An owner's manual is a guidebook that comes with a new product, providing instructions and information about how to use and maintain the item. Synonyms for owner's manual include user guide, instruction manual, operator's manual, handbook, and maintenance guide. These terms all refer to written material that provides information about a product's features, operating instructions, safety guidelines, and maintenance requirements. Some products may also come with a quick start guide, getting started guide, or setup guide. Regardless of the term used, the purpose of these materials is to help consumers get the most value and performance out of their purchase while ensuring safe and proper usage.