Garmin Dash Cam 57 Owners Manual - Page 14
Lane Departure Warning System, Lane Departure Warning Performance Tips
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Lane Departure Warning System WARNING The lane departure warning system (LDWS) feature is for information only and does not replace your responsibility to observe all road and driving conditions, abide by all traffic regulations, and use safe driving judgment at all times. The LDWS relies on the camera to provide warnings for lane markers and, as a result, may have limited functionality in low visibility conditions. For more information, go to garmin.com/warnings. The LDWS feature alerts you when the device detects you may be crossing a lane boundary unintentionally. For example, the device alerts you if you cross some solid painted lane boundaries. The LDWS feature provides alerts only when your vehicle speed exceeds 64 km/h (40 mph). The alert appears on the left or right side of the screen to indicate which lane boundary you crossed. NOTE: For the best LDWS performance, you should set the Camera Placement option to indicate the location of the device in your vehicle. Lane Departure Warning Performance Tips Several factors affect the performance of the lane departure warning system (LDWS). Some conditions may prevent the LDWS feature from detecting lane departures. • The LDWS feature provides alerts only when your vehicle speed exceeds 65 km/h (40 mph). • The LDWS feature may not function properly if the camera is incorrectly aligned. • The LDWS feature may not function properly if the camera placement settings do not correctly indicate your vehicle height or the placement of your device in the vehicle (Setting the Camera Placement, page 4). • The LDWS feature requires a clear, continuous view of the lane divider lines. ◦ Lane departures may not be detected when divider lines are obscured by rain, fog, snow, extreme shadows, sun or headlight glare, road construction, or any other visual obstruction. ◦ Lane departures may not be detected if lane divider lines are misaligned, missing, or heavily worn. • The LDWS feature may not detect lane departures on extremely wide, narrow, or winding roads. 10 Driver Awareness Features and Alerts