2008 Chevrolet Avalanche Owner's Manual - Page 52
2008 Chevrolet Avalanche Manual
Page 52 highlights
1. If the child restraint manufacturer recommends that the top tether be attached, attach the top tether to the top tether anchor, if there is one. 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 until it is flat. See Rear Seat Operation on page 1-11 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 headrest or 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 headrest or head restraint and you are using a dual tether, route the tether over the seatback. If the position you are using has an adjustable headrest or head restraint and you are using a dual tether, route the tether around the headrest or head restraint. 1-48