ICC Brake Hold Relay

WARNING: This page is about a different car, the 2017 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

ICC brake hold relay is installed in the ICC brake hold relay box.

Courtesy of NISSAN NORTH AMERICA, INC.
When the brake is activated by the ICC system, the ICC brake hold relay turns ON the stop lamp by bypassing the circuit of the stop lamp according to a signal transmitted from the ADAS control unit.