Mazda 3 2018, Owner'S Manual

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
In the following case, the flashing of the BSM warning indicator light, and the activation
of the warning sound and the warning screen indicator display may not occur or they may
be delayed.

A vehicle makes a lane change from a driving lane two lanes over to an adjacent lane.

Driving on steep slopes.

Crossing the summit of a hill or mountain pass.

When there is a difference in the height between your driving lane and the adjacent
lane.

Directly after the BSM system becomes operable by changing the setting.

If the road width is extremely narrow, vehicles two lanes over may be detected. The
detection area of the radar sensors (rear) is set according to the road width of
expressways.

The BSM warning indicator light may turn on and the vehicle detection screen may be
displayed in the display in reaction to stationary objects (guardrails, tunnels, sidewalls,
and parked vehicles) on the road or the roadside.
The walls at the entrance and exits of tunnels,
turnouts.
Objects such as guardrails and concrete walls
running alongside the vehicle.
Places where the width between guardrails or
walls on each side of the vehicle narrows.

A BSM warning indicator light may flash or the warning beep and the warning screen
indicator display may be activated several times when making a turn at a city
intersection.

Turn off the BSM while pulling a trailer or while an accessory such as a bicycle carrier is
installed to the rear of the vehicle. Otherwise, the radar’s radio waves will be blocked
causing the system to not operate normally.

In the following cases, it may be difficult to view the illumination/flashing of the BSM
warning indicator lights equipped on the door mirrors.

Snow or ice is adhering to the door mirrors.

The front door glass is fogged or covered in snow, frost or dirt.
When Driving
i-ACTIVSENSE
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Mazda3_8GE4-EA-17F_Edition1 2017-4-7 11:59:21