Blind Spot Information System (BLIS)/Cross Traffic Alert (CTA) Warning Chime

WARNING: This page is about a different car, the 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The Blind Spot Information System (BLIS)/Cross Traffic Alert (CTA) warning chime sounds to alert the driver that a vehicle has been detected or that there is a system fault. The Blind Spot Information System (BLIS)/Cross Traffic Alert (CTA) warning chime sounds a 0.25-second chime continuously until the request is ended. The active park assist chime sounds through the rear speakers.

The IPC receives the Cross Traffic Alert (CTA) left status, the Cross Traffic Alert (CTA) the right status, side obstacle sensor status-left and the side obstacle sensor status-right request messages from the GWM over the High Speed Controller Area Network 3 (HS3-CAN).

The GWM receives the Cross Traffic Alert (CTA) left status, the Cross Traffic Alert (CTA) the right status, side obstacle sensor status-left and the side obstacle sensor status-right request messages from the SODL and SODR over the Medium Speed Controller Area Network (MS-CAN).

When a chime request is received, the IPC sends the IPC chime request message to the ACM and DSP to sound the chime.