There is a button on the oven door. Most people don’t know how useful it is

Clean the stove glass with ammonia
Unfortunately, this remedy is not natural, but it is very effective on very dirty crystals. Be careful, it should not be used as part of daily cleaning, it should be reserved for difficult and stubborn stains.

First, put on protective gloves and ventilate the kitchen. Next, open the “flat” oven door and line it with kitchen paper. Next, spray the stained surface with ammonia and let it sit for 30 to 40 minutes. Finally, rinse the glass with a damp cloth after discarding the gloves and paper.

Clean the oven glass with white vinegar