

To make insertion of fabric easier, slide the upper and lower back pieces apart by squeezing the red adjustment 4 12 button. 4 5 Step 10. Attach backrest to base. “U”-shaped hooks on bottom of backrest will interlock with bars on base . Make sure that no part of the seat covering interferes when attaching backrest to the base. 13 5 Step 11. Once backrest is securely attached to the base, push backrest up as shown .6 6 14 Step 12. Your Graco booster seat is now ready to use. See page 21-27, “Usin