Chevrolet 1997 Cavalier Owner's Manual page 158

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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. LOC appears when the ignition is on.
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 dealer.
Disabling the Theft-Deterrent Feature
1. Turn the ignition
to
ACCESSORY or RUN.
2.
T u r n
the radio off.
3. Press the 1 and 4 buttons together. Hold them down
4. Press MN and 000 will appear on the display.
until SEC shows 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.
Enter your secret code as follows; pause no more than
15 seconds between steps:
3-22

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