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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.
The rumble sound is a reproduction of the sound which occurs when a vehicle passes
over a rumble strip.
Rumble
Groove
When Driving
i-ACTIVSENSE
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Mazda6_8FH2-EA-16F_Edition4
2017-4-10 11:03:49