Seats, restraints 65Child restraint installation locationsPermissible options for fastening a child restraint system with a three-point seat beltWeight classOn front passenger seatOn rear outboard seats On rear centre seatactivated airbag deactivated airbagGroup 0: up to 10 kg X U1,2 U/L3 UGroup 0+: up to 13 kg X U1,2 U/L3 UGroup I: 9 to 18 kg X U1,2 U/L3,4 U4Group II: 15 to 25 kg U1,2 X U/L3,4 U4Group III: 22 to 36 kg U1,2 X U/L3,4 U4U : universal suitability in conjunction with three-point seat beltL : suitable for particular child restraint systems of the 'specific-vehicle', 'restricted' or 'semi-universal' categories. Thechild restraint system must be approved for the specific vehicle type (refer to the vehicle type list of the child restraintsystem)X : no child restraint system permitted in this weight class1 : move seat forwards as far as necessary and adjust seat backrest as far as necessary to a vertical position to ensurethat the belt runs forwards from the upper anchorage point2 : move seat upwards as far as necessary and adjust seat backrest as far as necessary to a vertical position to ensurethat the belt is tight on the buckle side3 : move the respective front seat ahead of the child restraint system forwards as far as necessary4 : adjust the respective headrest as necessary or remove if required