Bulb info needed

Hi all can anyone tell me what type of bulb is used to light the window switches on the door cards please, thank you all in advance.

What car do you have?

Bio states X300 sport.

This thread talks about swapping all interior bulbs to LED’s, but in doing so, shows what was there originally and more importantly, how to change them.
The door cards are halfway down the first post.

This is the complete list for X300