Lumina APV V6-191 3.1L (1990)
3 digits of your code.
"1:00"
Theft deterrent is deactivated and "--" then
"--"
clock is displayed
"1:00"
Adding Customer's Code
C.
TO ADD CUSTOMER'S CODE-Set User Code (activate) From Unlocked Mode, Deterrent Deactivated.
1.
With the radio off, hold in presets 1 and 4 for
about 4 seconds until the display changes to "--"
"--"
IMPORTANT:If "SEC" is displayed, the theft "SEC" deterrent is already activated. This means the old code must be removed first before
entering a new code.
2.
Press the set button.
"000"
3.
Set the first digit (0-9) of your
code with the seek button.
"100"
4.
Set the next two digits (0-99) of your
code with the scan button.
"123"
5.
Press the am-fm button to enter the first three digits.
"000"
6.
Again, use seek to set the 4th digit (0-9) of your code.
"400"
7.
Set the last two digits (0-99) of your
code with the scan button.
"456"
8.
Press the am-fm button to enter the last
3 digits of your code.
"rEP"
9.
When "rEP" then "000" are displayed, repeat
"000"
Steps 3 through 8 of this procedure to enter
your code again before the display changes back
to clock. This confirms your customer code,
activates the theft deterrent, and
after step 8 displays the "SEC" to show the
"SEC"
theft deterrent has been activated. Any time
battery power is cycled and ignition is applied
the display will show "LOC" and need to be
"LOC"
unlocked by either your customer code or the
factory backup code.
To Display Radio Display Code
D.
To display Radio Display Code (Scrambled Backup Code)
IMPORTANT:In order to display this code, the radio should be in "LOC" mode or have "SEC" displayed before proceeding.
1.
Press and hold presets 2 and 3 for about 8
seconds until the first 3 digits of the display code
are displayed.
"123"
2.
Please write the number down.
"123"
3.
Press the am-fm button. The second 3 digits of
the display code are displayed.
"456"
4.
Please write the numbers down.
"456"
This display code can be unscrambled to get the factory backup code to unlock the radio by calling the Delco Phone number and entering the dis
Obtaining Factory Backup Code