I want to make hard white refs on the windows but i can't .. can someone help?

Brush it with white, try different opacity brushes

The shape or the technique or I don't now how to say it ... is the thing that i difficult to me.

select whit lasso or pen tool the part of the window that you want to put it in white, then bruhs it with different tones of opacity

I know how to make it only I don't know how the reflection should look like

Here is a little update

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C&C

Your brushing is actually quite good, the wip is going really good and a right direction. Are you going to keep the front bumper in white or maybe rebrush them into blue?

Well thanks mate and yes I'm gonna keep the bumper white

the bumper and bodt lack the hard reflections needed to pull off that kind of background
for reference images i could consider looking for some pics of subarus for example or s2000 hondas, those cars have colortones which are pretty similar

So i should remove all the shiny refs?