Okay, so i know my code to unlock it and i know how to do it. But my little sister was messing with my radio before i remembered my code, and hit a button and now it'll say LOC but when i press the second button to imput the numbers, it says 'lnop' atleast thats what it looks like. I had a friend disconnect and reconnect the battery, that didnt work, he pulled the radio fuse and security fuse, and that didnt work either.. im wondering, do i need to take apart where my ashtray is to disconnect the radio? HELP PLEASE! i really dont want to go to a dealer!
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If the fuses are good then there may of been a chance that he also
messed up some of the wires just riping it out. Is it a aftermarket
radio that you are trying to install? You can but wire harnesses that
make installing new head units easier. The radio you are trying to hook
up may not work at all either. Check the fuses then make sure the
wires even the ones deep in the dash are still okay and not messed up
from him just yanking the radio out. Good luck
You will need to take the car to a dealership to have the service department unlock the radio for you. They have a special code to unlock the radio and then you are required to change the code to one that you will remember. An appointment should not be needed because this takes about 5 minutes. I do not remember the code, sorry.
First you need to get a number code from the radio. Hit the number 2 and 3 preset buttons at the same time, after 5-10 second a 2 or 3 digit number will appear. Write down then hit the am/fm button for the 2nd half of the number. Once you have it call GM, 1-800-537-5140, when prompted hit 102107*, the automated voice will ask for the code previously gotten for the radio . (ie; 123456*) It will then give the 3 or 4 digit unlock code. Note this is for Delco radios on Chevrolets. I'm guessing there is a different prompt for radios on other GM divisions.
If you have the Delta stereo (with the power/volume knob in the middle), you need to hold the "DX" and "FM1/2" buttons simultaneously. Hold them down for a few seconds, and SAFE will be replaced with numbers. Use the radio preset keys (1-4 I believe) to enter each number. When the code is successfully input, hold down the DX and FM1/2 buttons again, and the stereo will start to work.
If you mess up entering the code, you can try again. If you mess up a second time, you have to leave the stereo off and the key turned on in the ignition for an hour to allow you two more tries.
I wasn't even aware there was such a thing. All I know is the the door unlock code should be printed on a label that is stuck to the trunk hinge. My sister had a Cougar that she bought used and didn't know the code for the doors and the dealership told her that there is no way to recover that code anywhere and it would cost a couple of hundred dollars to change it.