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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1199 (Entertainment System) >> Description and Operation >> Radio/Audio System Operation-Theftlock >> Radio Theft-Deterrent, Radio Display Code

Radio Theft-Deterrent, Radio Display Code

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Important:  In order to display this code the radio should be in LOC mode or have SEC displayed before proceeding. Pause no more than 15 seconds between steps:

  1. Press and hold push button numbers 2 and 3 for about 6 seconds until the first 3 digits of the display code appear.
  2. Write the numbers down.
  3. Press AM/FM to display the second set of 3 digits.
  4. Write the numbers down.

After approximately 5 seconds, or if another button is pressed, the display returns to LOC. The display code must be unscrambled to get the factory backup code which unlocks the radio. Refer to Radio Theft-Deterrent, Factory Backup Code.