2017-2018 Cayenne – Manual

2017-2018 Cayenne – Manual

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Page: 38

Adaptive Cruise Control (ACC)

Adaptive cruise control (ACC) can be used on the open road to maintain a constant selected speed between approx. 20 and 130 mph (30 and 210 km/h) without having to use the accelerator pedal.

If another vehicle that is traveling slower than the selected speed is detected 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.

Lack of attention
Despite the increased comfort afforded by adaptive cruise control, responsibility for maintaining a safe distance, choosing a suitable speed, etc. remains with the driver. The system cannot replace the driver's attentiveness.

  • Particular attentiveness is required while driving.
  • Brake the vehicle immediately with the footbrake if the deceleration of the adaptive cruise control (ACC) is not sufficient.
  • Make sure that you can take control of the vehicle at any time.
  • Observe all local and national speed limits.

Unsafe traffic situations 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 (ACC) in heavy traffic, in construction traffic, in urban traffic, on winding stretches of road or under unfavorable road conditions (e.g. wintry or wet conditions or varying road surfaces).

Failure of adaptive cruise control to detect vehicles or objects
Stationary or slow-moving vehicles, pedestrians or objects on the road, oncoming vehicles in the same lane and cross traffic are not detected.

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

Radar sensor
Adaptive cruise control uses a radar sensor located in the middle of the front apron (arrow).

Fig. 1: Location of 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 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.

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