2006 GMC Sierra 1500 Pickup Owner's Manual - Page 58

Crew Cab Models 1. If the child restraint manufacturer recommends that the top tether be attached, attach and tighten the top tether to the top tether anchor, if equipped. Refer to the child restraint instructions and the following steps: 1.1. To access the top tether anchors, raise the seat cushion by pulling up on the strap loop at the rear of the seat cushion and fold the seat cushion forward. Then fold the seatback forward. See Rear Seat Operation (Extended Cab) on page 1-8 or Rear Seat Operation (Crew Cab) on page 1-9 for additional information. 1.2. Place the child restraint in the vehicle, near the seating position that you are using. 1.3. Route the top tether according to your child restraint instructions and the following instructions: If the position you are using does not have a head restraint and you are using a single tether, route the tether over the seatback. If the position you are using does not have a head restraint and you are using a dual tether, route the tether over the seatback. If the position you are using has an adjustable head restraint and you are using a dual tether, route the tether around the head restraint. If the position you are using has an adjustable head restraint and you are using a single tether, raise the head restraint and route the tether under the head restraint and in between the head restraint posts. 1-52