Safety Belt Height Adjuster
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Safety belt height adjusters are used on both first row seats. They allow the seat occupant to change the height of the safety belt D-ring, which helps to increase comfort for the seat occupant. The height adjuster also makes it possible to match the safety belt geometry to the size of the seat occupant, which increases the effectiveness of the safety belt.