GM Service Manual Online
For 1990-2009 cars only

Brake System Indicator

The IPC illuminates the brake indicator when the following occurs:

    • The IPC detects a low brake fluid condition. The IPC receives a discrete input from the brake fluid level switch requesting illumination.
    • The IPC detects the park brake is engaged. The IPC receives a discrete input from the park brake switch requesting illumination.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.