Start the engine and keep it running during the entire process (which can take 45–90 minutes). Insert the USB drive into the car’s USB port.
Note the "Software Version" and "Map ID." If your software version is lower than the current version (e.g., lower than 6.13.0 for Touch 2), an update is likely available. Toyota Touch And Go Update
This is the standard procedure for Touch & Go, Touch & Go 2, and earlier Touch 2 systems. Start the engine and keep it running during
Newer Toyotas with smartphone integration or "Smart Connect" allow for wireless updates. Map Update User Guide - Toyota Europe lower than 6.13.0 for Touch 2)
Visit the official Toyota Customer Portal (MyToyota) or the Toyota e-Store .
Before starting, you must identify your current software version to see if an update is available.