Chevrolet corvette 2002 User Manual

1. Write down any three or four

-

digit number from 

000 to 1999 and keep it in a safe place separate 
from the vehicle.

2. Turn the ignition to ACC or ON.

3. Turn the radio off.

4. Press the 1 and 4 pushbuttons at the same time. 

Hold them down until 

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 shows on the display. 

Next you will use the secret code number which 
you have written down.

5. Press MN and 000 will appear on the display.

6. Press MN again to make the last two digits agree

with your code.

7. Press HR to make the first one or two digits agree

with your code.

8. Press AM FM after you have confirmed that the 

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.

Enter your secret code as follows; pause no more than
15 seconds between steps:

1. Turn the ignition on. LOC will appear on the display.

2. Press MN and 000 will appear on the display.

3. Press MN again to make the last two digits agree

with your code.

4. Press HR to make the first one or two digits agree

with your code.

5. Press AM FM after you have confirmed that the 

code matches the secret code you have written down.
The display will show SEC, indicating the radio is
now operable and secure.

If you enter the wrong code eight times, INOP will
appear on the display. You will have to wait an hour with
the ignition on before you can try again. When you try
again, you will only have three chances to enter the
correct code before INOP appears.

If you lose or forget your code, contact your dealer.