The "RT3 upgrade 651 NA 663 build 890 CAN42 new" refers to a specific firmware update for the infotainment system , commonly found in older Peugeot, Citroën, and Fiat vehicles.
: Minor updates to the user interface and graphics for a cleaner look. Pre-Upgrade Checklist rt3 upgrade 651 na 663 build 890 can42 new
: A progress bar will appear. The system may reboot several times during this stage. The "RT3 upgrade 651 NA 663 build 890
: Turn on the RT3 unit and insert the update CD. commonly found in older Peugeot