Mazda 6 Manual page 230

When Driving
i-ACTIVSENSE
NOTE
The system is only designed to assist you in checking for vehicles at your rear when making a lane
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change. Due to certain limitations with the operation of this system, the Blind Spot Monitoring
(BSM) warning light may not flash or it 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.
The ignition is switched ON.
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The Blind Spot Monitoring (BSM) switch is pressed and the Blind Spot Monitoring (BSM) OFF
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indication/indicator light in the instrument cluster is turned off.
The vehicle speed is about 10 km/h (6.3 mph) or faster.
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The Blind Spot Monitoring (BSM) system will not operate under the following circumstances.
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The vehicle speed falls below about 10 km/h (6.3 mph) even though the Blind Spot Monitoring
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(BSM) OFF indicator light is turned off.
The shift lever (manual transaxle)/selector lever (automatic transaxle) is shifted to reverse (R)
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and the vehicle is reversing.
In the following cases, the Blind Spot Monitoring (BSM) OFF indicator light turns on and
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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 is
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detected.
A large deviation in the installation position of a radar sensor (rear) on the vehicle has
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occurred.
There is a large accumulation of snow or ice on the rear bumper near a radar sensor (rear).
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Remove any snow, ice or mud on the rear bumper.
Driving on snow-covered roads for long periods.
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The temperature near the radar sensors (rear) becomes extremely hot due to driving for long
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periods on slopes during the summer.
The battery voltage has decreased.
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The radar sensors may not detect all types of vehicles around your vehicle, especially the
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following types of vehicles:
Motorcycles
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Vehicles with body shapes that radar may not reflect such as a flatbed trailer with no cargo.
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Vehicles with lower body height such as sports cars.
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Under the following conditions, the radar sensors (rear) cannot detect target objects or it may be
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difficult to detect them.
A vehicle is in the detection area at the rear in an adjacent driving lane but it does not
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approach. The Blind Spot Monitoring (BSM) system determines the condition based on radar
detection data.
A vehicle is traveling alongside your vehicle at nearly the same speed for an extended period of
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time.
Vehicles approaching in the opposite direction.
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A vehicle in an adjacent driving lane is attempting to pass your vehicle.
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A vehicle is in an adjacent lane on a road with extremely wide driving lanes. The detection
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area of the radar sensors (rear) is set at the road width of expressways.
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