Helps, within the system limits, to prevent unintentional departure from the lane. When the system is active and operational, and if the driver has not turned on the indicator, the lane departure warning performs corrective steering interventions to prevent the vehicle traversing from the lane. The driver may select an additional steering wheel vibration as desired. Operating range from approximately 37mph to a maximum of 155mph*.The emergency assist detects, within system limits, when the driver is inactive. When this happens, it warns the driver visually, acoustically, and haptically. If no response is received, the system takes over vehicle guidance and brings it to an automatic standstill in its own lane. This actuates pre sense protective measures and prepares the vehicles for occupant rescue. An automatic emergency call is placed if this feature is available.