LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1143 (Entertainment System) >> Description and Operation >> Radio/Audio System Description and Operation >> Theft Deterrent Feature >> Changing the Customers Code
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Changing the Customers Code

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

In order to change the customers code perform the following:

  1. Unlock the radio.
  2. Ensure there is no customer code currently stored in the radio.

    In order to determine whether or not there is a customers code stored:

  3. Press and hold the pushbuttons 1 and 4 until the display changes.
  4. If SEC is displayed, there is a customers code stored. Remove the stored code. Refer to Removing the Customers Code . If " " " is displayed there is no code stored and a new code can be added.