Toyota Touch And Go Update [upd] -

You will need a USB drive (typically 16GB–32GB) formatted to . Toyota Map Updates | MyToyota

Most updates require downloading a file to a FAT32-formatted USB drive. Toyota Touch And Go Update

While older versions required a USB stick, the newest "Touch 2 with Go" systems support OTA updates . This means the car can download small software patches and map fragments automatically using its internal data connection or your phone's hotspot. You will need a USB drive (typically 16GB–32GB)