If the driver then uses the turn signal, the indicator flashes and an audible warning sounds. (infinitiusa.com)
There's an equally thorough number of settings for each system, which allows for a wide range of customizable warning sounds and timing. (pcmag.com)
If the camera and its related software detect the car leaving the boundaries of its lane, an indicator light comes on and an audible warning sounds. (autofile.ca)