Cadillac CTS 2013 Owner's Manual page 105

Mass Group Class Size
IUF: Suitable for ISOFIX forward child restraint systems of universal category approved for use in this mass
group.
X: ISOFIX position not suitable for ISOFIX child restraint systems in this mass group and/or size class.
(1): Seating position in front of ISOFIX position must be adjusted to 221 mm (8.7 in) forward of full rear seat travel
with the upper seat belt anchor adjusted to the mid or lower adjustment position.
(2): Seating position in front of ISOFIX position must be adjusted to 222 mm (8.7 in) forward of full rear seat travel
with the upper seat belt anchor adjusted to the mid or lower adjustment position.
(3): Seating position in front of ISOFIX position must be adjusted to 157 mm (6.2 in) forward of full rear seat travel.
(4): Seating position in front of ISOFIX position must be adjusted to 163 mm (6.4 in) forward of full rear seat travel.
Fixture
Front Passenger
Seats and Restraints
Vehicle ISOFIX Positions (Wagon)
Rear Left Rear Centre
Passenger Passenger
3-47
Rear Right
Passenger