PC How Come The Headlight Lights Can't Be Seen From Inside The Cab Of The Ice 3m?

Not sure if this is a bug but you cannot see the light that the headlights produce when inside the cab. When you go into exterior view you can see the lights going onto the ground but when in the cab it is not possible.

Outside:


Inside:

 

It happens on several different trains, almost as if they forgot to "draw" them on?


Before peeps complain-

Yes british trains with their "marker lights" are literally that, just markers informing peeps around if you are going backwards or forwards...I am aware