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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Symptom Troubleshooting - Blind Spot Monitoring System >> Foreword [Blind Spot Monitoring (BSM) System] >> Notes

Foreword [Blind Spot Monitoring (BSM) System]: Notes

WARNING:
  • The blind spot monitoring (BSM) is not a substitute for the driver in confirming safety. The driver is responsible for assuring the safety of lane changes and other maneuvers. Do not rely completely on the blind spot monitoring (BSM) and always confirm the safety around the vehicle visually before changing lanes.
  • Dirt, ice or snow adhering to the areas near the blind spot monitoring (BSM) control module could obstruct the radar and prevent the system from adequately or completely detecting a target vehicle. Always pay attention to the direction in which the vehicle is traveling and the vehicle's surroundings.
  • Do not block the area around the blind spot monitoring (BSM) control module on the rear bumper with foreign material (such as bumper stickers) so as not to affect the blind spot monitoring (BSM)'s functions.
  • Always have the blind spot monitoring (BSM) control module inspected at an Authorized Mazda Dealer if any shock or impact has occurred in the rear bumper area, even that from a minor accident. Otherwise, the blind spot monitoring (BSM) may not operate correctly.
  • The vehicle detection performance of the blind spot monitoring (BSM) system has limitations. Under the following conditions, the detection performance of the approaching vehicle may be lowered and the system may not operate normally.
    • A part of the rear bumper near the blind spot monitoring (BSM) control module is deformed.
    • The blind spot monitoring (BSM) control module installation position is largely deviated.
    • Ice, snow or dirt is adhering to a part of the rear bumper near the blind spot monitoring (BSM) control module.
    • The vehicle is driven in rain, snow, or fog.
    • The temperature near the blind spot monitoring (BSM) control module is excessively high such as when climbing an uphill road for a long period on a hot day.
    • The battery voltage is low
    • The vehicle is driven on a steep road.
    • The turning radius is small such as when making a sharp turn or turning at an intersection.
    • The height of the driving lane and the adjacent lane are different.
    • Right after switching the system conditions from stop to operation by pressing the Blind spot monitoring (BSM) off switch.
  • When towing a trailer or if something is equipped to the rear part of the vehicle such as a bicycle carrier, the radar may be interrupted and the system may not operate normally. When towing a trailer, or if something is equipped to the rear part of the vehicle such as a bicycle carrier, do not use the blind spot monitoring (BSM) system.
  • The warning may not be activated or delayed for the following vehicles/pedestrians:
    • Vehicles which are traveling at nearly the same speed as the detecting vehicle for long periods
    • Vehicles in an adjacent lane where the detecting vehicle is trying to pass.
    • Vehicles in an excessively wide adjacent lane
    • Vehicles changing lanes from a distant lane to an adjacent lane.
    • Vehicles with low body height such as sports cars, or vehicles with body shapes from which radar may not be reflected such as unloaded trailers.
    • Small motorbikes or bicycles
    • Pedestrians with a body height of less than 100 cm {39.4 in}
  • The blind spot monitoring (BSM) system may trigger the warning accidentally for the following objects:
    • Vehicles in a distant lane if the lane width is excessively narrow.
    • Objects on a road or road shoulder (such as guard rail, tunnel wall, street lights, and roadside trees)
  • If there is any vehicle malfunction complaint lodged by a customer, perform malfunction diagnosis according to the troubleshooting procedure.
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