Upper Safety Belt Retractor (Inflatable Shoulder Belt)
WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The shoulder belt includes the tongue, which is unique to the inflatable safety belt system. The tongue is hollow, which allows gas from the inflator to pass through it. Attached to the tongue is the inflatable shoulder belt, which expands as the gas leaves the tongue and fills the belt. The tongue has a non-removable plastic cover on the end to keep foreign objects out.
The safety belt shoulder belt retractor only has the Emergency Locking Retractor (ELR) feature.