1. Introduction
Thank you for choosing the Nania START I FIX i-Size car seat booster. This manual provides essential information for the correct installation, use, and maintenance of your car seat. Please read these instructions carefully before use and keep them in a safe place for future reference. This car seat is designed for children with a height between 106 cm and 140 cm (approximately 5 to 10 years old) and is approved according to the R129 i-Size standard.
2. Consignes de sécurité
- Always ensure the car seat is correctly installed and secured in the vehicle before placing a child in it.
- The child must always be secured with the vehicle's 3-point seat belt.
- This car seat is designed for forward-facing use only.
- Ne laissez jamais un enfant sans surveillance dans son siège auto.
- N’utilisez pas le siège auto s’il a été impliqué dans un accident, même en l’absence de dommages visibles. Des dommages internes peuvent compromettre sa sécurité.
- Regularly check all parts for wear or damage. Replace immediately if any damage is found.
- Ensure the vehicle's seat belt is not twisted and is correctly routed through all designated guides.
3. Produit terminéview et fonctionnalités
The Nania START I FIX car seat booster offers enhanced safety and comfort for your child. Key features include:
- i-Size R129 Approval: Complies with the latest European safety standards.
- Isofix Fixations: Provides a secure and stable connection to your vehicle's Isofix anchor points.
- Appui-tête réglable : The headrest can be adjusted in height to accommodate your child's growth, featuring memory foam for added comfort.
- Reclinable Base: Allows for a single recline position for increased comfort during travel.
- Protections latérales : Integrated side impact protection for enhanced safety.
- Sièges confortables : Designed with comfortable seat and cushion padding.
- Housse amovible et lavable : The fabric cover can be removed and washed by hand at 30°C for easy maintenance.

Figure 3.1 : Face avant view of the Nania START I FIX car seat booster.

Figure 3.2 : Angulaire view of the Nania START I FIX car seat booster.

Figure 3.3 : Côté view of the Nania START I FIX car seat booster.
4. Installation et configuration
4.1. Réglage de l'appui-tête
The headrest can be adjusted to ensure optimal comfort and safety for your child. To adjust, locate the adjustment mechanism (usually a lever or button) at the back or top of the headrest. Press the mechanism and slide the headrest up or down until it is at the correct height, ensuring the shoulder belt guide is just above your child's shoulders.

Figure 4.1: Adjusting the headrest height.
4.2. Reclining the Base
The car seat features a reclinable base for a more comfortable position. To recline, locate the red lever or button at the front underside of the seat base. Press or pull this mechanism and gently tilt the seat to the desired recline position. Ensure it locks securely into place.

Figure 4.2: Reclining the seat base.
4.3. Installation Isofix
The START I FIX car seat is installed using the vehicle's Isofix anchor points. This provides a rigid and secure connection.
- Extend the Isofix connectors from the car seat base by pressing the release button (often red) and pulling them out.
- Align the Isofix connectors with the Isofix anchor points in your vehicle's back seat. Push the car seat firmly until the connectors click into place. Green indicators should appear, confirming a secure connection.
- Poussez fermement le siège auto contre le dossier du siège du véhicule pour éliminer tout jeu.

Figure 4.3: Extending the Isofix bars for installation.
4.4. Video Guide: Installation and Features
Video 4.1: This video demonstrates the features and installation process of the Nania START I FIX car seat. It shows the comfortable seat, washable cover, adjustable headrest with memory foam, side protection, reclinable base, and Isofix installation. Please note that for this specific model (106-140 cm), the child is secured using the vehicle's 3-point seat belt, as shown from 1:08 in the video. Any depiction of a 5-point harness or top tether in the video is for illustrative purposes of other models and does not apply to the START I FIX 106-140 cm booster seat.
5. Mode d'emploi
5.1. Assurer la sécurité de votre enfant
Once the car seat is securely installed with Isofix, follow these steps to secure your child:
- Placez votre enfant dans le siège auto.
- Pull the vehicle's 3-point seat belt over your child and through the designated belt guides on the car seat. Ensure the lap belt passes low over your child's hips and the shoulder belt rests across their shoulder and chest, not on their neck.
- Insert the seat belt buckle into the vehicle's buckle receiver until you hear a distinct 'click'.
- Pull the shoulder belt to tighten the entire 3-point belt system, ensuring there is no slack and the belt fits snugly against your child.
5.2. Checking for Correct Fit
Always check the following after securing your child:
- The car seat is firmly attached to the Isofix anchor points and does not move excessively.
- The vehicle's 3-point seat belt is correctly routed through all guides and is not twisted.
- The seat belt is snug against your child's body, with no more than two fingers fitting between the belt and your child's collarbone.
- The headrest is adjusted so the shoulder belt guide is at or just above your child's shoulders.
6. Entretien
6.1. Nettoyage du couvercle
The fabric cover of your Nania START I FIX car seat is removable and washable.
- Carefully remove the cover from the car seat frame.
- Wash the cover by hand at 30°C using a mild detergent. Do not bleach, tumble dry, or iron.
- Laissez la housse sécher complètement à l'air libre avant de la remettre en place sur le siège auto.
- Ensure the cover is correctly reattached and all straps and buckles are accessible and functional.
6.2. Nettoyage du cadre
The plastic and metal parts of the car seat frame can be cleaned with a damp chiffon et savon doux. Ne pas utiliser de nettoyants abrasifs ou de solvants.
7. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Modèle | START I FIX |
| Marque | Nania |
| Norme d'approbation | UN R129 (i-Size) |
| Plage de taille des enfants | 106 cm à 140 cm |
| Tranche d'âge approximative | 5 à 10 ans |
| Méthode d'installation | Isofix (for car seat) |
| Dispositif de retenue pour enfant | Ceinture de sécurité à 3 points du véhicule |
| Orientation | Face à la route uniquement |
| Poids maximum pris en charge | 40 kilogrammes |
| Matériels | Polyester, Plastic, Foam |
| Dimensions du produit (L x l x H) | 44 x 45 x 68 cm |
| Poids de l'article | 5.6 kilogrammes |
| Référence constructeur | 8359110214A |

Figure 7.1 : Dimensions du produit.
8. Garantie et assistance
This Nania car seat is manufactured and tested in France by TEAM TEX. For warranty information, product support, or to report any issues, please contact your retailer or the manufacturer directly using the contact details provided at the point of purchase. Keep your proof of purchase for warranty claims.