718

Cayenne

2019 Macan – Manual

2019 Macan – Manual

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Page: 29

Adaptive Cruise Control (ACC)

Unsafe traffic situation and unfavorable road conditions
If the prevailing situation does not allow you to drive safely at a sufficient distance and constant speed, Adaptive Cruise Control can cause accidents.

  • Do not use Adaptive Cruise Control in heavy traffic, in construction traffic, in urban traffic, on winding stretches of road, or in unfavorable conditions (e.g. wintery conditions, wet roads, varying road surfaces).

Failure of Adaptive Cruise Control to detect vehicles or objects
Pedestrians, objects on the road, oncoming vehicles in the same lane or cross traffic are not detected.

  • You should intervene as necessary.
  • Always keep your eyes on the road ahead.

Adaptive Cruise Control (ACC) can be used on the open road to maintain a constant selected speed between approx. 20 and 100 mph (30 and 160 km/h) without having to use the accelerator pedal.

If another vehicle that is traveling slower than the selected speed is detected up ahead in the same lane, Adaptive Cruise Control automatically maintains a set distance.

Adaptive Cruise Control will cause the vehicle to brake if the distance from the vehicle in front becomes too small and to accelerate if the distance increases.


Radar sensor

Restricted range of the radar sensor
The range of the radar sensor may be restricted by rain, snow, ice and heavy spray. Vehicles up ahead may not be adequately detected, or may not be detected at all.

  • Do not use Adaptive Cruise Control in such conditions.

Radiofrequency Radiation Exposure
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 8 in. (20 cm) between the radiator and your body.

  • This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Adaptive Cruise Control uses a radar sensor located in the center of the front apron (arrow).

Fig. 1: Radar sensor position

Information

  • Always keep the radar sensor free of dirt, ice and snow to ensure that it is always fully functional.

For information on car care:

  1. Please see chapter "Car Care" on page 60.

Exceptions
Adaptive Cruise Control can deactivate automatically if the radar sensor is very dirty, iced over or covered, if the weather conditions are unfavorable (heavy rain) or while driving through a tunnel. A message appears on the multifunction display indicating that ACC is not available.

  1. Please see chapter "Warning and Information Messages" on page 215.

Operating principle of Adaptive Cruise Control (ACC)

No vehicles detected ahead – open road
Adaptive Cruise Control behaves like a speed control system. The desired speed set is kept constant.

Vehicle detected ahead – follow at a safe distance
If another vehicle that is traveling slower than the selected speed is detected up ahead in the same lane, Adaptive Cruise Control automatically maintains a set distance.

If the vehicle in front stops, Adaptive Cruise Control slows the vehicle and brings it to a stop, provided that this is possible within the system's control parameters.

Adaptive Cruise Control actively keeps the vehicle in a stationary position.

When the vehicle in front drives off, the automatic speed and distance control can start again.

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