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Audi A4 (B9) 2016-2022 Owner's Manual: Camera-based traffic sign recognition

Audi A4 (B9) 2016-2022 Owner's Manual / Assist systems / Driving information / Camera-based traffic sign recognition


Applies to: vehicles with camera-based traffic sign recognition

Driving information
Fig. 104 Instrument cluster: traffic sign recognition

The traffic sign recognition shows the traffic signs detected by the front camera in the instrument cluster display and in the head-up display*.

Data from the navigation system is also included in the display. Up to three traffic signs can be displayed in the instrument cluster at once. The speed limit that is currently applicable is displayed in the status line. If necessary, it will be hidden if the system detects that turning right is prohibited at a red light. The display in the head-up display* can be switched off.

Within the limits of the system and depending on the market, speed limit restrictions (1) in school zones, highways, construction zones, or at night may be displayed.


The traffic sign recognition is subject to certain system limitations and may be unavailable or only partially available in the following situations:




Applies to: vehicles with camera-based traffic sign recognition

Accessing traffic sign recognition

Setting a traffic sign based speed warning

You can select a warning threshold. If you exceed this, then the current detected speed limit will be shown in the display with an exclamation point for the duration that it is exceeded and it will blink for a short time.


Applies to: vehicles with camera-based traffic sign recognition

The following messages may appear depending on the vehicle equipment:

Traffic sign recognition: currently unavailable.

Camera view limited due to environmental conditions

The camera's visual field is covered. Clean the windshield.

Traffic sign recognition: currently limited.

See owner's manual

This message appears if navigation system data is not available, for example on newly-constructed roads. The speed limit display will be temporarily limited, which increases the risk of an incorrect display. If this message continues to appear, drive immediately to an authorized Audi dealer or authorized Audi Service Facility to have the malfunction repaired.

No traffic sign information available

Depending on the area, there is no valid navigation data and no speed limits were detected. This may also appear if there is a recommended speed, but no speed limit (for example when driving on and off the expressway).

Malfunction! See owner's manual

The system may not function correctly so it has been switched off. See an authorized Audi dealer or authorized Audi Service Facility for assistance.

Function currently unavailable. See owner's manual

If this message appears on vehicles without camera- based traffic sign recognition, then the traffic light information function is currently unavailable.

Speed warning system
Description Applies to: vehicles with speed warning system The speed warning system helps the driver to stay below a specified maximum speed. A warning threshold can be set in the MMI for this purpo ...

Traffic light information
Description Applies to: vehicles with traffic light information Fig. 105 Instrument cluster: traffic light information display The traffic light information gives you a speed recommendation in orde ...

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