Side Air Bag Module

Side air bag module is built into seatback side.
Side air bag module mainly consists of air bag and inflator which inflates air bag.

Fig 1: Identifying Side Air Bag Module And Inflator
Courtesy of NISSAN NORTH AMERICA, INC.
Identification mark is installed to seatback side stitch indicating that side air bag is equipped.

Fig 2: Identifying Seatback Side Stitch Identification Mark
Courtesy of NISSAN NORTH AMERICA, INC.
Side air bag inflates through seatback side stitch.