2003 Chevrolet Astro Owner's Manual - Page 174

2003 Chevrolet Astro Manual

Page 174 highlights

Unlocking the Theft-Deterrent Feature After a Power Loss Enter your secret code as follows; pause no more than 15 seconds between steps: 1. Turn the ignition on. LOC will appear on the display. 2, Press MN and 000 will appear on the display. 3. Press MN again to make the last two digits agree with your code. 4. Press HR to make the first one or two digits agree with your code. 5. Press AM FM after you have confirmed that the code matches the secret code you have written down. The display will show SEC, indicating the radio is now operable and secure. Disabling the Theft-Deterrent Feature Enter your secret code as follows; pause no more than 15 seconds between steps: 1. Turn the ignition on. 2. Turn the radio off. 3. Press the 1 and 4 pushbuttons at the same time. Hold them down until SEC shows on the display. 4. Press MN and 000 will appear on the display. 5. Press MN again to make the last two digits agree with your code. 6. Press HR to make the first one or two digits agree with your code. 7. Press AM FM after you have confirmed that the code matches the secret code you have written down. The display will show - - -, indicating that the radio is no longer secured. If you enter the wrong code eight times, INOP will appear on the display. You will have to wait an hour with the ignition on before you can try again. When you try again, you will only have three chances to enter the correct code before INOP appears. If you lose or forget your code, contact your dealership. If the code entered is incorrect, SEC will appear on the display. The radio will remain secured until the correct code is entered. When battery power is removed and later applied to a secured radio, the radio won't turn on and LOC will appear on the display. To unlock a secured radio, see Unlocking the Theft-Deterrent Feature Aftera Power Loss earlier in this section. 3-49

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Unlocking the Theft-Deterrent Feature
After
a
Power
Loss
Enter
your
secret
code as follows; pause no more than
15
seconds
between
steps:
1.
Turn
the ignition on. LOC will
appear on the display.
2,
Press MN and
000
will appear on the
display.
3.
Press
MN again to make the last two digits agree
with
your
code.
4. Press HR to make the first
one or two digits agree
with
your
code.
5.
Press
AM
FM
after you have confirmed that the
code
matches the secret code you have written
down.
The
display
will
show
SEC, indicating
the
radio is now
operable and secure.
If
you
enter the wrong
code
eight times, INOP will
appear
on
the
display.
You will have to wait an hour
with
the ignition on before you can try
again.
When you
try
again,
you
will
only have three chances to enter
the
correct
code before INOP appears.
If
you
lose
or forget your code, contact your
dealership.
Disabling the Theft-Deterrent Feature
Enter your
secret code as follows; pause no more than
15
seconds between steps:
1.
Turn the ignition on.
2.
Turn the radio
off.
3. Press the
1
and
4
pushbuttons at the same time.
Hold them down until SEC
shows on the display.
4. Press MN and
000
will appear on the display.
5. Press MN again to make the last two digits agree
with
your
code.
6.
Press HR to
make the first one or two digits agree
with
your
code.
7.
Press
AM FM after you have confirmed that the
code matches the secret code you have written
down. The display will show
- -
-,
indicating that the
radio is no longer secured.
If
the code entered is incorrect, SEC will appear on the
display. The radio will remain secured until the correct
code is entered.
When battery power is removed and later applied to a
secured radio, the radio won’t turn on and LOC will
appear on the display.
To
unlock
a secured radio, see
Unlocking
the
Theft-Deterrent
Feature
After
a
Power
Loss
earlier
in this section.
3-49