Audi A4 Owners & Service Manuals

Audi A4: Efficiency assist

Description

Applies to: vehicles with efficiency assist

Efficiency assist can assist the driver with predictive information in order to reduce fuel consumption.

Depending on vehicle equipment, the system may access data from the navigation system, the camera behind the windshield, and the radar sensors.

Adjusting the efficiency assist

You can adjust efficiency assist functions individually.

The settings depend on the vehicle equipment.

  • Predictive messages
  • Predictive control

Situation symbols

Depending on vehicle equipment, the following symbols may be shown. The symbols indicate the situation to which the efficiency assist is responding.

Some symbols only appear if Predictive messages are switched on, and some symbols only appear if Predictive control is switched on and Audi adaptive cruise control* is actively regulating the vehicle.

Slow down

(predictive messages only)

Adjustment to curves along route

(predictive control only) Additional symbols are shown in the Driver assistance display.

Speed limit

Speed limit

Exit ahead

Intersection ahead

Traffic circle ahead

(predictive control only) If the indicator light turns on in green and red, it is indicating that there is a difference between the speed limit and the set speed.

WARNING

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

Tips

  • The functions depend on the navigation data* being up-to-date and correct identification by the traffic sign recognition*.
  • The system only detects traffic signs that specify a speed Limit.
  • The display in the instrument cluster is based on the units of measurement used for speed in the country where the vehicle is being operated. As a result, a display of 50 in the instrument cluster can mean either mph or km/h, depending on the country.
  • Except for the road network, which is recorded in the navigation system's map information, certain functions may not be available.
  • Certain settings are automatically stored and assigned to the remote control key being used.

Predictive messages

Applies to: vehicles with efficiency assist

The symbol appears in the instrument cluster display if efficiency assist recommends removing your foot from the accelerator pedal.

Additional symbols that indicate the situation to which the efficiency assist is reacting are shown in the Driver assistance display, Situation symbols.

Requirements

  • The cruise control system* or Audi adaptive cruise control* must not be actively regulating.
  • The vehicle speed must be at least 20 mph (30 km/h).
  • The remaining distance until the situation is reached must be large enough to allow the system to react to the situation.
  • The automatic transmission is not in the "S" driving program.

Switching predictive messages on or off

You can switch predictive messages on or off. The possible settings depend on the vehicle equipment.

Applies to MMI: Select on the home screen: VEHICLE > Efficiency assist > Predictive messages.

WARNING

  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras
  • Pay attention to traffic and the area around your vehicle when efficiency assist is switched on. The driver is always responsible for assessing the traffic situation.

Tips

  • The traffic signs on the road always take priority over the display. The driver is always responsible for adhering to the regulations applicable in the country where the vehicle is being operated.
  • When a route is planned using the navigation system*, then system displays messages based on an assumed route. Without route guidance, the system displays messages based on an assumed route.
  • The wording of the message may vary depending on the Audi drive select* mode and the selector lever position that are selected.

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