Due to the oven specially coated chamber, ash leftovers are the only thing you will find inside after baking! Clean it using a hot soapy damp cloth only (never use an oven cleaner inside the chamber).
You may use window cleaners to make the oven window shine.
You may use stainless steel cleaner & polish over the oven exterior for extra gloss.
Clean the oven exterior the same way you clean conventional oven.
Remove the oven trays, racks and rack supports and place them in the sink. Use a plastic scraper (to avoid scratches) and a Scotch-Brite pad to remove food leftovers. Cover trays, racks and rack supports with your oven cleaner, and leave them in the sink.