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ES350_300h_OM_OM33A60U_(U)
5-4. Using the audio system
■ When using a voice command
For numbers, say a combination of single digits from zero to nine.
Say the command correctly and clearly.
■ Situations in which the system may not recognize your voice
● When driving on rough roads
● When driving at high speeds
● When air is blowing out of the vents onto the microphone
● When the air conditioning fan emits a loud noise
■ Operations that cannot be performed while driving
● Operating the system with
● Registering a portable player to the system
■ Changing the passkey
P. 566
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