CAUTION
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The UMS operation may be cancelled when the system judges the handle operation as evasive actions or when the obstacle moves out of the detectable area
of the sensor.
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The UMS may be triggered in the following situations.
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When water, snow or sand on the road are extorted by the vehicle in front or an oncoming vehicle.
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When there are objects, steps or projections on the road surface.
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When the parking gate or railway barrier is raised imperfectly.
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When running the road, the gradient changes suddenly.
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When passing through the mass of the steam, fog or smoke.
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When driving in close to the vehicle ahead, and when stopping in close to the forward/ backward vehicle or a wall.
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When there is an obstacle in a curb or an intersection.
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When your vehicle joins the main line from parallel parking.
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When there is a ultrasonic near your vehicle by horn of other vehicle, engine sound of a motorcycle, air brake noise of a large vehicle, a vehicle detector
and sonar of a vehicle etc.
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When an electrical equipment on the market (radio antenna etc.) is installed near the sensor.
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When driving on a gravel road.
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When the surrounding area is overgrown with weeds.
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Turn off the system by pressing the FCM and UMS ON/OFF switch beforehand when the vehicle is placed in any of the following situations as the system
can operate unexpectedly.
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When getting out from a road groove or a mud.
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When using an automatic car wash.
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When an elevator for vehicle or a mechanical parking is used.
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When your vehicle’s wheels are driven by the motor on a lift.
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When your vehicle is towed or your vehicle tows another vehicle.
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When your vehicle is carried on a truck.
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When driving on a circuit.
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When your vehicle is on a chassis dynamometer or free rollers.
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When the tyre pressure is not correct.
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When snow traction device (tyre chains) are attached.
Ultrasonic misacceleration Mitigation System (UMS)*
7-80
OGGE19E1
Starting and driving
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