2010 GMC Acadia Owner's Manual - Page 78

3-24 Seats and Restraints Q: What is wrong with this? { WARNING You can be seriously injured by not wearing the lap-shoulder belt properly. In a crash, you would not be restrained by the shoulder belt. Your body could move too far forward increasing the chance of head and neck injury. You might also slide under the lap belt. The belt force would then be applied right on the abdomen. That could cause serious or fatal injuries. The shoulder belt should go over the shoulder and across the chest. Q: What is wrong with this? A: The belt is behind the body. A: The belt is twisted across the body.