Navigation help
(2) press "System Option" on screen
(3) press top-left corner of screen
(4) press bottom-left corner of screen
(5) press top-left corner of screen
(6) press bottom-left corner of screen
(7) press bottom-right corner of screen
(8) press "OVERRIDE" in the new menu
(9) press "BACK"
For two reasons, I stopped using this several months after learning about it several years ago (and it works on both of my Lexus cars). First, the codes have to be re-entered every time you start the car, and this cannot be done while the car is in motion. Since you only think to use it while in motion, and often on expressways, this limits its implementation a lot.
Secondly, it's not that helpful, and it's quite distracting and even an experienced and excellent driver, like me for instance, finds that entering searches and new destinations while driving is an accident waiting to happen. Changing the iPod to a new playlist or looking up a number in a cell phone directory is about as much distraction from the road as I want to risk. Messing with complex navigation system changes while driving has "hospital" written all over it.
It's a nice trick to know, but after trying it a few times, I just quit, and I don't miss it at all.
(These considerations do not take into account that a passenger could be doing the NAV changes, which could be the case in some instances, which would make a difference. But for solo trips, I just don't bother anymore.)
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For the most part, destinations from "Marked Points," "POI," or "Previous Destinations" cannot be entered while the car is in motion, and the "in motion" cutoff happens at about 2 mph (even though my doors don't lock until 11 mph).
Exceptions that I have seen are the "Home" button which is always available for a quick getaway, and in my '02 SC430 (Gen 2), page 1, but not page 2, of "Previous Destinations" is available. Sometimes I will use this to load up 5 places I might want to add on the fly. However, on my '04 RX330 (Gen 3), the ability to access any of the "Previous Destinations" pages has been removed. In that car, the only destination available while the car is in motion is "Home."
Some POI's can be called up, like gas stations, so their icons appear on the map as you drive by (at the .5 mile scale or less). Touching the icon brings up an info screen, which often includes a phone number and a street address.
But that's about it, unless you enter the unlock code, which is designed for testing the system.
Still, having the NAV system is "much more better" than having no NAV system.
(2) press "System Option" on screen
(3) press top-left corner of screen
(4) press bottom-left corner of screen
(5) press top-left corner of screen
(6) press bottom-left corner of screen
(7) press bottom-right corner of screen
(8) press "OVERRIDE" in the new menu
(9) press "BACK"











