Mazda 3 Sedan 2020 Owner's Manual page 364

When Driving
i-ACTIVSENSE
NOTE
The detection ability of the front side

radar sensor has limitations. In the
following cases, the detection ability
may lower and the system may not
operate normally.
The front bumper near the front

side radar sensor has become
deformed.
Snow, ice or mud adheres to the

front side radar sensor on the front
bumper.
Under bad weather conditions

such as rain, snow and fog.
Under the following conditions, the

front side radar sensor cannot detect
target objects or it may be difficult to
detect them.
Small motorcycles, bicycles,

pedestrians, animals, shopping
carts, and stationary objects on a
road or a road side.
Vehicle shapes which do not

reflect radar waves well such as
empty trailers with a low vehicle
height and sports cars.
Vehicles are shipped with the

direction of the front side radar
sensor adjusted for each vehicle to a
loaded vehicle condition so that the
front side radar sensor detect
approaching vehicles correctly. If the
direction of the front side radar
sensor has deviated for some reason,
have the vehicle inspected at an
Authorized Mazda Dealer.
For repairs or replacement of the

front side radar sensor, or bumper
repairs, paintwork, and replacement
near the radar sensors, consult an
Authorized Mazda Dealer.
4-210
The radar sensors are regulated by

the relevant radio wave laws of the
country in which the vehicle is
driven. If the vehicle is driven
abroad, authorization from the
country in which the vehicle is driven
may be required.