If you don't have the radio code with the manual you will have to go to the dealer and get the radio code.
If you dont have the stiker in your oners manule that has the coad.You will need to get the sierial number off the radio and call the deeler to get it.
its a security feature and you will need the radio code to unlock it.
whats number do i put in to unlock radio is it security code or radio code to unlock radio?
go to this website http://www.w-body.com/forum/index.php/topic,31841.0.html
You might try 33343. It is the one I use for my 1991 model
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You need the radio unlock code in the radio manual
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The unlock code for the radio is different for every radio. You will need to find the serial number on the radio and call the dealer for the unlock code.
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