If it says loc you have to remove power for an hour until it flashes a 4 line. to get a code you then have to hold down the 3/4 buttons until it displays...then call your dealer with that code.
I own a Saturn L300 - we even called the Saturn dealer - the best thing to do is to scrap the old radio and have a new one installed. Whether you choose to do that through the Saturn dealer or...
I guess there is no way for you to find the code from a previous owner. Other than that, I know of two ways. The first is to take the car to a GM dealership. I'm told that they can help you, but will...
With all the vehicles i have had, the intructions were in the owners manual for the car. If You haven't already checked.
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The instructions in the manual are not completely correct. The procedure...
try this website below (copy & paste). worked for my daughter's radio. do a web search and there are several that won't ask for $$ to furnish codes. good...