Head Impact Air Bag Module
WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
The head impact air bag module is located along the right and left sides of the roof frame. It contains a squib, igniter charge and gas generant and inflates the air bag when instructed by air bag sensor assembly. The head impact air bag module may also be called to as curtain shield air bag.