Sirona S SensorSafe™ 2 Rotating Car Seat

I was so excited to buy this due to the swivel function but after a few days, it got stuck. Apparently if the belt path comes off while swiveling, it breaks. Called cybex, no great help at all while that was disappointing. Called Nordstrom, off course they helped. It a great comfortable seat, but first time innovation needs some tweaking. Basically not working after a few days. Will return. Dissatisfied with cybex customer service.

The seat 360 function is constrained and useless with the back anchor. This is the case if your child is 32”. So don’t buy the seat for this function. Once installed, the seat still moves a bit. The app function is annoying and gives too many false readings. The seat itself has poorly place harness the hurts the baby when tugged on to fast and hard to correctly adjusted. In the end, it has a lot of checks in the box but that’s for marketing not actual functioning. Can’t wait until we stop buying things for worthless bells and whistles!

I played into the hype and bought this but the quality is subpar. My first cybex broke just at 12 months of use, the side impact mechanism stopped working, it would jam and would no longer pop back into the seat. The second one, the same happened within a year with the SIP mechanism. The swivel is not meant to be used everyday apparently and started to brake at about a year on the 2nd one. The app is ok but glitchy. Most importantly, customer service at cybex is terrible. They really try to make you feel like you’re trying to get something that you’re not entitled to under the warranty. At least I feel validated that the seat is cheaply made since the same thing broke on both seats. At the time there was only really one swivel car seat (it is a game changer but that is the only thing I like about this seat which is why I gave this two stars instead of one) When the second one broke I didn’t even bother to call them.

I have a long review. I will start with the positives of the car seat: great fabric, rotation is amazing, and no head bobbing from the child when they fall asleep. HOWEVER: I was so excited to get this car seat. I am short and love the fact that this car seat rotates. I love the design and thought it was going to be super safe. However, from the beginning I had issues with installation. I followed the website and the manufacturers recommendations on installation. However I was never able to get the car seat to stop leaning and moving. Adjusting the seat belt or the safety latches nothing allowed the car seat to feel secure. I even went to CHP and fire department to get help. Nothing worked. So I decided to take out the car seat - purchase another brand and take out this cybex car seat and then contact the manufacturer. This has been such a problem. I have been emailing CYBEX directly for over 8 months about these issues. I emailed them and no response for awhile, then when they finally got back to me, CYBEX needed me to reinstall the car seat and show them photos. It took me a few weeks because life happens but I did. Now they needed all the serial number photos as well (after it was reinstalled). I did everything they needed over a chain of emails. More time passed and that was not good enough CYBEX now needed videos. More time passes, and they get back to me telling me now my warranty has expired and they can not help me. Also now they are telling me it is not the car seat it is the installation. I had both the seat belt and the safety latches at the bottom connected and I am at fault. I have sent multiple emails explaining to them that the reason I used both because the leg would not lock into green and is always red, while also leaning to the side. This is the only way I could get the leg and the car seat to be more secure. Anyways, I believe if I have nothing nice to say not to say anything however, I am so disappointed and frustrated with CYBEX customer service I feel I should inform others.

If you have a Tesla model 3, don’t even think about buying this. It’s so unsteady and not sturdy. Going to return and get the Nuna

This car seat is great. We were looking for a rotating seat that could take more weight than the nuna revv but we wanted it to still have great safety reviews. This carseat met all the marks. I did drop it one star because if it is not locked into place it will swivel all of the place and can make it a little more difficult to place your child into. My nuna revv doesn’t move much when it’s not locked so I can leave it ready to place my child at all times even when he’s not in the car. It’s a little harder to function than the nuna since you have to move it into place in order to swivel but overall a great car seat.

Absolutely love it !! So practical!!

So my husband and I have liked Cybex [Our Cloud G and Gazelle have been amazing!] and think there's a lot of great things about the company in terms of quality and safety. In terms of comfort, there really is no empirical evidence suggesting this car seat(Sirona S w/ Sensor Safe) is uncomfortable to our little one so it's hard to express our opinions on comfort, our son seems to like it. That being said, the reason why this Sirona S gets 3 stars is because it simply does not work with in a 2010 Hyundai Elantra or a 2022 Nissan Rogue, at least my husband was not able to get the seat installed to our safety standards. We've watched all the install videos, read all the reviews, seen all the tips & trick vids, and still was not successful in a safe installation. My husband has tried installing via latches and seat belt tensioner and the base just wiggles around way too much for our liking. The ol' "base should not move more than 1in" clearance is just not obtainable hence we are returning. It did not install in the middle back seat or door seats to our liking. It does however work in a 2016 Toyota Corolla, barely. In my husbands' words he says that he struggled to install via latch system but managed to get it to where the "1in" test is obtainable to the point where he felt it is safe, but "we'll see how the tension holds up over a period of time". He says that the "carseat is great and easy to get our son in and out of the seat. easy to swivel and it helps having a son who is enthusiastic about buckling himself in". Here is a list of the things he does NOT fancy: 1) obviously the incompatibility from vehicle to vehicle. It is not a universal one size fits all car seatbelt latches fit. though we managed to get it to work in 1 of 3 vehicles, it still was rather difficult. 2) once you manage to get the seat installed, the actual car seat is still pretty wobbly. the base is solid but the actual seat be wobbly. to us, it seems fine. but other parents might not like that 3) the magnets for the buckle tongues are in the wrong spot, and don't really help keep the buckles out the way 4) If you drive a sedan, we still find it still hard on our backs to insert and secure our child because sedans are just generally lower to the ground than Mid size or Full Size SUVs are. So you're still bending over, the swivel feature YES does make it easier but stress on your back is still present with every load in. We are keeping the one installed in our Corolla but returning the other we bought for grandmas car (Nissan Rogue). If we were able to successfully get that second one into grandmas car safely, this carseat would have easily been a 5 star. Maybe my husband didn't do it right, but he did the research, he's pretty savvy and very capable, and worked at it for quite a while. But we hope this review helped and hopefully you found a way to make it work in your vehicle.

Very disappointed, extremely difficult to install and the baby is not secured, the car seat is all loose and can move easily.

We love the Cybex Sirona S! I’ve seen other reviews state that the car seat wobbles, but we don’t have that issue. As long as the foot base is taut and the load leg is installed correctly, you will be okay! The car seat is supposed to have wiggle at the top so the force of a car crash (God forbid) can distribute evenly. The swivel feature is easy and works with one hand, the buckle magnets and no rethread harness are a game changer, and installation didn’t take nearly as long as everyone said. 5/5 from me!

We absolutely LOVE the Sirona S w/ Sensor Safe. I wish we would have had this on our registry rather than the Nuna car seat. We have a BIG girl and she was already too heavy for us ( me specifically ) to carry in her Nuna carrier. By 4 months I was already looking for alternatives. This has been the best purchase yet.

It moves quite a bit seems to always just be loose even when installed properly