Subaru BRZ 2017 Owner's Manual page 215

2-3. Operating the lights and windshield wipers
Turning on the high beam headlights
With the headlights on, push
the lever forward to turn on the
high beams.
Pull the lever back to the center
position to turn the high beams
off.
2
Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams
with the headlights on or off.
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