Driver Attention Warning (DAW) is a feature of some advanced driver assistance systems that alerts the driver when it detects signs of drowsiness or inattention. DAW uses sensors to monitor the driver's eyes and other cues to determine when they may be becoming tired or distracted. If DAW detects these signs, it will emit an audible warning and/or display a message on the instrument panel to prompt the driver to take a break.
DAW is designed to help reduce accidents caused by drowsy or distracted driving. It can be especially useful for long-distance drivers who may be at increased risk for fatigue. However, DAW is not a substitute for good driving habits; drivers should always stay alert and rested, and never drive while under the influence of drugs or alcohol.