1. Product Overview
The Osann Swift360 S i-Size is a state-of-the-art rotating car seat designed to provide maximum safety and comfort for your child. Conforming to the latest i-Size R129 safety standard, this seat is suitable for children from 76 cm to 150 cm in height.
Key features include:
- i-Size R129 Compliance: Meets the latest European safety standards for enhanced protection.
- Extended Rear-Facing: Can be used rear-facing from 76 cm to 105 cm, offering superior safety for younger children.
- Forward-Facing: Suitable for forward-facing use from 76 cm to 150 cm.
- 360-Degree Rotation: Allows for easy child placement and removal from either side of the vehicle.
- Magnetic Buckle Holders: Conveniently holds harness straps out of the way when seating your child.
- Adjustable Headrest: Features a 12-position height-adjustable headrest that grows with your child.
- 5-Point Harness System: Automatically adjusts with the headrest for a perfect fit up to 105 cm.
- 5 Recline Positions: Provides optimal comfort for sleeping or awake positions.
- Isofix and Top-Tether Installation: Ensures secure and stable installation in your vehicle.
2. Safety Information
Always prioritize your child's safety by following these guidelines:
- Read the entire instruction manual before installation and use.
- Ensure the car seat is correctly installed and secured in your vehicle according to the instructions.
- Always use the 5-point harness system for children up to 105 cm (approximately 18 kg).
- For children between 100 cm and 150 cm, secure the child using the vehicle's 3-point seat belt, ensuring the car seat's 5-point harness is stowed away.
- Never leave your child unattended in the car seat.
- Do not use the car seat if it has been involved in an accident, even if there is no visible damage.
- Ensure the headrest and harness are adjusted correctly to your child's height.
3. Setup and Installation
3.1 Isofix and Top-Tether Installation
The Swift360 S i-Size car seat is designed for secure installation using your vehicle's Isofix anchor points and a Top-Tether strap.
- Prepare the Seat: Extend the Isofix connectors from the base of the car seat.
- Locate Isofix Anchors: Find the Isofix anchor points in your vehicle's back seat. These are usually marked with an Isofix symbol.
- Attach Isofix Connectors: Push the Isofix connectors firmly onto the vehicle's anchor points until you hear a click and the indicators turn green (if applicable).
- Secure Top-Tether: Route the Top-Tether strap over the back of the vehicle seat and attach it to the designated Top-Tether anchor point in your car. Pull the strap tight to remove any slack.
- Check Stability: Give the car seat a firm tug to ensure it is securely installed and does not move excessively.

Image: Secure installation using Isofix and Top-Tether points.
3.2 Child Placement and Harnessing
- Rotate Seat: Press the rotation release button (if applicable) and rotate the car seat towards the car door for easy access.
- Prepare Harness: Use the magnetic buckle holders to keep the harness straps out of the way.
- Place Child: Gently place your child into the car seat.
- Secure Harness: Bring the harness straps over your child's shoulders and buckle them securely. Ensure the harness is snug but not too tight, allowing one finger to fit between the strap and your child's collarbone.
- Adjust Headrest and Harness: Adjust the headrest height so that the shoulder straps are at or just below your child's shoulders when rear-facing, and at or just above their shoulders when forward-facing. The harness system automatically adjusts with the headrest.

Image: Detail of the magnetic buckle holder for convenient harnessing.
4. Operating Instructions
4.1 360-Degree Rotation
The car seat can be rotated 360 degrees for ease of use. To rotate, locate the rotation release lever or button (usually at the front of the base). Press or pull the lever and turn the seat to the desired position. Ensure the seat locks securely into place before driving.

Image: The Osann Swift360 S i-Size car seat demonstrating its 360-degree rotation capability.
4.2 Recline Positions
The Swift360 S i-Size offers 5 recline positions for your child's comfort. To adjust the recline, locate the recline adjustment handle (typically at the front or side of the seat base). Pull the handle and tilt the seat to one of the 5 positions. Release the handle to lock the seat in place.

Image: The car seat illustrating its 5 adjustable sitting and resting positions.
4.3 Headrest and Harness Adjustment
The headrest can be adjusted to 12 different height positions to accommodate your growing child. The 5-point harness system automatically adjusts with the headrest, ensuring a proper fit at all times. To adjust, locate the headrest adjustment lever (usually at the top of the headrest or behind the seat). Squeeze the lever and slide the headrest up or down to the desired height. Release the lever to lock it in place.

Image: Comparison showing the 12-position height-adjustable headrest.
4.4 Transitioning to 3-Point Vehicle Belt (100-150 cm)
Once your child reaches 100 cm in height, the 5-point harness system should be stowed away, and your child secured using the vehicle's 3-point seat belt. Refer to the detailed instructions in the full manual for proper harness removal and storage. Ensure the vehicle's seat belt is correctly routed through the designated guides on the car seat and buckled securely.

Image: Visual guide for height ranges: rear-facing (76-105 cm), forward-facing (76-105 cm), and forward-facing (100-150 cm).
5. Maintenance and Care
Proper maintenance ensures the longevity and safety of your car seat.
- Cleaning Fabric Covers: The seat cover is made of 100% polyester. It can typically be removed for cleaning. Refer to the care label on the cover for specific washing instructions (e.g., machine wash cold, gentle cycle, air dry). Do not use bleach.
- Cleaning Hard Parts: Wipe plastic and metal parts with a damp cloth and mild soap. Do not use abrasive cleaners or solvents.
- Harness Care: Inspect the harness straps regularly for wear and tear. Clean with a damp cloth and mild soap. Do not machine wash or immerse harness straps in water, as this can weaken the webbing.
- Storage: When not in use, store the car seat in a cool, dry place away from direct sunlight.
6. Troubleshooting
If you encounter any issues with your Osann Swift360 S i-Size car seat, please refer to the following common problems and solutions:
- Seat Not Rotating: Ensure the rotation release lever is fully engaged and the seat is not obstructed. Check that the seat is not under tension from the vehicle's seat belt if it's installed with the belt.
- Isofix Indicators Not Green: Make sure the Isofix connectors are fully pushed onto the vehicle's anchor points until they click into place. Wiggle the seat to ensure a secure connection.
- Harness Difficult to Tighten/Loosen: Check for any twists in the harness straps. Ensure no fabric or clothing is obstructing the harness adjuster mechanism.
- Headrest Not Adjusting: Ensure the adjustment lever is fully squeezed. Check for any obstructions preventing movement.
- Seat Feels Loose After Installation: Re-check all installation steps, ensuring Isofix connectors are fully engaged and the Top-Tether is tightened correctly. Push down firmly on the seat while tightening.
If the issue persists, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Osann |
| Model | Swift360 S i-Size |
| Gender | Unisex |
| Minimum Recommended Weight | 9 Kilograms |
| Maximum Supported Weight | 36 Kilograms |
| Minimum Recommended Height | 76 Centimeters |
| Maximum Recommended Height | 150 Centimeters |
| Main Material | Plastic |
| Cover Composition | 100% Polyester |
| Special Features | Isofix (car seat) |
| Number of Recline Positions | 5 |
| Batteries Required | No |
| Orientation | Convertible (Rear-facing & Forward-facing) |
| Maximum Child Weight Rear-Facing | 18 Kilograms |
| Harness Type | 5-point |
| Seat Length | 50.00 cm |
| Seat Width | 44.00 cm |
| Manufacturer | Osann GmbH |
| Product Dimensions (L x W x H) | 50 x 45 x 60 cm |
| Item Weight | 12 Kilograms |
| Installation Type | Latch (Isofix) |
| Color | All Black i-Size |
| Number of Headrest Height Positions | 12 |
8. Warranty and Support
Warranty Information: Specific warranty terms and conditions for the Osann Swift360 S i-Size car seat may vary by region and retailer. Please retain your proof of purchase and refer to the warranty documentation provided with your product or visit the official Osann website for detailed warranty information.
Customer Support: For any questions, technical assistance, or support regarding your Osann Swift360 S i-Size car seat, please contact the retailer where you purchased the product or visit the official Osann website for contact details and support resources.