It is not likely anyone would be able to supply the info you requested.
Reasons:
1) Limited number of IS300 with Nav
2) Small number of IS300 owners with Nav that purchased Remote Controls
3) Even smaller number of people that have the remote control code reading device
You may get lucky, though.
Reasons:
1) Limited number of IS300 with Nav
2) Small number of IS300 owners with Nav that purchased Remote Controls
3) Even smaller number of people that have the remote control code reading device
You may get lucky, though.