Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The object alarm module commands ON the telltale assembly information center red indicator and disables the object detection system.
The object alarm module will send a serial data message to the instrument panel cluster (IPC) to display SERVICE PARK ASSIST message in the driver information center (DIC) and a chime will sound from the radio speakers.