Mazda 3 Sedan 2020, Owner'S Manual

Page: 316 / 628

NOTE

The vehicle posture changes
depending on the accelerator pedal,
brake pedal and steering wheel
operations, which could make it
di ffi cult for the system to recognize
an obstruction, or it could facilitate
unnecessary detection. In such cases,
the SBS - R may or may not operate.

The SBS - R system will operate under
the following conditions.

The engine is running for 3 seconds
or more.

The shift lever (manual
transmission vehicle) or the
selector lever (automatic
transmission vehicle) is in the R
(reverse) position.

i-ACTIVSENSE warning indication/
warning light is not displayed in the
multi-information display.

The vehicle speed is between
about 2 to 8 km/h (2 to 4 mph).

The SBS - R is not turned o ff .

The DSC is not malfunctioning.

In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions and the
SBS - R may not operate.

The height of the obstruction is
low such as low walls or trucks
with low loading platforms.

The height of the obstruction is
high such as trucks with high
loading platforms.

The obstruction is small.

The obstruction is thin such as a
signpost.

The surface of the obstruction is
not pointed vertically relative to
the vehicle.

The obstruction is soft such as a
hanging curtain or snow stuck to a
vehicle.

The obstruction is shaped
irregularly.

The obstruction is extremely close.

In the following cases, the rear
ultrasonic sensor and rear camera
cannot detect obstructions correctly
and the SBS - R may not operate.

Something is stuck on the bumper
near a rear ultrasonic sensor.

The brake or accelerator pedal is
operated.

There is another obstruction near
one obstruction.

During inclement weather such as
rain, fog and snow.

High or low humidity.

High or low temperatures

Strong winds.

The path of travel is not fl at.

Heavy luggage is loaded in the
luggage compartment or on the
rear seat.

Objects such as a wireless antenna,
fog light, or illuminated license
plate is installed near a rear
ultrasonic sensor.

The orientation of a rear ultrasonic
sensor has deviated for reasons
such as a collision.

The vehicle is a ff ected by other
sound waves such as the horn,
engine noise, ultrasonic sensor of
another vehicle.

In the following cases, a rear
ultrasonic sensor and rear camera
may detect something as a target
obstruction which could cause the
SBS - R system to operate.

There is a steep slope or bump.

There are wheel blocks or a
curbstone.

There are hanging curtains, gate
poles such as at toll gates and
railroad crossing.
When Driving
i-ACTIVSENSE
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Mazda3_8JM2-EA - 20H_Edition3_new 2020-12-3 18:39:35