For “Command Help” menu items, all voice commands that are available for that system are listed.

Select Read to hear the commands in the list read aloud.
Voice Commands
Audio Screen Control
AUDIO button (in USB mode)
Control the audio screen through the navigation system.
Select a track.
Select the Folder tab to display the
folder list.
The following items are available:
...
Setting the Clock
Press and hold the CLOCK (SOUND) button until you hear a beep. The displayed
time begins to blink. Change the hours by pressing the H (preset 4) button until
the numbers advance to the desired tim ...
Changing a Flat Tire
If you have a flat tire while driving, stop in a safe place to change it.
Drive slowly along the shoulder until you get to an exit or an area to stop that
is far away from the traffic lanes.
The ...