Audi A4 Owners Manual

On-board computer
Controls / Driver information system / On-board computer

Introduction

The on-board computer provides you with useful information during a journey, including average and current fuel consumption, average speed, fuel range and driving time.

Audi A4: On-board computer. On-board computer: Fuel range

On-board computer: Fuel range

Audi A4: On-board computer. On-board computer: Average fuel consumption

On-board computer: Average fuel consumption

The following items of information are processed by the on-board computer and can be shown one after the other on the display in the instrument cluster.

Fuel range

The estimated fuel range is displayed in km. It shows how far the vehicle can be driven with the amount of fuel left in the tank, assuming the same style of driving. The fuel range is displayed in increments of 10 km.

The fuel range is calculated on the basis of the fuel consumption over the last 30 kilometres. The fuel range will increase accordingly if you drive in a more economical manner.

Average fuel consumption

This mode displays the average fuel consumption since the memory was last cancelled in litres/100 km. If required, you can use this display to adjust your driving style to achieve the desired fuel consumption.

Current fuel consumption

The display shows the current fuel consumption in litres/100 km. If required, you can use this display to adjust your driving style to achieve the desired fuel consumption.

The computer calculates the fuel consumption every 30 metres. The display switches to l/h (litres per hour) when the vehicle is stationary.

Average speed

This mode shows the average speed driven since the memory was last cancelled (in km/h).

Driving time

This display shows the period of time which has elapsed since the memory was last cancelled.

Distance covered

This display shows the distance you have covered since the memory was last cancelled.

Note

  • Х The displays for fuel consumption (average and current consumption), fuel range and speed are shown in metric units. You can change the measurement units via the sound system or MMI*.
  • Х The information in the memory is cancelled if the battery is disconnected.

Memory

The on-board computer has two automatic journey memories.

Audi A4: On-board computer. On-board computer: Memory

On-board computer: Memory

Press RESET button B ⇒ fig. 20 to switch back and forward between the functions of on-board computers 1 and 2.

The number in the display, fig. 19 indicates which of the two memories is currently in use. The figure 1 means that the display is showing the information in the single journey memory (on-board computer 1). The figure 2 means that the display is showing the information in the total journey memory (on-board computer 2).

Single journey memory (on-board computer 1)

The single journey memory processes the information on a journey from the time the ignition is switched on until it is switched off. If the journey is resumed within two hours after the ignition is switched off, the new figures are automatically included in the calculation. The memory is automatically deleted when you resume driving, if the journey is interrupted for more than two hours.

Total journey memory (on-board computer 2)

Unlike the single journey memory, the total journey memory is not erased automatically. In this way, you can determine the period for which you wish the on-board computer to supply figures.

Controls

The on-board computer is controlled by means of two switches on the windscreen wiper lever.

Audi A4: On-board computer. Windscreen wiper lever: On-board computer controls

Windscreen wiper lever: On-board computer controls

Ц Press the top or bottom of the function selector switch A ⇒ fig. 20. This displays the on-board computer readouts one after the other.

The on-board computer can only be operated while the ignition is switched on. When the ignition is switched on, the display shows the function that was last selected.

As well as the figures from the on-board computer (computer 1 or 2), the display can also show information from other systems. Press the Reset button B briefly to switch back and forward between these displays.

Resetting figures to zero

To cancel one of the computer readings individually, select the required function and press the RESET button B for at least one second. The following values can be reset to zero individually using the Reset button:

  • Х Average fuel consumption
  • Х Average speed
  • Х Driving time
  • Х Distance covered

You can also cancel all the values in the single journey memory or the total journey memory at the same time.

Audi A4: On-board computer. The information in the memory is cancelled if the battery is disconnected. Note

The information in the memory is cancelled if the battery is disconnected.

Basic settings for the on-board computer

The basic settings for the on-board computer can be adjusted via the sound system or MMI*.

Audi A4: On-board computer. MMI display: On-board computer

MMI display: On-board computer

Ц Select: Function selector button CAR > Instrument cluster > On-board computer 1 or On-board computer 2.

You can zero all the values in the single journey memory or the total journey memory at the same time by selecting the Reset menu item.

You can also define which items of information you wish to have displayed by the on-board computer. If one of these items is switched off, it will not appear in the display. However, the corresponding figures will still be registered by the on-board computer and can be switched back on at any time so that they again appear in the display.


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