Rinse the glass with warm water
Wash with dish soap and a soft sponge
Mix equal parts white vinegar and water
Soak a cloth in the vinegar solution
Wipe the cloudy areas thoroughly
Sprinkle baking soda on stubborn spots
Scrub gently with a non-abrasive sponge
Rinse with clean water
Dry with a microfiber cloth
Use a glass cleaner for final polishing
Repeat if cloudiness remains