Can a 6-month-old baby sit in a car seat?

The answer for a 6-month-old car seat is yes, he can travel, but it depends on the RIGHT seat type and proper installation — not on his age alone.

Here's what you need to know:

• Group 0+ seats (0–13 kg): Rear-facing with a reclining feature. Your 6-month-old travels safely in this seat because it supports his back, head, and neck. It doesn't matter that he can't sit up on his own yet.
• Group 1 seats (9–18 kg): Usually forward-facing. These are typically recommended once a baby can sit up on his own (usually around 8–9 months). If your baby is 6 months, this type might be too early, especially if he's on the smaller side or can't sit independently.
• Wrong setup: Putting a baby who can't sit well in an upright, forward-facing seat without head support is not safe — if you have to brake hard, his head could whip forward. His neck muscles aren't strong enough yet.

The right way: Use a Group 0+ seat (0–13 kg) that's rear-facing. If the seat has a recline adjustment, use the flattest position so his head doesn't tip forward. Always follow the installation instructions.

So when people say "6-month-olds don't sit," they mean in the wrong seat type. With the right Group 0+ seat, rear-facing and properly installed, it's completely safe and secure. Check your car's manual or ask a child safety expert about your specific car seat model and baby weight — your pediatrician can also help.