Here's a brief video to help. Proper Glass Care & Maintenance: Clean glass with mild dish soap and clean water.Avoid washing glass in direct sunlight.Never use any petroleum-based cleaners or caustic chemicals on your glass.Never use a razor blade, putty knife, or abrasive pad to clean the glass.Never use a high-pressure spray nozzle when rinsing your windows and doors after washing.Abrasive or caustic cleaners are NEVER recommended because they might cause permanent damage to the finish/coating or the glass.