Parking Aid Audible Alert

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.

When an object has been detected by the front or rear parking aid system, the PAM sends the parking aid chime request and audio mute request messages to the IPC. The IPC performs an arbitration function to prioritize the chime, then sends the IPC chime request message to the ACM (without THX ® audio) or DSP module (with THX ® audio) to reduce the current audio volume and sound the parking aid chime through the appropriate audio system speakers.

The alert tone frequency increases as the vehicle gets closer to an obstacle. When an object is detected within 30 cm (12 in) of the sensors, the alert tone becomes continuous. Objects detected outside the continuous tone area to the side of the vehicle generate a warning tone for 3 seconds. If objects are detected by the front and rear parking aid sensors, the warning tones are prioritized to the closest object (front or rear). If the front and rear objects are located the same distance from the vehicle, the rear object is prioritized.

NOTE: When a trailer is electrically connected to the vehicle, the rear parking aid audible alert is disabled.