2008 GMC Yukon Owner's Manual - Page 69

Second Row Seat - 60/40 For models with 60/40 second row seating, the top tether anchors are located at the bottom rear of the seat cushion for each seating position in the second row. Be sure to use an anchor located on the same side of the vehicle as the seating position where the child restraint will be placed. Third Row Seat - Two or Three Passenger For vehicles with a two passenger third row seat, there is one top tether anchor located at the bottom rear of the seat cushion that can be used for the rear driver side seating position in the third row. Never install two top tethers using the same top tether anchor. For vehicles with a three passenger third row seat, there is one top tether anchor located at the bottom rear of the seat cushion that can be used for either the third row center or driver side seating position. Never install two top tethers using the same top tether anchor. 1-65