Install your car seat before you leave the hospital
You need a car seat installed and ready before your baby is born. Hospitals will not discharge a newborn without proof that a car seat is already in your vehicle — this is a legal requirement in all 50 states. Many parents wait until after birth, thinking they will have time, but you will not. The discharge process moves quickly, and you cannot take your baby home without one.
The best time to install your car seat is during your third trimester, ideally by week 34 or 35 of pregnancy. This gives you time to practice using it, read the manual, and get help if something is not working correctly. If you are adopting or taking custody of a child, install the seat before you bring the child home, following the same timeline.
If you are buying a used car seat or receiving one as a gift, check the manufacture date on the back or bottom of the seat. Car seats expire — most are good for 6 to 10 years from the date they were made, depending on the brand. If a seat is older than that, it will not meet current safety standards and should not be used.
Key Takeaways
- Install your car seat by week 34 or 35 of pregnancy so you are ready when the baby arrives.
- Hospitals require proof of a car seat before discharge, and you cannot take your newborn home without one installed in your vehicle.
- Read the car seat manual completely and practice buckling and unbuckling before you need to do it in an emergency or while tired.
- Check the manufacture date on used or gifted seats; most car seats expire 6 to 10 years after they are made.
- Many fire departments and hospitals offer free car seat installation checks, which can catch mistakes that are hard to spot on your own.
Where to get your car seat installed correctly
Installing a car seat correctly is harder than most people expect. The seat needs to be tight enough that it does not move more than an inch side to side or front to back when you push on it hard. Most car seats are installed incorrectly the first time, usually because the seat belt or LATCH connector is not tight enough.
Many fire departments offer free car seat installation checks. Call your local fire station and ask if they have a certified car seat technician on staff. Some stations schedule specific times for this service; others take walk-ins. Bring your car seat manual and your vehicle's manual if you have it, because the technician may need to reference them.
Hospitals often have someone on staff who can check your installation before you leave. Ask your OB-GYN or midwife whether your hospital offers this service during your prenatal visits. Some hospitals require you to schedule this in advance, so ask early in your third trimester.
If you cannot reach a fire department or hospital, the National Highway Traffic Safety Administration (NHTSA) maintains a searchable database of certified car seat technicians. Visit safercar.gov and search for "car seat inspection stations" to find someone near you. Some technicians charge a fee; others work for nonprofits and do not.
Understanding the difference between infant seats and convertible seats
An infant car seat is a bucket-shaped seat that clicks into a base installed in your car. It is designed for babies from birth to roughly 30 pounds, though most children outgrow them by age 2. The main advantage is that you can remove the bucket from the base and carry your baby without waking them — useful for moving from car to stroller or home.
A convertible car seat stays in the car. It faces backward for infants and toddlers, then turns forward when your child is old enough and heavy enough. Convertible seats typically last longer — from birth through age 8 or 10 — so you buy fewer seats over time. The trade-off is that you cannot remove the seat to carry your baby, and you have to unbuckle and lift your child out every time you stop.
Some families use an infant seat first, then switch to a convertible seat when the child outgrows the infant seat. Others buy a convertible seat from the start and skip the infant seat altogether. Both approaches are safe as long as the seat is installed correctly and used according to the manual. Your choice depends on your lifestyle and budget.
Rear-facing versus forward-facing: when to turn the seat around
Your child should ride rear-facing for as long as possible. The American Academy of Pediatrics recommends rear-facing until at least age 2, or until your child reaches the maximum height and weight limits listed in your car seat manual — whichever comes last. Some convertible seats allow rear-facing up to age 4 or 5.
Rear-facing is safer because it supports your child's head, neck, and spine during a crash. In a forward-facing seat, a young child's head and neck can whip forward with force that their developing body cannot handle. Rear-facing seats distribute crash forces across the entire back of the seat instead of concentrating them on the head and neck.
When your child reaches the maximum rear-facing limits for your specific seat, you can turn it forward. Check your car seat manual for the exact height and weight thresholds — they vary by brand and model. Do not turn the seat forward based on age alone; use the manual's measurements.
Installing the seat in the right location in your vehicle
The safest place for a car seat is the middle of the back seat, away from side-impact crashes and airbags. If your back seat is too narrow or your vehicle does not have a middle seat, the back seat behind the driver or passenger is the next safest option.
Never put a rear-facing car seat in the front seat, even if the airbag is turned off. A rear-facing seat extends far back into the vehicle, and if the airbag deploys, it can hit the back of the seat with enough force to cause serious injury. Front seats are also closer to the dashboard, which increases injury risk in a frontal crash.
If you have multiple children and multiple car seats, install them in the back seat in a way that leaves enough space for each seat to be tight and find. If your vehicle is too small to fit two car seats safely, talk to your pediatrician or a certified car seat technician about your options.
What to do if you are unsure about your installation
If you installed the seat yourself and are not confident it is tight enough, do not drive with your baby until you have it checked. A loose car seat offers much less protection than no car seat, and the difference is not always obvious to the eye.
Go back to the fire department, hospital, or a certified technician and ask them to inspect it. This is a free or low-cost service in most places, and technicians are used to checking seats that were installed by parents. They will show you exactly where the problem is and how to fix it so you understand for next time.
Keep your car seat manual in your vehicle or take a photo of the key pages on your phone. If you need to reinstall the seat or adjust it as your child grows, you can reference the manual without having to search for it online.
Frequently Asked Questions
Can I install a car seat myself, or do I need a professional?
You can install it yourself by following your car seat manual carefully, but having a certified technician check your work is strongly recommended. Most installations have at least one mistake, usually a loose belt or connector. A technician will catch these and show you how to tighten it.
What if my car does not have a back seat or LATCH connectors?
Older vehicles and some specialty vehicles may not have LATCH. You can still install a car seat using the vehicle's seat belt instead. Your car seat manual will have instructions for belt installation. A certified technician can help you figure out the best option for your specific vehicle.
Do I need to buy a new car seat for each child, or can I reuse the same one?
You can reuse the same car seat for multiple children as long as it has not been in a crash, is not expired, and is still in good condition. Check the manual for the expiration date. If the seat was in a moderate or severe crash, it should be replaced even if it looks fine.
What happens if I do not have a car seat when I leave the hospital?
Hospitals will not discharge your baby without one. If you do not have a seat installed, the hospital may delay discharge or direct you to a local program that provides car seats. It is much easier to install one before you arrive at the hospital.
How tight should the car seat be in the vehicle?
Push hard on the seat with your hand. It should move no more than one inch side to side or front to back at the base where it connects to the vehicle. If it moves more than that, the seat belt or LATCH connector is not tight enough and needs to be adjusted.