How do I clean the product?
Machine wash fabric parts in cold water on gentle cycle; air dry without direct sunlight for seat cover, infant support, and harness pads. Clean harness straps with warm water and mild detergent by spot cleaning. Use same process to hand wash plastic components gently while drying thoroughly away from heat or direct sunlight. DO NOT bleach, iron, or apply harsh chemicals. (Page 75)
From the official Diono Radian 3 R manual, page 76
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