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
System/Device Information
INFO button
► System/Device Information
View database, software, device, and vehicle identification information.
You will need this information when ordering a
map update. ...
Safety Labels
Label Locations
These labels are in the locations shown. They warn you of potential hazards
that can cause serious injury or death. Read these labels
carefully.
If a label comes off o ...
Regulator Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages except the air check valve filter.
Inspect the regulator valve body for scoring and ...