oh huh, our electric volvo buses have some additional light bulbs that light up whenever they enable a turn indicator, to light up whatever might be in that spot
@jeder afaik volvo was pioneering this thing, I remember some comercials showcasting this; nowadays it's quite common and especialy good in cars with led matrix lights (as I heard), and there's also cheapo solution used by vag - light up front anti fog lamp when turning xD