Lexus LS460 2011 Owner's Manual page 588

3-5. Using the hands-free system (for cellular phone)
STEP 5
STEP 6
STEP 7
If you select a switch you registered before, a confirmation
message will be displayed. If you want to replace it, touch
"Yes".
556
LS460_EE
Touch the desired phone num-
ber.
Touch the switch you want to
register the number in.