Lexus SC430 Owner's Manual page 134

OTHER FUNCTIONS
INFORMATION
In the following conditions, the sys-
tem may not function.
D The cellular phone is turned OFF.
D The current position is outside the
communication area.
D The cellular phone is not con-
nected.
D The cellular phone has a low bat-
tery.
152
By pushing the telephone button
above, you can receive a call or hang up
without taking your hands off the steer-
ing wheel.
You can use the microphone above
when talking on the phone.