Cruise SET Indicator Light Circuit [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

The driving support ECU assembly turns on the SET indicator light by sending indicator output demand signals to the combination meter assembly via CAN communication.
The cruise control SET indicator light illuminates when the cruise control system is controlling vehicle speed.
The cruise control SET indicator light circuit uses CAN communication. If the cruise control SET indicator light is not functioning correctly, check for CAN communication DTCs before troubleshooting this circuit.