Front Side Radar Sensor - Mazda 3 2019 Owner's Manual

When Driving
i-ACTIVSENSE
Narrow lane roads due to road

construction or lane closures.
The vehicle ahead enters the radar

sensor's blind spot.
The vehicle ahead is running

abnormally due to accident or vehicle
damage.
Roads with repeated up and down

slopes
Driving on poor roads or unpaved

roads.
The distance between your vehicle

and the vehicle ahead is extremely
short.
A vehicle suddenly comes close such

as by cutting into the lane.
To prevent incorrect operation of the

system, use tires of the same specified
size, manufacturer, brand, and tread
pattern on all four wheels. In addition,
do not use tires with significantly
different wear patterns or tire pressures
on the same vehicle (Including the
temporary spare tire).
If the battery power is weak, the system

may not operate correctly.
When driving on roads with little traffic

and few vehicles ahead or obstructions
for the front radar sensor to detect,
"Safety and Driver Support Systems
Temporarily Disabled. Front Radar
Obscured. Drive Safely" may be
temporarily displayed, however, this
does not indicate a problem.
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.
4-204
*Some models.

Front Side Radar Sensor

▼ Front Side Radar Sensor
Your vehicle is equipped with front side
radar sensor. The following systems also
use the front side radar sensor.
Front Cross Traffic Alert (FCTA)

The front side radar sensor function by
detecting the radio waves reflected off a
vehicle approaching from the front or an
obstruction sent from the radar sensor.
1. Front side radar sensor
The front side radar sensor are installed
inside the front bumper, one each on the
left and right sides.
Always keep the surface of the front
bumper near the front side radar sensor
clean so that the front side radar sensor
operate normally. Also, do not apply items
such as stickers.
Refer to Exterior Care on page 6-43.
CAUTION
If the front bumper receives a severe
impact, the system may no longer operate
normally. Stop the system immediately and
have the vehicle inspected at an
Authorized Mazda Dealer.
*