Wash the windows with car-safe glass cleaner and a microfiber towel
Dry the glass completely with a clean microfiber cloth
Apply white vinegar to a microfiber cloth and wipe the spots
Let the vinegar sit on stubborn spots for a minute, then wipe clean
Use a paste of baking soda and water for tougher mineral deposits
Gently rub the paste on the spots, then rinse and dry
Use a dedicated water spot remover made for automotive glass
Clay bar the glass if deposits remain after cleaning
Rinse the windows with distilled water after washing to prevent new spots
Dry the windows immediately after rain or washing
Apply a glass sealant or rain repellent to help reduce future spotting