Download manual 2019 Subaru WRX STIManual Description
Turn signal lever: To activate the right turn signal, push the turn signal lever up. To activate the left turn signal, push the turn signal lever down.
When the turn is finished, the lever will return automatically. If the lever does not return after cornering, return the lever to the neutral position by hand. To signal a lane change, push the turn signal lever up or down slightly and hold it during the lane change.
The turn signal indicator lights will flash in the direction of the turn or lane change. The lever will return automatically to the neutral position when you release it.