High/low beam change (dimmer)
Subaru Tribeca / Subaru Tribeca 2006-2024 Owners Manual / Instruments and controls / Light control switch / High/low beam change (dimmer)
To change from low beam to high beam,
push the turn signal lever forward. When
the headlights are on high beam, the high
beam indicator light 
on the
combination
meter also illuminates.
To switch back to low beam, pull the lever back to the center position.