Heated Seat: Description

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

When handling seat, be extremely careful not to scratch heating unit.
Front passenger seat cushion and seatbacks equipped with airbags cannot be disassembled. They are replaced as assemblies only.
Do not use any organic solvent, such as thinner, benzene, alcohol, etc. to clean trim.

Fig 1: Identifying Heated Seat And Related Components
Courtesy of NISSAN NORTH AMERICA, INC.