Buick 1993 Skylark Owner's Manual page 133

Step 7. Rotate the TUNE knob right or left to make the
next two numbers agree with your code.
Step 8. Press the BAND AM-FM Knob and "000" will
appear. Now you are ready to enter the second three
digits of your code.
Step
9. Repeat steps 6 and 7 to enter digits.
Step 10. Press the AM-FM knob and "REP" will appear
for 5 seconds and then "000" will appear.
Step 11. Repeat steps 6 through 10. This time"SEC"
should appear indicating that the radio is secure. If the
display shows
"
-
- -
"
,
the verification steps .were not
successful and the entire sequence must be started again.
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 in the
display.
Enter your secret code as follows; pause no more than
15 seconds between steps.
Step 1. Turn the ignition ON. (Radio off.)
Step 2. Press the SET button. The display will show
"000".
Step 3. Enter the six digits of the code following steps 6
thru 9 as previously indicated. The display will show the
number as entered.
Step 4. Press the AM/FM button and the time appears
-
indicating that the disabling sequence was successful. If
the display indicates "SEC ", the number did not match
and the unit is still secured.
Disabling The Theft System
Step 1. Press preset buttons 1 and 4 for
5
seconds with
the ignition ON and radio power
OFF.
The display will
show,"SEC"
,
indicating the unit is in the secure mode.
Step 2. Press the SET button. The display will show
"000".
Step 3. Enter the first three digits of the code following
steps 6 and 7 of the preceding directions. The display
will show the numbers as entered.
Step 4. Press the AM-FM button. The radio will display
"000".
atep 5. Enter the second three digits of the code. The
display will show the numbers as entered.
Step 6. Press the AM-FM button. If the display shows
-
-
-
"
,
the disabling sequence was successful. (The
numbers matched the user-selected code or the factory
6 6