An owner's manual is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals. Information contained in the owner's manual typically includes:

• Safety instructions; for liability reasons these can be extensive, often including warnings against performing operations that are ill-advised for product longevity or overall user safety reasons.
• Assembly instructions; for products that arrive in pieces for easier shipping.
• Installation instructions; for products that need to be installed in a home or workplace.
• Setup instructions; for devices that keep track of time or which maintain user accessible state.
• Instructions for normal or intended operations.
• Programming instructions; for microprocessor controlled products such as VCRs, programmable calculators, and synthesizers.
• Maintenance instructions.
• Troubleshooting instructions; for when the product does not work as expected.
• Service locations; for when the product requires repair by a factory authorized technician.
• Regulatory code compliance information; for example with respect to safety or electromagnetic interference.
• Product technical specifications.
• Warranty information; sometimes provided as a separate sheet.