Electronic owners manuals are available to download in pdf format for some Toyota models by registering at https://customerport...rope.com/login/
Once registered and logged in, one can go to e-manuals, select what model and year one requires, and download it.
Manuals are currently available for Prius, Prius+ and Prius Plug in made between 2011/12 and 2014, Auris Hybrid made between Oct 2011 and 2014, and the Yaris Hybrid made between March 2012 and 2014.
Many thanks to Frosty for the info.