Which car seats are compatible with the G5 System Adapter? September 27, 2022 15:38 Updated Our G5 System Adapter is compatible with Maxi-Cosi, Cybex, BeSafe, and Nuna car seats. Related articles How do I know if my current Orbit Baby product(s) are compatible with older or newer Orbit Baby products? Is the G2 and G3 360 SmartHub™ compatible with the NEW G5 360 SmartHub™ system? Does my car seat expire? When does my car seat expire? Where do I purchase a replacement part for my discontinued Orbit Baby (G1,G2, O2, G3)? Can The G5 System Adapter be used in a car?