Mazda Mazda3 2019 Owner's Manual page 272

When Driving
i-ACTIVSENSE
Your vehicle is moving and less than about 55 km/h (34 mph).

White (yellow) lane lines on both sides are detected and you are driving near the centre of

the lane, or your vehicle detects a vehicle ahead.
The steering wheel is not turned sharply.

The direction indicator lever is not operated.

The headway control function is operating.

(Manual transmission vehicle)

The vehicle speed is about 30 km/h (19 mph) or faster.
NOTE
The steering assist function operates so that the vehicle remains near the centre of the
driving lane, however, depending on conditions such as the road curvature, road slope and
undulations, and vehicle speed, the function might not be able to keep the vehicle near the
centre of the driving lane.
Setting method
1. CANCEL switch
2. RES switch
3. CTS switch
1. Press the CTS switch.
The CTS standby indication (white) turns on. In addition, the CTS display indication is
displayed on the multi-information display at the same time.
2. Adjust the vehicle speed to the desired setting using the accelerator pedal and press the
RES switch up (SET+) or down (SET-) to start headway control.
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