Audi Q7 Owners & Service Manuals

Audi Q7: Adaptive cruise control

General information

Applies to: vehicles with Audi adaptive cruise control

Depending on vehicle equipment, Audi adaptive cruise control may consist of the following functions: Within the limits of the system, the adaptive speed and distance control assists the driver in controlling the speed and the set distance to the vehicle driving ahead. If the system detects a vehicle driving ahead, the adaptive cruise control can brake and accelerate your vehicle within the limits of the system. On open roads with no traffic, it functions like a cruise control system. The stored speed is maintained. When approaching a vehicle driving ahead, the adaptive cruise control system automatically brakes to match that vehicle's speed and then maintains the set distance as much as possible. As soon as the system does not detect a vehicle driving ahead, adaptive cruise control accelerates up to the stored speed.

In stop-and-go traffic, the vehicle may brake to a full stop and then may also start driving again automatically under certain conditions.

Applies to: vehicles with traffic jam assist: In traffic jams or in stop-and-go traffic, the traffic jam assist can assist the driver to stay within the lane detected by the system.

Applies to: vehicles with efficiency assist: Predictive control can adjust the set speed based on traffic and road conditions.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

Tips

The system complies with United States FCC regulations and ISED regulations.

Limitations

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 105 Example: driving into a curve

In some situations, the adaptive cruise control function is limited and you must assume control of the vehicle when necessary, for example by applying the brakes.

  • When driving into a curve > fig. 105 and out of a curve, the system may react to a vehicle in the neighboring lane and apply the brakes. You can override the system by pressing the accelerator pedal briefly.
  • The system works with the various sensors and cameras in the vehicle. Vehicles can only be detected once they are within the area and range covered by the sensors, fig. 96.
  • When driving around tight curves, a vehicle driving ahead that was previously detected may no longer be detected, and the system may accelerate unexpectedly.
  • The system does not react to a stationary vehicle in the same lane if it expects that you can easily drive around the stationary vehicle by turning the steering wheel.
  • The system cannot react to stationary objects, such as vehicles at the end of a traffic jam, especially when traveling at high speeds.
  • The system has a limited ability to detect vehicles that are a short distance ahead, off to the side of your vehicle, or moving into your lane.
  • Objects that are difficult to detect, such as motorcycles, vehicles with high ground clearance, or vehicles with an overhanging load, may be detected late or not detected at all.
  • The system does not respond to people, animals, or objects that are crossing or approaching from the opposite direction.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

Display overview

Applies to: vehicles with adaptive cruise assist

Fig. 106 Instrument cluster: display in the speedometer
Fig. 106 Instrument cluster: display in the speedometer

Fig. 107 Instrument cluster: driver assistance display
Fig. 107 Instrument cluster: driver assistance display

Indicator lights and messages in the speedometer 1- 3 inform you about the driving situation and the settings. In the Driver assistance display 4 - 11, you can find more detailed information about the system. The displays depend on the country and equipment.

Display in the speedometer

  1. Marking for the set speed
  2. Current vehicle speed
  3. Available speed range for the adaptive cruise control (example)

Image in the Driver assistance display

The display only appears when the Driver assistance display is open in the trip computer

  1. Messages and settings
  2. Your vehicle
  3. Detected vehicle driving ahead
  4. Messages and settings
  5. Set target distance
  6. If you fall below the set distance, the distance bars turn red from the bottom upward
  7. Lane departure warning availability
  8. Availability of lane guidance for adaptive cruise assist

Indicator lights

- The speed/distance control is active. No vehicles were detected ahead. The stored speed is maintained.

- The speed/distance control is active. A vehicle was detected ahead. The system controls the speed and distance from the vehicle driving ahead, and accelerates and brakes automatically.

Applies to: vehicles with traffic jam assist

- Traffic jam assist with improved lane guidance is active. A vehicle was detected ahead. The system controls the speed and distance from the vehicle driving ahead, and accelerates and brakes automatically. Traffic jam assist is available at speeds below 40 mph (60 km/h).

- The speed/distance control is active but the vehicle is not ready to drive. A vehicle was detected ahead. Your vehicle is stationary and will not start driving automatically.

- The speed/distance control is active but the vehicle is not ready to drive. No vehicles were detected ahead. Your vehicle is stationary and will not start driving automatically.

- The automatic braking is not enough to maintain a sufficient distance from a vehicle driving ahead. You must intervene, Driver intervention request.

- Lane guidance is active.

- Lane guidance is switched on but not active.

- The limits of the system have been reached.

Take over steering.

- The indicator light turns on if the steering intervention request is providing a warning.

Always keep your hands on the steering wheel so you can be ready to steer at any time.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

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