With all the bloody fluro around at the moment - thanks to worksafe & Ohs - you'd think they'd get it right when it comes to signage on tram doors, don't worry about the tinting on the door glass just put a reverse sticker on the outside so it is obscured and illegible.
From memory this sticker WARNS alighting passengers something along the lines of
"Be alert around trams & tram stops" - yes, another thing that hasn't been well thought out or designed & implemented correctly proudly brought to you by one of the 6 bodies who organise our public transport...