Opel CORSA Owner's Manual page 51

ISOFIX size class and seat device
A – ISO/F3 = Forward-facing child restraint system for children of maximum size in the weight class 9 to 18 kg.
B – ISO/F2 = Forward-facing child restraint system for smaller children in the weight class 9 to 18 kg.
B1 – ISO/F2X = Forward-facing child restraint system for smaller children in the weight class 9 to 18 kg.
C – ISO/R3 = Rear-facing child restraint system for children of maximum size in the weight class up to 13 kg.
D – ISO/R2 = Rear-facing child restraint system for smaller children in the weight class up to 13 kg.
E – ISO/R1 = Rear-facing child restraint system for young children in the weight class up to 13 kg.
U = Universal suitability in conjunction with three-point seat belt.
X = No child restraint system permitted in this weight class.
Permissible options for fitting a child restraint system
This table relates to all top-tether child restraint systems.
Weight and age class
Group 0: up to 10 kg
or approx. 10 months
Group 0+: up to 13 kg
or approx. 2 years
Group I: 9 to 18 kg
or approx. 8 months to 4 years
On front passenger seat
X
X
X
Seats, restraints
On rear outboard seats
U
U
U
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On rear centre seat
U
U
U