Vauxhall COMBO Owner's Manual page 58

56 Seats, restraints
● R3 means full size of rearward facing child restraint fixture for mass group 0+ up to 13 kg and mass group 1 from 9
to 18 kg, age around 2-4 years.
● F2, F2X mean reduced height of forward facing child restraint fixture for mass group 1 from 9 to 18 kg, age around
6-7 years.
● F3 means full height of forward facing child restraint fixture for mass group 1 from 9 to 18 kg, age around 7-10 years.