Mazda CX-52017 Owner's Manual page 232

When Driving
i-ACTIVSENSE
WARNING
Always check the surrounding area visually before making an actual lane change:
The system is only designed to assist you in checking for vehicles at your rear when making a
lane change. Due to certain limitations with the operation of this system, the Blind Spot
Monitoring (BSM) warning indicator light, the warning sound and the warning screen
indicator display may not activate or they might be delayed even though a vehicle is in an
adjacent driving lane. Always make it your responsibility as a driver to check the rear.
NOTE
The Blind Spot Monitoring (BSM) will operate when all of the following conditions are

met:
The ignition is switched ON.

The Blind Spot Monitoring (BSM) OFF indicator light in the instrument cluster is

turned off.
The vehicle speed is about 10 km/h (6.3 mph) or faster.

The Blind Spot Monitoring (BSM) will not operate under the following circumstances.

The vehicle speed falls below about 10 km/h (6.3 mph) even though the Blind Spot

Monitoring (BSM) OFF indicator light is turned off.
The selector lever is shifted to reverse (R) and the vehicle is reversing.

The turning radius is small (making a sharp turn, turning at intersections).

In the following cases, the Blind Spot Monitoring (BSM) OFF indicator light turns on and

operation of the system is stopped. If the Blind Spot Monitoring (BSM) OFF indicator
light remains illuminated, have the vehicle inspected at an Authorized Mazda Dealer as
soon as possible.
Some problem with the system including the Blind Spot Monitoring (BSM) warning

indicator lights is detected.
A large deviation in the installation position of a radar sensor (rear) on the vehicle has

occurred.
There is a large accumulation of snow or ice on the rear bumper near a radar sensor

(rear). Remove any snow, ice or mud on the rear bumper.
Driving on snow-covered roads for long periods.

The temperature near the radar sensors (rear) becomes extremely hot due to driving for

long periods on slopes during the summer.
The battery voltage has decreased.

Under the following conditions, the radar sensors (rear) cannot detect target objects or it

may be difficult to detect them.
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