Mazda CX-9 2016 Owner's Manual page 275

When Driving
i-ACTIVSENSE
Lane Departure Warning
If the system determines that the vehicle may deviate from its lane, the lane departure
warning (beep sound, rumble sound , or steering wheel vibration) is activated and the
*1
direction in which the system determines that the vehicle may deviate is indicated in the
multi-information display and the active driving display.
If the system determines that the vehicle may deviate from its lane, the color of the lane line
on the side being detected by the system changes from white to amber, and ashes.
Multi-information Display Active Driving Display
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