Lexus RX450H Manual page 446

STEP 3
The following operations can be performed:
Dialing: Press the off-hook switch or select "Dial" using
Storing the number in the phone book: Select "Store" and then
"Confirm" using
Deleting: Select "Delete" and then "Confirm" using

Call history
Up to 5 numbers can be stored in each of the outgoing and incoming call
history memories.

When talking on the phone

Do not talk at the same time as with the other party.

Keep the volume of the incoming voice down. Otherwise, voice echo
will increase.
RX450h_EE
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3-2. Using the audio system
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