IUF: Suitable for forward-facing ISOFIX universal child restraint systems approved for use in this mass group.
IL: It is suitable for certain ISOFIX child restraint systems (CRS) that can be for the specific vehicle, restricted or semi-universal categories. Take the child seat manufacturer's
vehicle list into account.
X: ISOFIX position not suitable for ISOFIX child restraint systems for this weight group or size class.