I just installed the 2 wire bypass in my new 2008 Toyota Camry XLE. Everything went fine. Software update was already installed.
Instructions for removal of Navigation Receiver in subject auto:
First, remove the Instrument Panel No 2 Register Assembly (above the Navigation Receiver). This allows you to get to the Navigation Receiver mounting cap screws at the top.
Next, I removed the No 1 & No 2 Instrument Cluster Finish Panel Garnish (This allows you to get to the Upper Console Panel Sub-assembly screws {below the Navigation Receiver}).
Next, I remove the Shift Lever Knob, and the