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The blind spot monitor system is automatically disabled if either of the sensors become completely obscured. An amber indicator dot illuminates in the door mirror and the message centre displays the message BLIND SPOT MONITOR SENSOR BLOCKED.


Blockage testing initiates only when the vehicle's speed is above 10 km/h (6 mph). Testing takes at least 2 minutes of accumulated travelling above this speed to determine that the sensor is blocked.

When the sensors become blocked, check that there is nothing obscuring the rear bumper and that it is clear from ice, frost, and dirt.

When a fault with a radar sensor is detected, an amber warning indicator dot is displayed in the door mirror. The message centre displays the message BLIND SPOT MONITOR NOT AVAILABLE.


Even if the detected fault affects the radar sensor on only one side of the vehicle, the whole system is disabled. When the fault is temporary, the system operates correctly once the engine has been switched off and then on again.

When a fault in the system occurs, consult a retailer/authorised repairer.