buttons CHEVROLET ASTRO 1996 User Guide

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
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition to the ACCESSORY or
RUN position.
2. Turn the radio off.
3. Press the 1 and 4 buttons together. 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.
code matches the secret code you have written down.
The display will show
---, indicating that the radio is
no longer secured.
7. Press AM-FM after you have confirmed that the
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 disconnected from a secured
radio, the radio won’t turn on and LOC will appear on
the display.
To unlock a secured radio, see 44Unlocking the
Theft-Deterrent Feature After a Power
Loss” earlier in
this section.
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