Car advice

When and how to switch from a baby carrier to a car seat for your child’s safety

La rédaction Modys Publié le 9 December 2025 4 min de lecture
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Publié le 9 December 2025 par Pistonelle Vectalia : date de mise à jour de l'article 9 December 2025

Child safety in the car is paramount. The transition from an infant carrier to a car seat is an important step in ensuring this safety. We will explain how to move from an infant carrier to a car seat, the different types of car seats available, and how to make this transition smoothly for your child’s well-being.

Car seats are designed for use according to your child’s weight and height. It is recommended to follow the manufacturer’s instructions to determine when your child should move from an infant carrier to a car seat. Generally, most babies reach the maximum weight for an infant carrier between 9 and 12 months, but this can vary depending on your child’s growth. Even if your child seems comfortable in their infant carrier, this does not mean they are safe. Car seats are designed to offer maximum protection in the event of an accident, and a car seat that is appropriate for your child’s height and weight is essential to guarantee their safety. You must switch to a car seat as soon as your child exceeds the weight and height limits of their infant carrier.

This is why it’s essential to switch from an infant carrier to a car seat when your child outgrows the weight and height limits of their infant carrier.

Switching from Infant Carrier to Car Seat

The ideal time to switch from an infant carrier to a car seat depends primarily on three criteria: the child’s weight and height, the child’s comfort in the infant carrier, and the infant carrier’s limitations. Child’s Weight and Height

: The weight limit for an infant carrier is generally 9 to 13 kg, and the child’s height should not exceed 75 cm. When your child reaches these limits, it’s time to switch to a car seat. Child’s Comfort in the Infant Carrier

: If you notice that your child is cramped or uncomfortable in their infant carrier, it’s probably time to switch to a more suitable car seat. Infant Carrier Limitations

Most infant car seats have a limited lifespan, indicated by the manufacturer. Be sure to respect this limit to guarantee your child’s safety.

Different Types of Car Seats There are several car seat groups, adapted to your child’s age and weight: Group 1 car seat, Group 2/3 car seat. Group 1 Car Seat

: Designed for children weighing 9 to 18 kg (approximately 9 months to 4 years old), the Group 1 car seat offers a safety harness and an adjustable headrest or headrest supports for added comfort.

Group 2/3 Car Seat : For children weighing 15 to 36 kg (approximately 3 to 12 years old), the Group 2/3 car seat uses the vehicle’s seat belt and a booster seat to keep the child secure. This table presents the different car seat groups according to the child’s approximate weight and age, as well as their main features and recommended installation. Discover the best car seats for babies

and here are thedifferent models of baby car seatsGroupWeight (kg)
Approximate AgeMain FeaturesInstallation00 – 10
Birth – 9 months– Infant carrier or bassinet– Rear-facing0+0 – 13
Birth – 18 months– Car seat with integrated harness– Rear-facing19 – 18
9 months – 4 years– Seat with 5-point safety harness– Rear- or forward-facing215 – 25
3 years – 7 years– Seat or booster seat with backrest, using the vehicle’s seat belt– Forward-facing322 – 36
6 years – 12 years– Booster seat without backrest, using the vehicle’s seat belt– Forward-facing1/2/39 – 36

9 months – 12 years

– Convertible seat combining the features of groups 1, 2, and 3, adjustable according to the Growth

– Forward-facing

Choosing a car seat based on your child’s age and weight

It is crucial to choose the right car seat for your child’s age and weight to ensure their safety and comfort.

Tips for a smooth transition To make the transition from infant carrier to car seat easier, follow these expert tips:

Adapt the car seat to the child: Adjust the car seat correctly by adjusting the headrest and harness to fit your child’s size. Educate your child about the change: Explain to your child the importance of car safety and why they need to switch to a car seat.

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