Mazda 2016 CX3 Owner's Manual page 207

WARNING
Always check the surrounding area visually before actually putting the vehicle in
reverse:
The system is only designed to assist you in checking for vehicles at the rear when putting
the vehicle in reverse. Due to certain limitations with the operation of this system, the
Blind Spot Monitoring (BSM) warning light may not fl ash or it might be delayed even
though a vehicle is behind your vehicle. Always make it your responsibility as a driver to
check the rear.
NOTE
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
lights has occurred.
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).
Driving on snow-covered roads for long periods.
The temperature near the radar sensors becomes extremely hot due to driving for long
periods on slopes during the summer.
The battery voltage has decreased.
I n f o r ma t i o n P r o v i d e d b y :
When Driving
i-ACTIVSENSE
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