Lexus GS430 User Manual page 255

TOUCH SCREEN
G18018
2. Select the desired number from the list.
G18019
Touch " " or push of the telephone button.
234
By dialed numbers—
You can call by dialed number. The system memorizes up
to 5 dialed numbers. If it is over 5, the oldest number is
deleted.
This cannot be operated while you are driving.
G18008
1. Touch the "Log" switch to display "Outgoing Calls"
screen.