1998 Cadillac Seville STSFACTORY OEM SERVICE PROCEDURE

Status Lights Display

WARNING: This page is about a different car, the 1997 Cadillac Seville, 1997 Cadillac Eldorado, and 1997 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Upon entering PZM level of diagnostic mode, indicator lights on Climate Control Panel (CCP) are used to indicate status of certain inputs and operating modes. Operational status of these components is indicated by corresponding status light being on or off. See Fig 1 and Fig 2 .

Fig 1: Identifying PZM Status Indicators Analog IPC
G95D35173Courtesy of GENERAL MOTORS CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.