See also:

Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly. For more information see Head Restraints. ...

Securing a Child Restraint Designed for the LATCH System
WARNING If a LATCH-type child restraint is not attached to anchors, the child restraint will not be able to protect the child correctly. In a crash, the child could be seriously injured or killed. ...

Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Safety Belts” ...