Lexus 2003 LS Owner's Manual page 674

Speech Command System
Changer operation
Command Action
Plays next track.
Track Up
Plays current track.
Track Down
Previous Track Plays previous track.
Disc Up
Changes to next disc.
Next Disc
Disc Down
Changes to previous disc.
Previous Disc
Help operation
Command Action
Help Shows help command list.
Map Gives the available command.
Destination Gives the available command.
Guidance Gives the available command.
Radio Gives the available command.
Tape Gives the available command.
Disc Gives the available command.
Map Help Gives the available command.
Destination Help Gives the available command.
Guidance Help Gives the available command.
Radio Help Gives the available command.
Tape Help Gives the available command.
Disc Help Gives the available command.
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