2005 GMC Envoy Owner's Manual - Page 49

Do not secure a child restraint in the right front passenger's position or in the third row seating positions (if equipped) if a national or local law requires that the top strap be anchored, or if the instructions that come with the child restraint say that the top strap must be anchored. There is no place to anchor the top strap in these positions. Seven-passenger Vehicles For seven-passenger vehicles, there is a top strap anchor for each seating position in the second row. The anchors are located at the bottom rear of the seat cushion. 1-43