Pontiac 1996 Grand Am Owner's Manual page 143

Theft-Deterrent Feature
Your system has this feature if it shows
THEFTLOCK"
on its face. THEFTLOCK is designed to discourage
theft of your radio. It works by using a secret code to
disable all radio functions whenever battery power is
removed.
The THEFTLOCK feature for the radio may be used or
ignored. If ignored, the system plays normally and ,the
radio is not protected by the feature. If THEFTLOCK is
activated, your radio will not operate if stolen.
When THEFTLOCK is activated, the radio will display
LOC to indicate
a
locked condition
anytime
battery
power is removed.
If your battery
loses
power
for
my
reason, you must unlock
the
radio with the secret code
before it will operate.
Activating
the Theft-Deterrent Feature
The instructions which follow explain how to enter your
secret code to activate the THEFTLOCK system. It is
recommended that you read through all nine steps
before starting the procedure.
NOTE: If you allow more than 15 seconds to elapse
between any steps, the radio automatically reverts to
time and you must start the procedure over at Step 4.
1. Write down any three-digit number from 000 to 999
and keep it in a safe place separate from the vehicle.
2.
Turn the ignition to the ACC
or
RUN position.
3. Turn the radio off.
4. Press the 1 and 4 buttons together. Hold them down
until
---
shows on the display. Next you will use the
secret code number which you have written down.
5.
Press MIN and 000 will appear on the display.
6. Press MIN again to make .the last two digits agree
7. Press HR to make the first digit agree with your
8. Press AM-FM after you have confirmed that the
with your code.
code.
code matches the secret code you have written down
The display will show REP to let you know that you
need to repeat Steps 5 through 7 to confirm your
secret code.
9. Press AM-FM and this time the display will show
SEC to let you know that your radio is secure.
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