Mazda 3 2019 Owner's Manual page 286

When Driving
i-ACTIVSENSE
In the following cases, the CTS cancel indication is displayed and a sound is activated one
time.
The DSC has operated.

The Smart Brake Support (SBS) has operated.

The vehicle is driven on a downslope for a long time.

There is a problem with the system.

The front radar sensor cannot detect target objects (during rain, fog, snow or other

inclement weather conditions, or when the radiator grille is dirty).
The parking brake is applied.

Any of the doors is opened.

The driver's seat belt is unfastened.

(Automatic transmission vehicle)

The parking brake is automatically applied during stop hold control.
(Manual transmission vehicle)

The vehicle speed decreases below 25 km/h (15 mph).

The shift lever is in the neutral position for a certain period of time.

The clutch pedal is depressed for a certain period of time.

The engine has stalled.

Steering assist function
If any of the following conditions occurs, the steering assist function is temporarily
canceled.
White (yellow) lane lines cannot be detected or a vehicle ahead cannot be recognized.

CANCEL switch is pressed.

Your vehicle speed is more than about 64 km/h (40 mph).

The brake pedal is depressed.

The accelerator pedal is operated.

The turn signal lever is operated.

The vehicle is making a sharp curve.

The width of a lane is excessively narrow or wide.

The vehicle crosses a lane line.

(Automatic transmission vehicle)

The selector lever is in the P, N, or R position.
(Manual transmission vehicle)

The shift lever is in the R position.
In the following cases, the CTS cancel indication is displayed and a sound is activated one
time.
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