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07 Driver support 07 222 Driver Alert System The Driver Alert System is designed to help a driver who may be becoming fatigued or who is inadvertently leaving the lane. Introduction ent functions that can be switched on together or separately. • Driver Alert Control (DAC), see Driver Alert Control (DAC) – introduction • Lane Departure Warning (LDW), see Lane Departure Warning (LDW) – intro- When one or both of the functions has been switched on, it is in standby mode and is acti- vated when the vehicle exceeds a speed of 40 mph (65 km/h). speed goes under 37 mph (60 km/h). ent on the road/lane being clearly marked by painted lines on each side. WARNING The Driver Alert System does not function in all situations and is designed to be a supplementary aid. It is not, however, intended to replace the driver’s attention and judgement. Driver Alert Control (DAC) – introduction DAC is intended to alert the driver if his/her driving becomes erratic, such as if the driver is distracted or fatigued. DAC is designed to help detect a slowly changing driving pattern. It is primarily intended to be used on main roads and is not meant for use in city traffic. A camera monitors the painted lines marking the lane in which the vehicle is traveling and compares the direction of the road with the driver’s movements of the steering wheel. The driver is alerted if the vehicle does not follow the lane smoothly. The camera has certain limitations, see Adaptive Cruise Control – limitations WARNING • DAC is not intended to extend the duration of driving. Always plan breaks at regular intervals to help remain alert. • A warning from DAC should not be ignored. A driver may not be aware of how fatigued he/she has become. • In certain cases, fatigue may not affect the driver’s behavior. In situations of this type, no warning will be provided. Therefore, it is important to take breaks at regular intervals, regardless of whether or not DAC has given a warning. Related information • Driver Alert Control (DAC) – function • Driver Alert Control (DAC) – operation • Driver Alert Control (DAC) – limitations • |