Question about 1997 Oldsmobile Achieva
Bought the car used. Battery was dead. Once replaced noticed the radio was in the loc mode. How do I unlock it?
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.
Posted on Jan 10, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
You can get some one that has a Tech2 Scan Tool at do a radio set-up and this will unlock it.
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