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Z4の取扱説明書・マニュアル [全248ページ 7.63MB]

Controls 77ReferenceAt a glanceDriving tipsCommunicationsNavigationEntertainmentMobilityTechnology for driving comfort and safetyPark Distance Control PDC*The conceptThe PDC assists you with maneuvering in tight parking spaces. Acoustic signals and a visual indicator warn you of the presence of an object in front of* or behind your vehicle. To measure the distance, there are four ultrasonic sensors in either bumper.These sensors have a range of approx. 6.5 ft/2 m. However, an acoustic warning does not sound until an object is approx. 24 in/60 cm from the corner sensors, or approx. 5 ft/1.50 m from the center sensors.PDC is a parking aid that can indicate objects when they are approached slowly, as is usually th e case when parking. Avoid approaching an obje ct at high speed, oth-erwise physical circumstances may lead to the system warning being issued too late. <Switching on automaticallyWith the engine running or the ignition switched on, the system is activated after approx. 1 sec-ond when you engage reverse gear or move the automatic transmission selector lever to position R. Wait this short period before driving.Switching off automaticallyAfter approx. 165 ft/50 m of driving or above approx. 20 mph or 30 km/h, the system switches off and the LED goes out.Signal tonesWhen nearing an object, its position is indicated correspondingly by an in terval tone. As the dis-tance between vehicle and object decreases, the intervals between the tones become shorter. If the distance to the nearest object falls to below roughly 1 f t/30 cm, then a contin-uous tone sounds.An interval tone is interrupted after approx. 3seconds>if you remain in front of an object that has been detected by only one of the corner sensors>if you are driving parallel to a wall.MalfunctionThe indicator lamp in the instrument cluster comes on. PDC is malfunc-tioning. A message appears on the Control Display. Have the system checked.To avoid this problem, keep the sensors clean and free of ice or snow in order to ensure that they will continue to operate effectively. When using a high-pressure cleaner, do not spray the sensors for extended periods of time and only from a distance of at least 4 in/10 cm.PDC with visual warningThe approach of the vehicle to an object is shown on the Control Display. Objects that are farther away are displayed on the Control Dis-play before a signal to ne sounds. The display appears on the Control Display as soon as PDC is activated.System limitationsEven with PDC, final responsibility for estimating the distance between the vehicle and any obstructions always remains with the driver. Even when sensors are pro-vided, there is a blind spot in which objects can no longer be detected. The system is also sub-ject to the physical limit s that apply to all forms of ultrasonic measurement, such as those encountered with trailer towbars and hitches, thin or wedge-shaped objects, etc. Low objects that have already been displayed, e.g. curbs, can disappear again from the detection area of the sensors before or af ter a continuous tone sounds. Higher, protruding objects, e.g. ledges, cannot be detected. Therefore, always drive cautiously, otherwise there is a risk of personal injury or property damage.

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