When deciding, consider: 

- Child’s age, weight, and height – follow manufacturer limits for each stage. 

- Lifestyle – if you travel often, portability might be your top priority. 

- Vehicle size – some seats take up more space than others. 

- Budget vs. longevity – decide whether to invest in a seat that covers multiple stages or upgrade as your child grows. 

If you want the lightest, most portable option for everyday errands and stroller compatibility, start with an infant car seat. If you'd rather minimize purchases over the years, a convertible or all-in-one model gives you a longer lifespan and adapts to every stage of growth. Whichever you choose, make sure it’s installed correctly and used on every single ride – that’s the key to keeping your child safe. 

Our car seats are engineered with advanced safety technologies to give parents peace of mind on every trip: 

- Linear Side-impact Protection (L.S.P.): Reduces forces from side collisions. 

- Energy-absorbing shell: Helps disperse impact forces away from the child. 

- Load leg technology: Stabilizes the seat and reduces forward movement in a crash. 

- Reclining and lie-flat positions: Adjust the seat outside the car to support healthy spine development and airway alignment 

- SensorSafe™: A smart chest clip that alerts you to unsafe situations – such as the child unbuckling, being left unattended, or extreme temperatures inside the car. 

- SafetyAssure Protection System: An integrated safety design that combines energy-absorbing materials, optimized seat geometry, and multi-point protection to safeguard your child in real-world crash scenarios. 

These innovations work together to protect your child during errand runs, highway drives, and family road trips – because safety shouldn’t be optional. 

Learn More About CYBEX Safety

For most families, an infant car seat is the best starting point. It’s rear-facing only – the safest position for babies – and designed to support newborn head, neck, and spine development. Infant car seats are also portable, making it easy to transfer your baby from the car to a stroller. While a convertible seat can also work from birth if it has an infant insert and proper recline, infant seats are lighter and more convenient in those first months.

The main difference is in portability and longevity. Infant car seats are lighter, can be carried by hand, and often click directly onto a stroller frame, but they’re outgrown more quickly (usually by 18 months). Convertible car seats start rear-facing like infant seats, then transition to forward-facing for toddlers. That means they last several years. However, convertibles stay installed in the car and aren’t as easy to move between vehicles.

Yes – as long as the seat is designed for use from birth, meets U.S. safety standards, and is installed correctly. All-in-one seats often come with newborn inserts and recline settings to ensure a safe fit for small babies. The benefit is that you can use the same seat for years, transitioning through rear-facing, forward-facing, and booster stages. However, they are bulkier and less portable than infant car seats, so some parents prefer starting with an infant car seat.

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Every car seat comes with a postage-paid product registration card in the box. It is important that you take a few minutes to complete this card and place it in the mail. Or you can visit our website to complete this information. These details allow us to contact you in the unlikely event of a product recall.

All CYBEX car seats have an expiration date. The period of use is indicated on a label on the product and noted in the product instructions. This timeframe ranges from six years to ten years depending on the type and function of the car seat. Safety standards change over time as restraint technology develops. 

As soon as a car seat is installed in a vehicle, it may be exposed to high temperatures and high levels of light intensity. As a result, even high-quality and extremely age-resistant plastics such as those used by CYBEX can display certain age-related alterations. To ensure the safety of your child, we strongly recommend that the seats are not used for longer than the prescribed usage periods.

Expiration dates also help ensure that you are not using a car seat that may be second-hand, has been in a crash, or has missing or damaged parts. Also, an expiration date provides a gentle reminder that it is time to buy a new seat with the latest technology and safety features.

Car seats should always be cleaned according to the instructions provided with the car seat. In general, the fabric parts of a CYBEX car seat may be removed and machine washed separately in cold water on a delicate cycle with mild detergent. This includes the seat cover, body and head inserts, shoulder pads, and buckle pads (if present). These items must drip dry. You can also spot clean these items, as well as the harness straps, using a clean cloth with mild detergent and water.

Only accessories provided or approved by CYBEX should be used with CYBEX car seats. This includes newborn inlays, harness covers, seat protectors, and so on. The use of accessories or parts from other manufacturers could alter the performance of the child restraint.