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

WARNING: This page is about a different car, the 2018 Lincoln MKC. 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 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 Blind Spot Information System (BLIS ®)/Cross Traffic Alert (CTA) chime sounds through the rear speakers.

The IPC receives the Cross Traffic Alert (CTA) left status, the Cross Traffic Alert (CTA) right status, side obstacle sensor status-left and the side obstacle sensor status-right request messages from the GWM over the HS-CAN3.

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

When a chime request is received, the IPC sends the IPC chime request message to the ACM and audio DSP (with THX ® audio system) to sound the chime.