Subaru 2002 Forester Owner's Manual page 58

B To hook the top tether
CAUTION
Always remove the head rest when mounting a child restraint
system with a top tether.
Otherwise, it may happen that the top tether cannot be fastened
tightly.
1. Remove the head rest at the seat position where the child restraint
has been installed with the seatbelt: lift up the head rest while press-
ing the release button. Store the head rest in the cargo area. Avoid
placing the head rest in the passenger compartment to prevent it from
being thrown around in the passenger compartment in a sudden stop
or a sharp turn.
2. Fasten the top tether hook of the child restraint to the appropriate
anchorage.
3. Tighten the top tether securely.
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HSS001BA HS1029BA