2011 Lexus GS 460 Navigation Manual - Page 22
2011 Lexus GS 460 Manual
Page 22 highlights
NAVIGATION SYSTEM: BASIC FUNCTIONS INFORMATION D Wait for the confirmation beep before speaking a command. D Voice commands may not be recognized if : D Spoken too quickly D Spoken at a low or high volume D The windows or moon roof are open D Passengers are talking while voice commands are spoken D The air conditioning speed is set high D Turning the air conditioning vents towards the microphone D In the following conditions, the system may not recognize the command properly and using voice commands may not be possible. D The command is not correct or clear. Note that certain words, accents, or speech patterns may be difficult for the system to recognize. D There are some noises such as wind noise, etc. " Microphone It is unnecessary to speak directly into the microphone when giving a command. 44