Rear Cross Traffic Alert (RCTA) Warning Sound Does Not Activate: Outline

REAR CROSS TRAFFIC ALERT (RCTA) WARNING SOUND DOES NOT ACTIVATE DESCRIPTION AND POSSIBLE CAUSE

Description	The rear cross traffic alert (RCTA) warning sound is not activated even though the rear cross traffic alert (RCTA) warning indicator light is flashing.
Possible cause	Personalization feature not set Connectivity master unit (CMU) malfunction Rear side radar sensor malfunction