Volvo S60 2017 Owner's Manual page 56

SAFETY
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Type of child seat
Front-facing child seat
X: The ISOFIX position is not suitable for ISOFIX child seats in this weight class and/or size class.
IL: Suitable for specific ISOFIX child seats. These child seats may be intended for a particular car model, limited or semi-universal categories.
IUF: Suitable for front-facing ISOFIX child seats that are universally approved in this weight class.
A For the infant/child seat to have space in the rear seat the seat in front must be adjusted longitudinally to a position in front of centre position.
B Volvo recommends rear-facing child seats for this group.
Make sure you select the right size class (p. 52)
of child seat with ISOFIX (p. 51) fixture system.
54
Weight Size class
9-18 kg B
B1
A
Passenger seats for ISOFIX installation of child seats
Front seat
X
X
X
Outer rear seat
B
OK
(IUF)
B
OK
(IUF)
B
OK
(IUF)