Park Distance Control PDC

The concept

The PDC assists you with maneuvering in tight parking spaces. Acoustic signals and a visual indicator warn you of the presence of an object behind your vehicle. Four ultrasonic sensors in the bumper measure the distance.

These sensors have a range of approx. 6.5 ft/2 m. However, an acoustic warning does not sound until an object is approx. 2 ft/60 cm from the corner sensors, or approx. 5 ft/1.50 m from the center sensors.

when they are approached slowly, as is usually the case when parking. Avoid approaching PDC is a parking aid that can indicate objects when they are approached slowly, as is usually the case when parking. Avoid approaching an object at high speed; otherwise, physical circumstances may lead to the system warning being issued too late.

Switching on automatically

With the engine running or the ignition switched on, the system is activated after approx. second when you engage reverse gear or move the automatic transmission selector lever to position R. Wait this short period before driving.

Switching off automatically

After approx. 150 ft/50 m of driving or approx.

20 mph/30 km/h of speed, the system switches off and the LED goes out.

Signal tones

When nearing an object, its position is indicated correspondingly by an interval tone. As the distance between vehicle and object decreases, the intervals between the tones become shorter. If the distance to the nearest object falls to below roughly 1 ft/30 cm, then a continuous tone sounds.

An interval tone is interrupted after approx. 3 seconds:

> If you stop in front of an object that has been detected by only one of the corner sensors
> If you are driving parallel to a wall

Malfunction

lights up. PDC is malfunctioning. A message appears on the Control Display. Have The indicator lamp in the instrument cluster lights up. PDC is malfunctioning. 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 1 ft/30 cm.

PDC with visual warning

The approach of the vehicle to an object is shown on the Control Display. Objects that are farther away are displayed on the Control Display before a signal tone sounds. The display appears on the Control Display as soon as PDC is activated.

System limitations

the distance between the vehicle and any obstructions always remains with the driver. Even when sensors Even with PDC, final responsibility for estimating the distance between the vehicle and any obstructions always remains with the driver. Even when sensors are provided, there is a blind spot in which objects can no longer be detected. The system is also subject to the physical limits 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 after a continuous tone sounds. Higher, protruding objects, e.g. ledges, cannot be detected. Loud sound sources outside or inside the car can drown out the PDC signal. Therefore, always drive cautiously; otherwise, there is a risk of personal injury or property damage.

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