Push the car seat firmly against the vehicle seat back.
- Tighten the Top Tether strap until all slack is removed and its indicator is green.
- Verify that the vehicle seat belt (if used for older children) is routed correctly and tightly fastened.
- Harness is difficult to tighten or loosen:
- Check for any twists in the harness straps.
- Ensure no fabric is obstructing the harness adjustment mechanism.
- Press the harness release button fully when loosening.
- Pull the harness adjustment strap straight out, not at an angle, when tightening.
- Swivel function is stiff or not working:
- Ensure the seat is not reclined to its maximum position, which might prevent rotation.
- Check for any obstructions under the seat or around the base.
- Ensure the swivel release lever is fully engaged when attempting to rotate.
- Child seems uncomfortable:
- Adjust the headrest and harness to the correct height for your child.
- Ensure the newborn insert is used for infants and removed when they outgrow it.
- Adjust the recline position for optimal comfort.
- Check that clothing is not bunched up under the harness.
If the problem persists, please contact Migo customer support or refer to the manufacturer's website for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 260830 |
| Brand | Migo |
| Child Height Range | 40 - 150 cm |
| Approximate Age Range | Birth to 12 years |
| Maximum Supported Weight | 36 Kilograms |
| Maximum Rear-Facing Weight | 18 Kilograms |
| Harness Type | 5-point harness |
| Installation Type | Isofix + Top Tether (for harness use), Vehicle Seat Belt (for booster mode 100-150cm) |
| Swivel Function | 360° (primarily for rear-facing child placement) |
| Material | Plastic (main structure) |
| Dimensions (L x W x H) | 48.01 x 45.01 x 59.99 cm |
| Item Weight | 10 Kilograms |
| Safety Standard | i-Size R129 |
9. Warranty and Support
For warranty information, product registration, or customer support, please refer to the official Migo website or contact your retailer. Keep your proof of purchase for warranty claims.
Manufacturer: TEAM TEX