Functions and Activation Conditions
Lane departure warning monitors the area in front of the vehicle with a camera that is on the top of the windshield. When lane departure warning is activated and it detects lane markings on the road surface, it warns the driver that they may be leaving the lane unintentionally.
Lane departure warning issues warnings if the speed is above approximately 37 mph (60 km/h).
When driving over lane markings unintentionally, the volume of audio equipment like the radio and/or hands-free systems is reduced, and a direction-related "rumble-strip noise" sounds from the left or right overhead speaker.
Note: The Detroit Assurance LDW system is designed to warn the driver as the vehicle crosses the outer boundary of the lane marking. This may differ from other LDW systems which issue a warning as the driver approaches the inside of the lane marking. If the system warns at, or just beyond the outer edge of the lane marking, the system is performing as designed. If the warning does not occur, or occurs after an excessive lane departure, the system may not be operating properly.
Lane departure warning does not issue a warning if:
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the turn signals are switched on;
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there is braking or acceleration; or
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a driving safety system such as ABA, Stability Control, or ACC intervenes.
Lane departure warning will issue a warning if a turn signal has been switched on for more than 1 minute.