1997 Lexus GS300 Audio System

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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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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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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

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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.

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