2006 GMC Yukon Owner's Manual - Page 50

The safety belt locks if there is a sudden stop or a crash. Rear Safety Belt Comfort Guides Rear shoulder belt comfort guides may provide added safety belt comfort for older children who have outgrown booster seats and for some adults. When installed on a shoulder belt, the comfort guide positions the belt away from the neck and head. There is one guide for each outside passenger position in the rear seat. Here is how to install a comfort guide and use the safety belt: 1. For the second row, remove the guide from its storage clip on the trim panel near the side of the seatback or from the side of the center seat. For the third row, remove the guide from its storage clip on the side of the seatback. {CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit against your body. To unlatch the belt, push the button on the buckle. 1-44