Adaptive Cruise Control (ACC) Warning Chime

The adaptive cruise control warning chime supplements the message center displays to draw the driver's attention to the need to intervene and take control of the vehicle. There are 2 levels of chime output (high priority and low priority) based upon the nature and urgency of the warning. The IPC sounds the appropriate warning chime when the IPC receives adaptive cruise control warning (high priority chime) or cruise control status (low priority chime) message from the C-CM  .

The low priority adaptive cruise control warning chime is a single-tone chime that sounds to alert the driver that the adaptive cruise control system has shut itself off due to low vehicle speed (approximately 32 kmh (19.9 mph)) and the driver needs to intervene if further braking is required or to resume the adaptive cruise control operation.

The high priority adaptive cruise control warning chime is also a single tone chime that is longer than the low priority chime. The chime increases in intensity and alerts the driver that the vehicle is approaching the vehicle ahead at a faster rate than the adaptive cruise control system can brake the vehicle and that the driver needs to apply the brakes to slow the vehicle down.