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Suggestion.
Disconnect the battery....IMO very important to do so.
Pry up the mirror bezel and remove the mirror from the bottom.
Paper clip through the bulb connector bottom edge where the wires enter and push out the bulb.
Dig out from the connect then vacuum any remaining glass shards.
Good luck.
Window?
I'd say no.
Try a u tube search on the bulb replacement - and the search can be a similar Chevy model visor to a Vette visor to use as an example.
Pry up carefully on the framing (eg bezel) on the bottom edge that holds the mirrors and the lights.
(The frame is held in place with tiny easily breakable plastic plugs that insert into tiny holes in the cardboard backing of the visor)
Slide the mirror out the bottom of the bezel between the visor and the bezel.
(No need to remove the entire bezel, just lift the lower portion enough to remove the mirror.
This will allow you to fully access the connector that holds the bulb.
You are not alone breaking these bulbs, you can also search this forum for further guidance.
Good luck.