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Adaptive cruise control

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Adaptive cruise control

Based on information from a radar or camera, the adaptive cruise control function (or the Stop and Go adaptive cruise control function on vehicles equipped with an automatic gearbox)enables you to maintain the speed selected, known as the cruising speed, while keeping a following distance with the vehicle in front in the same lane.
Depending on the vehicle, when the "Road Sign Detection" function is activated DETECTION OF ROAD SIGNS, the system can adapt the speed of your vehicle according to the speed limit signs recognized by the camera.
Depending on the country and subscription, the system will use the camera and the map to adjust the vehicle speed in advance according to the context and road incidents (roundabouts, bends, upcoming road signs or speed limit zones).
On vehicles fitted with an automatic gearbox, if the vehicle in front stops, the Stop and Go adaptive cruise control function may brake your vehicle to a complete stop before allowing the vehicle to move on again.
The system controls acceleration and deceleration of your vehicle using the engine and braking system.
The system's maximum range is approximately 130 metres. This may vary according to the road conditions (ground relief, weather conditions, etc.).
According to road conditions (traffic, weather, etc.), the "Adaptive cruise control" function can be activated:
  • from 0 mph (0 km/h) for vehicles fitted with an automatic gearbox;
  • from 19 mph (30 km/h) for vehicles fitted with an manual gearbox.
The function is indicated by the symbol.
Note:
  • the driver must observe the maximum speed limit and safe distances according to the legislation in the country where they are driving;
  • the adaptive cruise control can brake the vehicle up to around a third of the braking capacity. Depending on the situation, the driver may need to brake harder.
Tip
While ECO mode is activated, the cruising speed cannot exceed the ECO mode maximum speed DRIVING ADVICE, ECO-DRIVING.
Tip
The regenerative braking system and the paddles are not available when the cruise control or the adaptive cruise control function is activated.
Tip
The adaptive cruise control does not trigger an emergency stop and its braking capability is limited.
WARNING
This function is an additional driving aid.
It can under no circumstances replace the driver's responsibility to respect speed limits and safe distances or to be vigilant.
The driver must always be in control of the vehicle.
The driver must always adapt their speed according to the surroundings and traffic conditions.
Use the Stop and Go adaptive cruise control function outside built-up areas, on wide roads with visible lines.
The cruise control may have limited operation on very winding or slippery roads (black ice, aquaplaning, gravel) or during bad weather (fog, rain, side winds, etc.)
There is a risk of accidents.

Location of the camera 1

Make sure the windscreen is not obscured (by dirt, mud, snow, etc.).

Location of the radar 2

Ensure that the radar protection plate is not obstructed (dirt, mud, snow, a badly fitted number plate), impacted, modified (including painting) or hidden by any accessory fitted on the front of the vehicle (on the grille or logo, etc.).

Controls

3.
Switch for selecting/deselecting the driving aids, depending on the vehicle:
  • the Active driver assist;
  • Adaptive Cruise Control;
  • cruise control;
  • speed limiter;
  • Off.
4.
Put the function on standby (with cruising speed stored) (0).
5.
Recall the stored cruising speed (RES).
6.
  • Upwards: activates, increases cruising speed or stores the current speed (SET/+).
  • Downwards: activates, decreases cruising speed or stores the current speed (SET/-).
7.
Pop-up button (depending on the vehicle): adapts the speed setpoint to detected speed limits DETECTION OF ROAD SIGNS
8.
Adjusting the following distance.
Tip
Depending on the vehicle, you can link the cruise control function to the "Road sign detection" function DETECTION OF ROAD SIGNS by pressing the switch 7.
WARNING
The radar and camera zones must be kept clean and free of any tampering in order to ensure the proper operation of the system.

Displays

9.
Stop and Go adaptive cruise control warning light.
10.
Stored cruising speed.
11.
Vehicle in front.
12.
Stored safe distance
WARNING
Important: you should keep your feet near the pedals at all times to prepare for any event.

Switching on

Press switch 3 to select the adaptive cruise control 13. The 9 warning light appears in grey. The "Adaptive Cruise Control ready: SET to activate" message appears on the instrument panel accompanied by dashes to indicate that the cruise control function is in operation and waiting to store a cruising speed.
This function cannot be activated when:
  • the parking brake is applied;
  • the driver's seat belt is not fastened;
  • one or more doors are incorrectly closed;
  • the "Hands-free parking" function is already activated.
The "Adaptive Cruise Ctl unavailable" message is displayed on the instrument panel.

Activating cruise control

While the vehicle is stationary or moving at a steady speed, push the control 6 upwards (SET/+) or downwards (SET/-): the function is activated and the current speed is stored.
The minimum cruising speed is 19 mph (30 km/h).
The cruising speed 10 replaces the dashes and cruise control is confirmed by the appearance of the cruising speed in green and warning light 9.
If you try to activate the function when the vehicle speed is over 112 mph (180 km/h) or below 19 mph (30 km/h) for vehicles fitted with a manual gearbox, the "Invalid speed" message is displayed on the function is not activated.
Once a cruising speed is memorised and the cruise control function is active, you may lift your foot off the accelerator pedal.
Special feature on vehicles with an automatic gearbox: if the vehicle speed is below approximately 19 mph (30 km/h), the cruising speed will automatically be set to 19 mph (30 km/h). The vehicle will accelerate until it reaches the stored cruising speed.

Activating cruise control with speed limit sign recognition (display A)

(depending on the vehicle)
If the vehicle is equipped with the "Road Sign Detection" DETECTION OF ROAD SIGNSfunction, press the contextual button 7 to adapt the vehicle's speed to the 14 speed limits detected by the camera.
When passing the sign, the cruising speed 10 adopts the value of the detected speed 14.
Adjustment
You can choose to apply to cruising speed 10 a systematic speed deviation in relation to the detected speed limits 14.
From the multimedia screen, in the "Vehicle" World, select "Driving assistance". Then, on the "Speed management" menu, activate the "Adjust speed limitations" field and select the desired difference (from -6 mph (10 km/h) to +6 mph (10 km/h), above 30 mph (50 km/h)).

Activating cruise control with advance speed limit sign recognition (display B)

(vehicles equipped with an automatic gearbox and a subscription).
Using the camera, the "Road sign detection" function DETECTION OF ROAD SIGNS and the map associated with the subscription, the system anticipates the automatic adjustment of the vehicle speed until the next sign is identified 15.

Activation/deactivation

From the multimedia screen, in the "Vehicle" World, select "Driving assistance". Then, from the "Comfort" menu, select "Speed limit adaptive cruise control".
The letter "A" 16 is displayed on the instrument panel to confirm the activation of the cruise control with advance speed limit sign recognition.
Note:
  • you can also activate/deactivate the function by pressing and holding the pop-up button 7;
  • in some cases (if there is a significant difference between the vehicle speed and limited speed), the system may request that you validate the speed manually be pressing the pop-up button 7: the white square 17 is displayed around the indicated speed to inform you.
Tip
Cruise control with advance speed limit sign recognition is associated with a subscription. If there is no subscription, this function cannot be activated.
To manage the subscription, please refer to the multimedia instructions.

Operation

With the function activated, the following speeds are displayed on the instrument panel:
  • cruising speed 10;
  • the current speed limit detected by the system on the section of road on which the vehicle is travelling 14;
  • the speed detected by the system on the next road section or speed limit zone 15.
The detected speed 15 is taken into account by the system. The vehicle speed adjusts gradually, until it becomes the cruising speed 10, without any action from the driver. The speed indicated on 15 is displayed on 14 when passing the sign or zone identified.
The driver must always stay vigilant regarding the speed applied by the system and remains responsible for the vehicle speed.
When the function is not activated or the subscription is no longer active, the operation is identical to setting the cruising speed with speed limit sign recognition (display A).

Activating cruise control with advance recognition of the road layout (display C)

(vehicles equipped with an automatic gearbox and a subscription).
Using the camera, the "Road sign detection" DETECTION OF ROAD SIGNSfunction, and the mapping purchased with the subscription, the system can anticipate and manage the automatic adaptation of the cruising speed 10, when the vehicle approaches a roundabout or a bend.
If the vehicle is approaching a bend or roundabout, a 18 warning light appears on the instrument panel. The vehicle adjusts its speed to a speed appropriate to the feature detected.
The driver must always stay vigilant regarding the speed applied by the system and remains responsible for the vehicle speed.

Activation/deactivation

From the multimedia screen, in the "Vehicle" World, select "Driving assistance". Then, from the "Comfort" menu, select "Road layout adaptive cruise control".
When the function is not activated or the subscription is no longer active, operation is the same as setting the cruising speed with speed limit sign recognition (display A or, depending on the subscription, setting the cruising speed with advanced speed limit sign recognition (display B).
The following symbols show the features taken into account by the system:
  • roundabout;
  • bend.
Tip
Cruise control with advance recognition of the road layout is associated with a subscription.
If there is no subscription, this function cannot be activated.
To manage the subscription, please refer to the multimedia instructions.

Controlling cruising speed

You can resume control of the vehicle speed at any time by:
  • putting the function on standby:
    • by pressing the brake pedal;
    • or by pressing the switch 4 (0);
  • by pressing the driving aids selection/deselection switch 3.
When automatically adapting the speed to the signs and/or road layout, it is possible to ignore these events. Press the control 5 upwards (SET/+) to recall the stored cruising speed.

Safe distance control activation

As soon as cruise control is activated, the default safe distance 13 is displayed in green on the instrument panel.
If the system detects a vehicle in your lane, an outline of a vehicle 11 appears above the distance gauge 12 on the instrument panel.
Your vehicle adapts its speed to that of the vehicle in front and applies the brakes if necessary (the brake lights come on) in order to maintain the distance displayed on the instrument panel.
Note: the size of the 11 outline varies according to the distance separating you from the vehicle in front. The larger the outline, the closer the vehicle in front.

Setting the cruising speed

You can vary the speed by pressing repeatedly (for low variation) or pressing and holding (for high variation) the control 6:
  • downwards: (SET/-) to decrease the speed;
  • upwards (SET/+) to increase the speed.

Adjusting the following distance

You can vary the safe distance from the vehicle in front at any time by pressing switch 8 repeatedly.
The horizontal distance gauge on the instrument panel indicates the various available safe distances:
  • distance gauge G: long distance (corresponding to approximately 2.4 seconds);
  • distance gauge F: intermediate distance 2 (corresponding to approximately 2 seconds);
  • distance gauge E: intermediate distance 1 (corresponding to approximately 1.6 second);
  • distance gauge D: short distance (corresponding to approximately 1.2 seconds).
The selected distance gauge appears in green on the instrument panel. The other gauges remain in grey.
Note: the distance must be set according to the traffic level, local regulation and weather conditions.
Tip
The safe distance is adjusted by default on the distance gauge F.

Exceeding the cruising speed

The cruising speed may be exceeded at any time by applying the accelerator pedal.
If it is exceeded, the cruising speed 10 appears in yellow.
If the driver presses the accelerator pedal, the "Distance Control" function will no longer operate.
Then, release the accelerator pedal: the cruise control and safe distance control will automatically resume the speed and distance instructions that you had previously selected.

Overtaking manoeuvre

If you want to overtake the vehicle in front and your speed is over 43 mph (70 km/h) only, activating the direction indicators temporarily reduces the following distance and triggers acceleration to facilitate overtaking.

Stopping the vehicle and setting off

If the vehicle in front slows down, the system adapts its speed to bring the vehicle to a complete stop if necessary (e.g. in heavy traffic). The vehicle stops a few metres from the vehicle in front.
When the vehicle in front sets off again:
  • if the stop lasts for less than thirty seconds, the vehicle will start again without any action required from the driver.
Note: the driver should always be ready for sudden incidents while driving and remains responsible for controlling the vehicle: if the system detects a pedestrian in the area around the vehicle, the automatic restart will be inhibited until the next stop;
  • if the stopping time exceeds approximately thirty seconds, for the vehicle to set off again it is necessary to either:
    • press the pedal
    • press once on button 5 (RES)
The "Press RES or accelerate to restart cruising" message appears on the instrument panel to confirm this.
If the stop exceeds around three minutes, the electronic parking brake is automatically applied and the Stop and Go adaptive cruise control is deactivated.
The indicator light 9 goes out to confirm that the function is deactivated.

Putting the function on standby

You can set the function to standby when:
  • you press switch 4 (0) ;
  • you apply the brake pedal while the vehicle is moving.
The function is deactivated by the system if:
  • you put the gear control in position P, R or N ;
  • you unbuckle the driver's seat belt;
  • you open one of the opening elements;
  • you press the engine start/stop button;
  • the slope is too steep;
  • certain driving aids and correction devices are triggered (active emergency braking, ABS, ESC...).
Note: Depending on the vehicle, if the reception of the connected data is not optimal, the system automatically switches on standby the advance speed limit sign recognition and/or advance recognition of the road layout functions.
The two functions are automatically reactivated as soon as reception of the connected data becomes optimal again.
In all circumstances, the standby status is confirmed when the warning lights appear in grey and the "Adaptative cruise control disconnected" message appears on the instrument panel.
WARNING
Stopping the Stop and Go adaptive cruise control function or putting it on standby will not provide a rapid decrease in speed: you must press the brake pedal to brake if necessary.

Exit from standby

Based on the stored cruising speed
If a speed is stored, it can be recalled, once you are sure that the road conditions are suitable (traffic, road surface, weather conditions, etc.). Press the 6, switch upwards in the range of valid speeds.
When the stored speed is recalled, activation of the cruise control is confirmed by the illumination of the cruising speed in green.
Note: if the stored speed is higher than the current speed, the vehicle will accelerate to reach that speed.
Based on the current speed
When the cruise control is set to standby, pressing switch 6, downwards reactivates the cruise control function without taking into account the stored speed: it is the speed at which the vehicle is moving that is taken into account.

"Take control of the vehicle" warnings

In some situations (e.g. coming upon a much slower vehicle, vehicle in front changing lanes quickly, etc.) the system may not have time to react.
Depending on the situation, the system sounds a beep associated with:
  • the orange alert H if the situation requires the driver's attention;
or
  • the red alert J accompanied by the "Brake" message if the situation requires immediate action by the driver.
In all situations, react accordingly and perform the appropriate manoeuvres.

Switching off the function

The Stop and Go adaptive cruise control function is deactivated when you press the switch 3.
The 9 warning light disappears from the instrument panel to confirm that the function has stopped.

Temporary unavailability (radar)

The radar is able to detect vehicles in front of your vehicle. The system cannot operate correctly if the radar detection area is obscured or if its signal is disrupted.
If the radar detection area is obstructed or the radar signal is disrupted, the message "Front radar no visibility" is displayed on the instrument panel and the adaptive cruise control Stop and Go is interrupted.
The green warning light 9 disappears to confirm that the function has been automatically deactivated.
Ensure that the radar area remains clean and is not obstructed by snow, mud, a badly fitted number plate or by any accessory fitted on the front of the vehicle (on the grille), or hidden by any accessory fitted on the front of the vehicle (on the grille or logo, etc.).
Conditions in certain geographical areas may hinder the function, for example:
  • arid zones, tunnels, long bridges or lightly used roads without road lines, without signs or trees nearby;
  • a military or airport zone.
You must leave such areas in order for the function to work.
In all cases, if the message is not erased after the engine is restarted, please contact an authorised dealer.

Temporary unavailability (camera)

The system cannot operate if the camera is obscured (by dirt, mud, snow, condensation, etc.).
If the visibility of the camera is reduced, the performance of the Stop and Go adaptive cruise control will be reduced. Remain vigilant.

Operating faults

If an operating fault is detected on the Stop and Goadaptive cruise control function, the "Check adaptive cruise control" message appears on the instrument panel and the Stop and Go adaptive cruise control function is interrupted.
If an operating fault is detected on one or more of the system components, the Stop and Go adaptive cruise control function is interrupted.
Depending on the type of malfunction, the message is displayed on the instrument panel:
  • "Check front camera" message accompanied, depending on the vehicle, by the warning light  ;
  • "Check front radar" message accompanied, depending on the vehicle, by the warning light  ;
  • "Check camera/radar" message accompanied, depending on the vehicle, by the warning light  ;
  • "Check vehicle" message accompanied by the warning light .
Consult an approved dealer.

Limitations of system operation

Vehicle detection

The system detects only vehicles (cars, trucks, motorbikes) that are moving in the same direction as your vehicle.
A vehicle turning into the same lane (e.g. L) will be taken into account by the system only once it enters the camera and radar detection areas.
The system may trigger inappropriate or delayed braking.
The system cannot detect:
  • vehicles arriving at intersections: slip road (e.g. M), etc.;
  • vehicles driving on the wrong side of the road or reversing towards you.
Tip
The Stop and Go adaptive cruise control must be used outside built-up areas, on wide roads with visible lines.

Detection during cornering

When entering a corner or bend, the radar and/or camera may be temporarily unable to detect the vehicle in front (e.g. N).
The system may trigger an acceleration.
When exiting a bend, the system's detection of the vehicle in front may be disrupted or delayed.
The system may trigger inappropriate or delayed braking.

Detection of vehicles in adjacent lanes

The system may detect vehicles driving on an adjacent lane when:
  • you drive into a bend (e.g. O);
  • you are driving on a road with narrow lanes;
  • the speed of the vehicle on the adjacent lane is slower and if one of these vehicles is located too close to the lane of the other.
The system may incorrectly trigger vehicle slowing or braking.
Vehicles hidden due to variations in ground relief
The system will not detect vehicles hidden due to variations in ground relief or those located outside of the camera and radar detection areas when driving uphill or downhill.
Vehicles outside the camera and radar detection areas.
The system will react late or not at all if the detected vehicles are outside the camera and radar detection areas, particularly in the following cases:
  • vehicles transporting long objects which exceed the line;
  • the actual length of tall vehicles (e.g. P) is outside the radar detection area (construction machine, agricultural equipment towing vehicle, etc.);
  • vehicles insufficiently centred in the lane;
  • narrow vehicles which are very close (e.g. Q).
Stationary and slow moving vehicles
When your speed is over approximately 31 mph (50 km/h), the system does not detect:
  • stationary vehicles (e.g. R);
  • very slow moving vehicles.
When your speed is less than approximately 31 mph (50 km/h), the system may not react or may react very late to:
  • stationary vehicles (e.g. R);
  • very slow moving vehicles;
  • vehicles in front 19 that change lane, discovering a stationary vehicle 20 (e.g. S);
  • stationary vehicles 21, when you change lane (e.g. T).
Tip
Always be ready to respond in all circumstances.
The driver must always be in control of the vehicle.
The Stop and Go adaptive cruise control does not trigger an emergency stop and its braking capability is limited.
Non-detection of fixed obstacles and objects of a small size
The system cannot detect:
  • pedestrians, bikes, scooters, etc.;
  • animals;
  • fixed obstacles (toll barriers, walls, etc.) (e.g. U).
These are not taken into account by the system. They do not trigger any alert or reaction by the system.

Detection of vehicles moving into lane at high speed

If your vehicle is overtaken by another vehicle driving at high speed 22 (motorcycle, car, etc.) and the vehicle is temporarily between you and the vehicle in front 23, the system may trigger undue acceleration, slowing or braking.

Warnings

WARNING
This function is an additional driving aid. It can under no circumstances replace the driver's responsibility to respect speed limits and safe distances or to be vigilant.
The driver must always be in control of the vehicle.
Apart from the speed limit signs and road map information from the mapping (vehicles fitted with the "Road sign detection" function and a subscription), other traffic information (traffic lights, pedestrian crossings, etc.) is not taken into account by the system. The driver must always adapt their speed to the surroundings and driving conditions, regardless of system indications.
The system should under no circumstances be taken to be an obstacle detector or an anti-collision system.
Use the Stop and Go adaptive cruise control function outside built-up areas, on wide roads with visible lines.
System servicing/repairs
  • In the event of an impact, the radar and/or camera alignment may be changed and its operation may consequently be affected. Deactivate the system and consult an authorised dealer.
  • Any work in the proximity of the radar and/or camera (replacements, repairs, windscreen modifications, paintwork etc.) must be carried out by a qualified professional.
Only an authorised dealer is qualified to service the system.
WARNING
Deactivating the function
You must deactivate the function if:
  • the vehicle is being towed (breakdowns);
  • the vehicle is towing a trailer or a caravan;
  • the vehicle is being driven in a tunnel or close to a metallic structure;
  • the vehicle arrives at a toll point, a roadwork area or on a narrow lane;
  • the vehicle is driven on a very winding road (mountain road, etc.);
  • the vehicle is being driven up or down a very steep slope;
  • the visibility is poor (glaring sun, fog, etc.);
  • the vehicle is being driven on a slippery road surface (rain, snow, gravel, etc.);
  • the weather conditions are poor (rain, snow, side winds, etc.);
  • the radar area has been damaged (impacts, etc.);
  • the camera area has been damaged (e.g. on the inside or outside of the windscreen);
  • the windscreen is cracked or distorted.
In the event of the system behaving abnormally, deactivate it and consult an authorised dealer.
WARNING
In the event of system disturbance
Some conditions can disturb or damage the system's operation, such as:
  • the windscreen or bumper is obscured in the radar area (by dirt, ice, snow, condensation, number plate, etc.);
  • a complex environment (tunnel, etc.);
  • poor weather conditions (snow, heavy rain, hail, black ice, etc.);
  • poor visibility (night, fog, etc.);
  • being dazzled (glaring sun, lights of vehicles travelling in the opposite direction; etc.);
  • narrow, winding or undulating road (tight bends, etc.);
  • a vehicle with a significant difference in speed;
  • use of mats not adapted to the vehicle. On the driver's side, only use mats suitable for the vehicle, attached with the pre-fitted components, and check the fitting regularly. Do not lay one mat on top of another. There is a risk of wedging the pedals.
In this case, the system may brake or accelerate unintentionally.
Many unforeseen situations may affect the system operation. Certain objects or vehicles that can appear in the camera or radar detection zone may be interpreted by the system incorrectly, possibly leading to inappropriate acceleration or braking.
You should always be attentive to sudden events that might occur while you are driving. Always keep your vehicle under control by keeping your feet near the pedals, so that you are ready to act in any event.