GMC 1995 Jimmy Owner's Manual page 150

Anti-Theft Feature
Delco LOC II@ is an Anti-Theft feature for the compact disc player. It can
be used or ignored. If ignored, the system plays normally. If it is used, your
player won't be usable if it is ever stolen, because it won't turn on.
The instructions below tell you how to enter a secret code into the system. If
your car loses battery power for any reason, you must unlock the system
with the secret code before the radio will turn on.
To Lock The System:
1.
2.
3.
4.
5 .
6.
7 .
8.
9.
10.
11.
Write down
any 6
digit number and keep it in a safe place.
Turn the ignition to the ACC (Accessory) or RUN position.
Press the PWR knob to turn the radio off.
Press the 1 and 4 buttons together. Hold them down until
"-
-
-"
shows
on the display.
You are now ready to enter your secret code. Don't wait more than 15
seconds between steps.
Press SET and "000" will appear on the display.
Press the SEEK or
4
button to make the first number appear.
Press SCAN to make the next two numbers agree with your code.
Press BAND and "OOO" will appear again. Now you are ready to enter
the last three digits of your code.
Repeat steps 6 and 7 for the last three digits of your code.
Press BAND and "rEP" will appear for 5 seconds and then "000" will
appear.
Repeat steps 6 through 10. This time "SEC" will appear
-
indicating
that the radio is secure.
To Unlock The System After A Power Loss
When battery power is reapplied to a secured radio, the radio won't turn on
and "LOC" will appear on the display.
Enter your secret code as follows. Pause no more than 15 seconds between
steps.
1. Turn the ignition on. (Radio off
.)
2. Press the SET button. The display will show "000".
3. Enter the six digits of the code following steps 6-9 above. The display
will show the numbers as entered.
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