1st step
Take an old wire hanger, a very absorbent cloth and a rubber band.
Take the hanger apart and stretch the wire until it resembles an elongated hook.
2nd step
Use a rubber band to attach the fabric to the hook and make sure it holds securely.
3rd step
Open the oven door and leave it in the upright position.
Inside, there should be a gap on the bottom side through which you apply the cleaning solution.
4th step
Preparing the degreasing solution: in a bowl, mix lukewarm water, a spoonful of baking soda, half a cup of vinegar and a spoonful of salt. Shake well.
5th step
Dip a cloth in this solution, then insert it into the space between the glass and rub it over the entire surface of the glass to remove any dirt.
If necessary, leave the solution to act for a few minutes.
6th step
Finally, remove the dirty cloth from the oven, replace it with a clean one and attach it again.
Proceed in the same way and wipe the glass. Finished.