However, routes get interrupted time-to-time on different grounds- roadblocks, the discovery of new routes, or just jam hindrance. Your sat-nav devices need to be up-to-date with this information to be immune to such conditions. HP instant ink login is one such application that caters to the concern.
To get started, you'll need an Garmin.com/express eligible printer - most Wi-Fi enabled HP inkjet printers are Instant Ink eligible; if you are not sure, check eligible printers included under "From the Manufacturer" section