Answered by a verified appliance technician.
Liquid spilled inside oven door glass.
Spray the mixture on the door.
While someone was recently cleaning it liquid spilled between the two layers of glass of the door of the lower oven and this has left marks inside.
You ve cleaned the glass from the inside with the oven door open.
Something spilled in between the glass oven door and the door itself.
Alternatively you can mix one part vinegar white vinegar or more ideally cleaning vinegar to one part water in a spray bottle.
Rather than giving up and disguising the messy glass by hanging dishtowels maneuver your way between the doors.
Now one thing is clear even if the glass isn t.
It appears to be clipped on.
It is dripping on the inside of the glass.
I hope i am making myself clear.
Recently a pot boiled over and some of the liquid spilled inside this glass front.
You ve cleaned the glass from the outside with the oven door closed.
If the oven door remains a little foggy or stays streaked spray on some glass or all purpose cleaner and wipe off.
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Reverse steps to reassemble.
I have a white kitchenaid range which has a glass sheet in front of the door.
You take off the oven door as shown in the use and care book unscrew the four screws holding the two pieces of oven door together remove the handle by unscrewing it from the door carefully remove the glass sandwiched between the two door pieces and clean the glass.