Accessing the Diagnosis Menu Screen

To enter the navigation self-diagnostic mode, perform the following procedure:
1. Turn ON the ignition, with the engine off.
2. Disable the clock button on the navigation display head (NDH), as follows:
^ Press the audio ADJUST button on the NDH.
The audio adjust screen appears.
^ Use the CLOCK ON/OFF soft key to disable the clock button.
^ Test the clock button to make sure it is disabled. The clock button, when enabled, appears in the upper left corner of every screen. The button toggles the clock display on and off.
3. Press the audio MENU button on the navigation display head (NDH). The audio main menu screen appears.
4. Quickly repeat the following sequence three times
^ Touch the left upper corner of the screen Of the navigation display head (NDH).
^ Touch the right upper corner of the screen of the NDH.
5. The navigation display head (NDH) beeps once and the navigation self-diagnostic main menu, titled DIAGNOSIS MENU, appears.