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Limitations of Road Sign Information

The Road Sign Information (RSI1) function may have limitations in certain situations.
Examples of what can reduce the function are as follows:
  • Faded signs
  • Signs positioned on bends
  • Rotated or damaged signs
  • Signs positioned high above the roadway
  • Fully/partially obscured or poorly positioned signs
  • signs completely or partly covered with frost, snow and/or dirt
  • digital road maps2 are out-of-date, inaccurate or have no speed information3

 Note

In certain markets, the Road Sign Information function is only available in combination with Sensus Navigation.

 Note

This function uses the car's camera and/or radar units, which have certain general limitations.
  1. 1 Road Sign Information
  2. 2 In cars equipped with Sensus Navigation.
  3. 3 Map data with speed information does not exist for all areas.

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