Principle of Operation
WARNING   WARNING:  You are responsible for controlling your vehicle at all times. The system is designed to be an aid and does not relieve you of your responsibility to drive with due care and attention. Failure to follow this instruction could result in the loss of control of your vehicle, personal injury or death.
WARNING   WARNING:  The system may not function if the sensor is blocked.

Note:   In cold and severe weather conditions the system may not function. Rain, snow, spray and large contrasts in lighting can all prevent the sensor from functioning correctly.
Note:   Do not carry out windshield repairs in the immediate area surrounding the sensor.
Note:   If your vehicle has a suspension kit not approved by us, the system may not correctly function.
Note:   Always replace headlamp bulbs with those specifically designed for your vehicle. Other bulbs may reduce system performance.
Note:   The system may not detect all traffic signs and may incorrectly read signs.
Note:   Keep the windshield free from obstructions for example bird droppings, insects and snow or ice.
Note:   The system is designed to detect traffic signs meeting the Vienna convention.
Note:   Traffic sign data provided by the navigation system contains information integrated to the data carrier release.
The sensor is behind the interior rear view mirror.It continuously monitors road signs to inform you of the current maximum speed limit and overtaking regulations.
The system detects recognizable traffic signs, for example:
  • Speed limit signs.
  • No overtaking signs.
  • Speed limit cancellation signs.
  • No overtaking cancellation signs.
Using Traffic Sign Recognition
Setting the System Speed Warning
The system has a number of speed warning levels that you can set using the information display.   See   General Information
System Display
Traffic Signs
The system can display two traffic signs in parallel.
You can view the status at any time using the information display.
The system displays recognizable traffic signs in four stages as follows:
  1. All new traffic signs appear brighter than the others in the display.
  2. After a predetermined time they display normally.
  3. After a predetermined distance they are greyed out.
  4. After another predetermined distance they are deleted.
If the system detects a supplementary traffic sign, it displays below the respective traffic sign. For example, when passing a reduced speed limit in wet road conditions sign.
If your vehicle has a navigation system, stored traffic sign data may influence the indicated speed limit value.
Switching Speed Warning On and Off
You can switch the speed warning on and off using the information display.   See   General Information
Note:   The system remembers the last setting when you start your vehicle.