Mazda CX-9 2019 Owner's Manual page 318

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
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 flashes.
Multi-information Display
NOTE
If you have set the lane departure warning sound to the beep sound/rumble sound

setting, the warning sound may not be heard depending on the surrounding noise
conditions.
If you have set the lane departure warning system to the steering wheel vibrations setting,

the vibration may not be felt depending on the road surface conditions.
When the setting for the steering operation assist is changed to operational, the warnings

can be set to activate/not activate. (When the setting for the steering operation assist is
changed to non-operational, the warnings cannot be set to not activate.)
Refer to Setting Change (Personalization Features) on page 9-10.
The LAS & LDWS can be changed to the following settings regardless of whether the

steering operation assist has been set to operational/non-operational. Always check the
setting status when driving the vehicle and make setting changes if necessary.
Refer to Setting Change (Personalization Features) on page 9-10.
Steering wheel vibration: Strong/weak

Warning sound volume

Types of warnings (steering wheel vibration/beep sound/rumble sound

*
1 A rumble strip is a series of grooves in the road pavement surface positioned at specific
intervals, and when the vehicle passes over it a vibration and rumble sound is produced
which alerts the driver that the vehicle is departing from the lane.
4-158
*1
, or steering wheel vibration) is activated and the
Active Driving Display
*1
*1
)