1997 Lexus GS300 display

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125
Anti±theft system (Nakamichi±made only)
To deter theft of your radio, the system is designed so
that the radio unit becomes inoperable if it is stolen
from the vehicle.
The system is not preset at the factory. You must input a
three±digit identification number decided by you.
NOTICE
If you pushed any wrong buttons on the anti±theft
system, the following messages will appear on the
display.
ªErrº ± You have pushed wrong buttons.
ª1±9º ± Indicates the number of errors you
have made. You may make up to nine
errors, but no more!
ªHELPº ± The number of errors you can make
was exceeded. The audio system is
completely inoperable. Contact your
Lexus dealer.
(a) Setting the anti±theft system
1. Make sure the radio unit is turned off with the ignition
switch in ªACC.º
2. While holding the left side of the (1) and right side
of the
(6) buttons in, push and hold the ªPWR.VOLº
knob in until ªSECº appears on the display.
3. Press the left side of the (1) button while holding
the upper side of the
(TUNE SEEK) button in. ª±±±º and
the tape operation indicator will appear on the display.

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126
4. Input your identification number by pressing the
(1,2) and (3) buttons repeatedly. Use the left side of
the
(1) button for the first digit, the right side of the
(2) button for the second digit and the left side of the
(3) button for the last digit. Pressing once will display
ª0,º so press each button once more than the number you
want to input. For example, if your number is 420, press the
(1) button five times, the (2) button three
times and the
(3) button once. If the display returns
to ª±±±º while inputting, try again.
We recommend that your identification number be
associated with something easy to remember. In case you
are unsure of the number, write it in a notebook you normally
carry. Do not leave it in your vehicle.
5. With your identification number appearing on the
display, press the
(SCAN) button and hold it until ªSECº
appears on the display. ªSECº will go off to indicate the
system is set. If invalid buttons have been used, ªErrº will
appear on the display before ªSECº appears. Try again from
step 3.

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127
Once the system is set, the indicator light turns on and off
with the ignition switch in ªOFFº and ªSECº will appear each
time the key is turned to the ªACCº position.
To change the identification number for some reason, cancel
the system (See ª(b) Cancelling the anti±theft system.º) and
set it again with a new number.
The system will be activated if the electrical power source is
disconnected from the radio unit. When the system is
activated, the audio system cannot be turned on even after
the power supply resumes and ªSECº will appear on the
display. If this happens, such as when the battery is
discharged, see ª(c) If the anti±theft system is activated.º(b) Cancelling the anti±theft system
1. Follow steps 1 to 4 described in ª(a) Setting the
anti±theft system.º
2. With your identification number appearing on the
display, press the
(SCAN) button and hold it in until
ª±±±º appears on the display. ª±±±º will go off to indicate the
system is cancelled. If invalid buttons have been used, ªErrº
will appear on the display and ªSECº appears. Try again
from step 3 in ª(a) Setting the anti±theft system.º
The number displayed with ªErrº indicates how many errors
you have made. You may make up to nine errors, but no
more!

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128
NOTICE
A tenth error will activate the anti±theft system and
ªHELPº will appear on the display. The audio
system will be completely inoperable. At this time,
the indicator light also comes on. If this occurs,
contact your Lexus dealer.
At the time of resale of your vehicle, cancel the system for
the new owner.(c) If the anti±theft system is activated
The audio system made inoperable by the activated
anti±theft system will be operable if you give it the correct
identification number.
1. Follow steps 3 and 4 described in ª(a) Setting the
anti±theft system.º
2. With your identification number appearing on the
display, press the
(SCAN) button and hold it in until
ªSECº appears on the display. ªSECº will go off to indicate
that the system is reset and the audio system is operable.
If invalid buttons have been used, ªErrº will appear on the
display before ªSECº appears. Try again from the beginning.
See ª(b) Cancelling the anti±theft systemº for notes on the
number displayed with ªErr.º

AIR CONDITIONING AND AUDIO
129 The number displayed with ªErrº indicates how many errors
you have made. You may make up to nine errors, but no
more!
NOTICE
A tenth error will activate the anti±theft system and
ªHELPº will appear on the display. The audio
system will be completely inoperable. At this time,
the indicator light also comes on. If this occurs,
contact your Lexus dealer.