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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 645 (Keyless Entry System) >> Repair Instructions >> Transmitter Battery Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Use the proper battery size or damage to the transmitter may result.
  1. Install a GM P/N 90541381 battery type or equivalent.
  2. Install the transmitter rear cover.
    Fig 1: Removing & Installing Transmitter Rear Cover & Battery
    GM439247Courtesy of GENERAL MOTORS CORP.
  3. Test the transmitter operation.