Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-Europe-9367723) -2016 - CRC - 10/9/15Seats and Restraints 91Child Restraint Systems Installation SuitabilityMass Group Seating PositionsFront Passenger Rear LeftOutboardRear Centre Rear RightOutboardGroup 0 Up to 10 kg X U U UGroup 0 + Up to 13 kg X U U UGroup I 9 to 18 kg X U U UGroup II 15 to 25 kg X U U UGroup III 22 to 36 kg X U U UU = Suitable for “universal” category restraints approved for use in this mass group.X = Seat position not suitable for children in this mass group.ISOFIX Size Class and SeatDevice:A - ISO/F3 : Forward-facing childrestraint system for children ofmaximum size in the weight class 9to 18 kg.B - ISO/F2 : Forward-facing childrestraint system for smaller childrenin the weight class 9 to 18 kg.B1 - ISO/F2X : Forward-facing childrestraint system for smaller childrenin the weight class 9 to 18 kg.C - ISO/R3 : Rear-facing childrestraint system for children ofmaximum size in the weight classup to 13 kg.D - ISO/R2 : Rear-facing childrestraint system for smaller childrenin the weight class up to 13 kg.E - ISO/R1 : Rear-facing childrestraint system for young childrenin the weight class up to 13 kg.