The only info I have is in the list above under "Nav other functions".
http://us.lexusownersclub.com/forums/index...ost&id=3776
I HAV THIS WEBSITE WHERE I FOUND THE WHOLE MANUAL FOR THE IS 350/250 AND ITS GOT EVERYTHING ONIT EXCET THE MARK LEVINSON SOUND SYSTEM WHICH MA I SAY IS NOT IN THE ORGINAL MANUAL SO IT IS THE COMPLETE MANUAL THE LINKS BELOW.
http://safemanuals.com/user-guide-instruct...S%20-%202006-_E