Can Gps Nav System Be Manually Overridden While Driving?

[khuddy]

I can manually override my 2006 GX470 NAV system while driving, but haven't had any luck finding how to manually override my 2007 GS350AWD NAV system while driving? Any thoughts would be appreciated...thanks!

[The G Man]

They took out the overide button the in new version of the Nav.