DS 3: Driving / Speed Limit Recognition and Recommendation

For more information, refer to the General recommendations on the use of driving and manoeuvring aids.

This system displays the maximum speed authorised locally on the instrument panel, using:

• Speed limit signs detected by the camera.
• Speed limit information from the navigation system’s mapping.
• Signs indicating a shared traffic zone detected by the camera.

• Some supplementary traffic signs detected by the camera.

Navigation mapping should be regularly updated in order to receive accurate speed limit information from the system.

The units for the speed limit (mph or km/h) depend on the country you are driving in.

This should be taken into account to ensure you observe the speed limit.

For the system to work properly when changing countries, the speed unit of the instrument panel must match that of the country you are driving in.

Automatic sign reading is a driving aid system and does not always display the correct speed limits.

The speed limit signs present on the road always take priority over those displayed by the system.

The system is designed to detect signs that conform to the Vienna Convention on road signs.

Specific speed limits, such as those for heavy goods vehicles, are not displayed. The display of the speed limit on the instrument panel is updated when passing a speed limit sign intended for cars (light vehicles).

Activation/Deactivation

By default, the system is automatically activated at every engine start.

The settings are changed via the Driving/Vehicle touch screen menu.

Information displayed on the instrument panel

1. Detected speed limit indication

or

2. End of speed limit indication

The system is active but is not detecting speed limit information.

On detecting speed limit information, the system displays the value.

For a suggested maximum speed, the first time that the vehicle exceeds it by more than 3 mph (5 km/h) (e.g. 59 mph (95 km/h)), the speed is displayed and flashes for 10 seconds (depending on version).

Operating limits

The system does not take account of reduced speed limits, especially those imposed in the following cases:

• Atmospheric pollution.
• Towing.
• Driving with a space-saver type spare wheel or snow chains fitted.
• Tyre repaired using the temporary puncture repair kit.
• Young drivers.

The system may not display the speed limit if it does not detect a speed limit sign within a preset period and in the following situations:

• Road signs that are obstructed, non-standard, damaged or bent.
• Obsolete or incorrect maps.

Recommendation

In addition to Speed Limit Recognition and Recommendation, the driver can select the speed displayed as a speed setting for the speed limiter or cruise control using the speed limiter or cruise control 'store' button.

If rain is detected, the system will suggest to the driver a speed setting lower than the speed read/obtained from the mapping system in order to best suit the weather conditions (e.g. on a motorway, the suggested speed will be 68 mph (110 km/h) instead of 81 mph (130 km/h)).

For more information on the Speed limiter, Cruise control or Adaptive cruise control, refer to the corresponding sections.

Steering-mounted controls

1. Speed limiter/cruise control mode selection
2. Memorise the speed setting

Information displayed on the instrument panel

3. Speed limit indication
4. Speed memorisation prompt
5. Current speed setting

Storing the speed setting

• Switch on the speed limiter/cruise control. The speed limiter/cruise control information is displayed.

Upon detecting a sign suggesting a new speed setting, the system displays the value and "MEM" flashes for a few seconds, prompting you to save it as a new speed setting.

If there is a difference of less than 6 mph (9 km/h) between the speed setting and the speed displayed by the Speed Limit Recognition and Recommendation, the "MEM" symbol is not displayed.

Depending on the road conditions, several speeds may be displayed.

• Press button 2once to save the suggested speed value.

A message is displayed, confirming the request.

• Press button 2again to confirm and save the new speed setting.

The display then reverts to its previous state.

Extended Traffic Sign Recognition

For more information, refer to the General recommendations on the use of driving and manoeuvring aids.

This additional system recognises these road signs and displays them on the instrument panel if the appropriate display mode is selected:

No entry: when entering a lane in the wrong direction, an alert message, including the symbol of this sign, is displayed on the instrument panel (request to check the direction of traffic).

Other signs: as you approach it, the symbol of the corresponding sign is displayed on the instrument panel.

The actual road signs always take priority over the display from the system. The signs must comply with the Vienna Convention on road signs.

Activation / Deactivation

It is set via the Driving / Vehicle touch screen menu.