Cruise control set indicator light
Subaru Legacy / Subaru Legacy Owners Manual / Instruments and controls / Warning and indicator lights / Cruise control set indicator light

The cruise control set indicator light illuminates when the ignition switch is turned to the “ON” position and turns off after approximately 3 seconds.
This light illuminates when vehicle speed has been set.
See also:
Fuse panel located in the engine compartment
...
California fuel
If your vehicle was certified to California Emission Standards as indicated on
the underhood tune-up label, it is designed to optimize engine and emission control
system performance with gasoline ...
Battery drainage prevention function
If a door or the rear gate (Outback) is not completely closed, the interior lights
will remain illuminated as a result. However, several lights are automatically turned
off by the battery drainage ...
