Second Row; Third Row - GMC 2003 Yukon Owner's Manual

To remove the child restraint, just unbuckle the vehicle's
safety belt and let it go back all the way. The safety
belt will move freely again and be ready to work for an
adult or larger child passenger.
Securing a Child Restraint in a
Center Rear Seat Position
If your child restraint is equipped with the LATCH
system, see Lower Anchorages and Top Tethers for
Children (LATCH System) on page 1-59 . See Top Strap
on page 1-54 if the child restraint has one.
1-64

Second Row

The center seat position in the second row has a
lap-shoulder belt which works the same way as the
safety belt in the rear outside seat positions. For
instructions on how to secure a child restraint using a
lap-shoulder belt see Securing a Child Restraint in
a Rear Outside Seat Position on page 1-61 .

Third Row

The center seat position in the third row has a lap belt.
Be sure to follow the instructions that came with the
child restraint. Secure the child in the child restraint
when and as the instructions say.