they can be limited by the weather and visibility of the road marking. However advances in camera technology and the calculation algorithms have resulted in systems that can compensate for adverse road conditions.
When the system cannot detect lane markings, the warning will not activate. Additionally, under some conditions, lane markings may be mistakenly detected, causing a false warning. When operating the vehicle, drivers should always pay close attention to their surroundings. It is the responsibility of the driver to take appropriate actions including course corrections.