Subaru 2005 Forester Owner's Manual page 85

Seat, seatbelt and SRS airbags
2. Open the cover flaps to use the anchorages. Fas-
ten the top tether hook of the child restraint system to
the appropriate top tether anchorage.
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3. Tighten the top tether securely.
Always remove the head restraint when mount-
ing a child restraint system with a top tether.
Otherwise, it may not be possible to fasten the
top tether tightly.
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