Rosacea - Symptoms. Rosacea causes a range of symptoms, although not everyone will experience them all. Most people with rosacea have periods when their symptoms are particularly troublesome, followed by periods when their symptoms are less so.
Most motion detectors have a built-in override: 1  Normally the switch is kept on all the time. 2  If you turn the switch off and on within a second or so, the light will stay on, and this overrides motion detection. 3  To go back to normal operation, turn the switch off and wait ~10 seconds, then turn back on.
Pedestrian Detection. Uses advanced sensors to detect human movements; some versions may urgently apply the brakes if the driver fails to respond. What It Does: Alerts the driver or automatically brakes if there is a pedestrian in the path between a certain speed rangeâgenerally around 25 mph. What It Does Not Do: Steer.