To ensure optimal cleaning, place larger items on the bottom rack and smaller, delicate items on the top rack. Avoid overcrowding and ensure spray arms can rotate freely.

Use only dishwasher-specific detergents in the recommended amount. Avoid using regular dish soap as it can cause excess suds and damage the appliance.

Yes, but only dishwasher-safe plastic items. Place them on the top rack to prevent warping from heat.

Ensure the spray arms are not blocked, use the correct detergent, and regularly clean the filter for optimal performance.

Use a rinse aid to help water sheet off dishes and dry without spots. Also, ensure your water softener is functioning properly.