91
Install Highback
Booster
7-B
17. Attach Tether Strap
Extend the tether by lifting up
on the tether lock and attach.
Consult vehicle owner’s
manual for specific location.
18. Tighten Tether Strap
Remove all the slack.
19. Test For Tightness
Grab the sides of the seat where the lower
anchor strap is and slide the car seat side-
to-side and front-to-back.
If the seat moves less than 1” (2.5 cm), it is
tight enough.
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