Brake Warning Indicator

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The IPC illuminates the brake indicator when the following occurs:

The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.
The body control module (BCM) detects that the park brake is engaged. The IPC receives a class 2 message from the BCM requesting illumination.
The body control module (BCM) detects that the master cylinder brake fluid reservoir level is low. The IPC receives a class 2 message for the BCM requesting illumination.
In the event of a Dynamic Rear Proportioning (DRP) failure.