Look in the owners manual as I believe there is a procedure there. I think I
saw something in my 'burbs manual about this. There should be as there are
times a batt. can go stone dead with no warning (had 4 Interstate batts. do
it to me cause the posts came off the plate connectors so I do believe they
show how to do it.
Do this first
1. Press and hold presets 2 & 3 or 1&4 for about 10 seconds until the
first 2 or 3 digits of the display code are displayed.
2. Write the numbers down.
3. Press the AM/FM button; write down the next 2 or 3 numbers.
Unlock Code do this next:
Go back to the car, Do this:
1 Press the HR button and set the first 2 or 3 numbers.
2 Press Minute button and set the next 2 or 3 last numbers.
3 Press AM/FM button, SEC "-----"should be displayed.
4 You can now turn the radio on.
If your Radio say "InOP"
This means too many wrong codes have been entered and the radio must
be left power up for 1 hour with battery and ignition applied before 3 more
attempts can be made.
If the instructions I sent do not work-
goto alt.autos.gm NG and post your question, I have seen the answer posted
there with all the step by step instructions on how to retrieve them and how
to turn the radio back on-
There are may sites that offer this help also, just do a goggle or yahoo.
When you post question be clear on car- year- and make, some models have
quarks on how they reset,
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