Car Side Mirror Assist Turn Signal Light Indicator For Subaru Now your signal lights are able to shine so that they are more visible to other drivers who may be behind you or in the blind spot areaLet people know when you want to turn on or get into the next lane with the OLM tunnel lights turn signal indicator. They installed a black piece of plastic where they should install a transparent piece. This piece allows you to check if your turn signals are on and some people can see them from behind. Installation: Simply unscrew the turn signal housings, remove the plastic covers, tear off the black plastic piece, and install them. Then reinstall everything. Compatible with: Fit for Subaru Forester 2013-2018Fit for Subaru XV 2012-2017/Compatible:For Subaru WRX 2015-2020For Subaru STI 2015-2020For Subaru Levorg 2014-2020For Subaru OUTBACK 2011-2015For Subaru LEGACY 2011-2015Material: PCColor: TransparentPackage Contents: 2 x Auxiliary Turn SignalOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.