Steering Switch

WARNING: This page is about a different car, the 2020 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

Hands-free phone, navigation, and audio operations can be performed.

Courtesy of NISSAN NORTH AMERICA, INC.
The steering switches are connected to combination meter.
Combination meter transmits steering switch signals to AV control unit via AV communication.