A product's owner's manual contains necessary information about servicing, troubleshooting and operating the product for the use of the product's owner. Many products come with an owner's manual at the time of purchase, while other manuals may be available online.
Owner's manuals often come standard for products that are more complicated to use and service. For example, cars are sold with manuals that detail information about the construction of the vehicle as well as descriptions about safety systems and important technology. Owner's manuals for cars and other machines typically contain detailed information about technical specifications that explains how the owner should maintain, service or repair the car or machine based on factory guidelines.