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Applies to: vehicles with camera-based traffic sign recognition
- Fig. 128 Instrument cluster: Traffic sign recognition
- Fig. 129 Windscreen: Camera window for traffic sign recognition
Traffic signs detected by the system appear in the instrument cluster display to keep you informed of current speed restrictions and no-overtaking zones Fig. 128►. Within certain system limits, it will display these additional traffic restrictions:
 | Speed limits in wet weather |
 | Speed limits in foggy conditions (only displayed when the all-weather lights or rear fog light are switched on) |
 | Speed limits at certain times of day |
 | Speed limits when towing a trailer |
General notes
The traffic sign recognition system can detect standardised speed limit signs within the camera s range of vision. It makes use of the navigation data to evaluate the detected speed limits and show them on the display. Under certain conditions, the system will also display the legal speed limits on roads without speed limit signs. The traffic sign for the currently detected speed limit will flash on the display if a speed warning threshold, which has been set on the infotainment system, is exceeded link►.
Traffic sign recognition is not available in all countries. For a current list, see the Internet (e.g. www.audi.com). The system is also subject to certain inherent restrictions and may be partially or completely unavailable in the following situations:
- If visibility is impaired by snow, rain, fog or heavy road spray.
- In dazzling light, e.g. from the sun or oncoming traffic.
- At high speeds.
- If the camera s range of vision Fig. 129► is impaired, e.g. by dirt or stickers. Notes on cleaning link►.
- If the traffic signs are partially or completely obscured, e.g. by trees, snow, mud or other vehicles.
- If traffic signs deviate from the standard appearance (round with red border).
- If traffic signs are damaged or bent.
- If matrix traffic signs are mounted on overhead gantries.
- If traffic signs or routes have changed (navigation data out of date).
- If the system detects a speed sticker on a slow-moving vehicle (such as a heavy goods vehicle).
Always direct your full attention to the road and surroundings, even when you are using traffic sign recognition. The actual traffic signs on your route always take precedence over the information on the display. It is always the driver s responsibility to assess the traffic situation and take appropriate care.
- Under adverse conditions, the traffic sign recognition system may misinterpret or fail to detect traffic signs. It is therefore possible that the speed limit display may occasionally be unavailable or even incorrect.
- The traffic sign detection system does not adjust the speed of your vehicle to the speed limits.
- The speed limit displayed in the instrument cluster is given in the units applicable in a particular country. For example, if 50 is displayed on the instrument cluster, this may signify mph or km/h, depending on the country.