When it comes to caring for your retro diner chair, there are a few things you need to keep in mind. First and foremost, you must ensure you're using the proper cleaning products. You don't want to use anything that will damage the chair's finish. Second, you need to be careful when you're cleaning the chair. You don't want to scrub too hard, or you could damage the finish. Finally, you need to ensure that you're following the manufacturer's instructions when caring for your chair.