Mazda CX-3 Owner's Manual page 205

When Driving
Start/Stop Engine
Note that the vehicle may move suddenly after the vehicle roll prevention function is
released while the vehicle is under the following conditions:
The selector lever is in the N position.
If the selector lever is shifted to the N position and the brake pedal is released while the
i-stop function is operating, the brake force is gradually released. To accelerate the
vehicle, release the brake pedal after the engine restarts and shift the selector lever to a
position other than the N position.
NOTE
When the vehicle is stopped on a steep grade, the vehicle roll prevention function does not
operate because engine idling is not stopped.
The brake pedal response may change, sound may occur from the brakes, or the brake
pedal could vibrate from the operation of the vehicle roll prevention function. However,
this does not indicate a malfunction.
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CX-3_8GT4-EE-18D_Edition8_old 2019-11-14 12:53:52