How to Unlock a Chevy Radio
by Aram Khayatpour Rafael Andrade/Demand Media
Whenever a Chevy radio loses power, whether because of a dead battery or a disconnection, it will proceed to lock itself before it can be reused. In order to use this radio, you must go through a certain procedure that will enable you to unlock it. Unlocking a Chevy radio is done by extracting certain information from the unit, and then using that information to find and input the unlock code. All of this can be done without any tools.
Step 2

Press down on preset numbers two and three until a three-digit number displays on the radio. Write this number down.
Step 3

Push the AM/FM button and a new three-digit number will display. Write this number down to the right of the original number, to create a new six-digit number.
References
- "2005 Chevrolet Silverado Owner's Manual"; General Motors; 2004.
- "2009 Chevrolet Malibu Onwer's Manual"; General Motors; 2008.