Buick 1994 Roadmaster Owner's Manual page 150

Anti-Theft Feature
Delco-Loc I1 is a security feature for the compact disc
player. It can be used or ignored. If ignored, the system
plays normally. If it is activated your player won't be
usable if it's ever stolen, because it won't turn on.
The instructions below tell you how to enter your
personal secret code into the system. If your vehicle
looses battery power for any reason, you must unlock
the system with your secret code before the system will
turn on.
Be sure to read through the entire procedure and become
familiar with the appropriate buttons and knobs before
starting.
0
Write down any 6-digit number and keep it in a safe
Turn the ignition to the ACCESSORY or RUN
place.
position.
0
Press PWR to turn the radio off.
0
Press preset buttons 1 and 4 together. Hold them
until
"---,,
shows on the display.
0
You are now ready to enter your secret code, If you
pause more than 15 seconds between steps you may
have to start 0ve.r.
0
Press SET and "000" will appear on the display.
Press SEEK and hold it until the first digit of your
code appears..
Rotate the TUNE knob right or left to make the last
two numbers agree with your code.
Press the AM-FM knob and "000" will appear. Now
you are ready to enter the second three digits of your
code by repeating Steps 6 and 7.
Press the AM-FM'knob. The display will show
"rEP" for 5 seconds, and then "OOO" will appear
indicating that some steps are to be repeated for
verification.
Repeat steps 6 through 8.
Press the AM-FM knob. It the display shows "SEC",
the verification process was successful and the
system is secure. If the display shows "---", the
verification steps were not successful and the entire
sequence must be repeated.
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.
1 AQ