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194* Option/accessory, for more information, see Introduction.
• wheels lose traction
• brake temperature is high
• the radar sensor is covered e.g. by wet snow or heavy rain (radar waves blocked).
Resume set speedAdaptive cruise control in standby mode is reactivated with one press on the steering wheel button
- the speed is then set to the
last stored speed.
NOTE
A marked speed increase may occur once the speed has been resumed by selecting
.
Related information
• Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - overview (p. 190)
• Adaptive cruise control* - function (p.189)
Adaptive cruise control* - overtaking another vehicle
The adaptive cruise control (ACC – Adaptive Cruise Control) helps the driver to maintain aneven speed and a safe distance from the vehi-cle ahead. When the car is following another vehicle and the driver indicates an impending overtaking manoeuvre with the direction indicator 11
, the
adaptive cruise control helps to briefly accel- erate the car towards the vehicle in front. This function is active at speeds above 70 km/h.
WARNING
Be aware that this function can be acti- vated in more situations other than duringovertaking, e.g. when a direction indicatoris used to indicate a change of lane or exitto another road - the car will then acceler-ate briefly.
Related information
• Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - overview (p. 190)
• Adaptive cruise control* - function (p.189)
Adaptive cruise control* - deactivate
The adaptive cruise control (ACC – Adaptive Cruise Control) helps the driver to maintain aneven speed and a safe distance from the vehi-cle ahead.
Keypad with Speed limiterThe adaptive cruise control is switched off with the steering wheel button
in the
steering wheel keypad (p. 190). The set speed is cleared and cannot be resumed with the
button.
Keypad without Speed limiterWith a short press on the steering wheel but- ton
the adaptive cruise control is set in
standby mode (p. 193). With a further short press it is deactivated. The set speed is cleared and cannot be resumed with the
button.
Related information
• Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - function (p. 189)
• Adaptive cruise control* - symbols andmessages (p. 200)
11
On left flash only in left-hand-drive car, or right flash in right-hand-drive car.
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* Option/accessory, for more information, see Introduction.195
Adaptive Cruise Control* - Queue Assist
The adaptive cruise control (ACC – Adaptive Cruise Control) helps the driver to maintain aneven speed and a safe distance from the vehi-cle ahead. Queue Assist also provides theAdaptive Cruise Control with enhanced func-tionality at speeds below 30 km/h.. In cars with automatic gearbox the adaptive cruise control is supplemented with theQueue Assist function (also referred to as"Queue Assist"). Queue Assistant has the following functions:
• Extended speed range - also below 30 km/h and when stationary
• Change of target
• Automatic braking ceases when station-ary
• Automatic activation parking brake.
Note that the lowest programmable speed for the adaptive cruise control is 30 km/h - eventhough it is capable of following another vehi-cle down to a standstill, a lower speed can-
not be selected.
Extended speed range
NOTE
In order to activate the cruise control the driver's door must be closed and the drivermust be wearing the seatbelt.
With an automatic gearbox, the adaptive cruise control can follow another vehiclewithin the range 0-200 km/h.
NOTE
Activation of the cruise control below 30 km/h requires a vehicle in front within areasonable distance.
For shorter stops in connection with inching in slow traffic or at traffic lights driving isautomatically resumed if the stops do notexceed about 3 seconds - if it takes longerbefore the car in front starts moving againthen the Adaptive cruise control is set instandby mode with automatic braking. Thedriver must then reactivate it in one of the fol-lowing ways:
• Press the steering wheel button
.
or
• Depress the accelerator pedal.
> The cruise control will then resume fol- lowing the vehicle in front.
NOTE
Queue Assist can hold the car stationary for a maximum of 4 minutes - then theparking brake is applied and Cruise Con-trol is disengaged.
• The driver has to release the parking brake before the cruise control can bereactivated.
Change of target
If the target vehicle in front suddenly turns then there may be stationary traffic in front.
When the adaptive cruise control is following another vehicle at speeds below 30 km/h and
changes target from a moving to a stationaryvehicle, the cruise control will slow down forthe stationary vehicle.
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WARNING
When the cruise control is following another vehicle at speeds in excess of
30 km/h and the target is changed from amoving vehicle to a stationary vehicle, thecruise control will ignore the stationaryvehicle and instead select the storedspeed. • The driver must intervene him/herself and brake.
Automatic standby mode with change of target
The adaptive cruise control is disengaged and set in standby mode:
• when the speed is below 5 km/h and cruise control is not sure whether the tar-get object is a stationary vehicle or someother object, e.g. a speed bump.
• when the speed is below 5 km/h and thevehicle in front turns off so the cruisecontrol no longer has a vehicle to follow.
Termination of automatic braking at a
standstill
In certain situations, Queue Assist stops automatic braking at a standstill. This meansthat the brakes are released and the car maystart to roll - the driver must therefore inter-vene and brake the car himself/herself inorder to maintain its position. Queue Assist releases the foot brake and setsthe adaptive cruise control in standby modein the following situations:
• the driver puts his/her foot on the brake pedal
• the parking brake is applied
• the gear selector is moved to
P, N or R
position
• the driver sets the cruise control instandby mode.
Automatic activation parking brakeIn certain situations Queue Assist applies the parking brake in order to keep the car remain-ing stationary. This takes place if:
• the driver opens the door or takes off his/her seatbelt
• DSTC is changed from
Normal to Sport
mode
• Queue Assist has held the car stationaryfor more than 4 minutes
• the engine is switched off
• the brakes have overheated.
Related information
•Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - overview (p.190)
• Adaptive cruise control* - function (p.189)
Adaptive cruise control* - switch cruise control functionality
The adaptive cruise control (ACC – Adaptive Cruise Control) helps the driver maintain asafe distance from the vehicle ahead.
Changing from ACC to CCWith one press of the button the adaptivepart (spacing system) in the cruise control isdeactivated, at which point the car just fol-lows the set speed.
• Give a
long press on the steering wheel
button
- the combined instrument
panel's symbol changes from
to .
> By these means the standard cruise con- trol (p. 185) CC (Cruise Control) is activated.
WARNING
The car no longer brakes automatically after switching from ACC to CC - it merelyfollows the set speed.
Changing back from CC to ACCSwitch off cruise control with 1-2 presses on
in accordance with the deactivation
instructions (p. 194). The next time the sys- tem is switched on it is the Adaptive cruisecontrol that is activated.
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* Option/accessory, for more information, see Introduction.197
Related information
• Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - overview (p. 190)
• Adaptive cruise control* - function (p.189)
Radar sensor
The function of the radar sensor is to detect cars or larger vehicles in the same direction,in the same lane. The radar sensor is used by the following functions: •Adaptive cruise control*
• Collision Warning with Auto Brake and Pedestrian Detection*
• Distance Warning*
Related information
• Radar sensor - limitations (p. 197)
• Adaptive cruise control - ACC* (p. 188)
• Collision warning system* (p. 212)
• Distance Warning* (p. 202)
Radar sensor - limitations
A radar sensor (p. 197) has certain limitations, due to its limited field of vision for example. The capacity of the radar sensor to detect vehicles in front is reduced significantly:
• if the radar sensor becomes blocked and cannot detect other vehicles e.g. in heavyrain or slush, or if other objects have col-lected in front of the radar sensor.
NOTE
Keep the area in front of the radar sensor clean - see subheading "Maintenance" (p.217).
• if the speed of vehicles in front is signifi- cantly different from your own speed.
Field of visionThe radar sensor has a limited field of vision. In some situations another vehicle is notdetected, or the detection is made later thanexpected.
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198* Option/accessory, for more information, see Introduction.
ACC field of vision.
Sometimes the radar sensor is late at detecting vehicles at close distances, e.g.a vehicle that drives in between the carand vehicles in front.
Small vehicles, such as motorcycles, or vehicles not driving in the centre of thelane can remain undetected.
In bends the radar sensor may detect the wrong vehicle or lose a detected vehiclefrom view.
WARNING
The driver must always be observant with regard to the traffic conditions and inter-vene when the adaptive cruise control isnot maintaining a suitable speed or suita-ble distance. The adaptive cruise control cannot handle all traffic, weather and road conditions. Read all the sections about the adaptive cruise control in the owner's manual inorder to learn about its limitations, ofwhich the driver should be aware before itis used. The driver always bears responsibility for maintaining the correct distance andspeed, even when the adaptive cruise con-trol is being used.
WARNING
Accessories or other objects such as auxil- iary lamps must not be fitted in front of thegrille.
WARNING
Adaptive cruise control is not a collision avoidance system. The driver must inter-vene if the system does not detect a vehi-cle in front. The adaptive cruise control does not brake for humans or animals, and not for smallvehicles such as bicycles and motorcy-cles. Nor for oncoming, slow or stationaryvehicles and objects. Do not use the adaptive cruise control, for example, in city traffic, in dense traffic, atjunctions, on slippery surfaces, with a lotof water or slush on the road, in heavyrain/snow, in poor visibility, on windingroads or on slip roads.
IMPORTANT
In the event of visible damage to the car's grille, or if you suspect that the radar sen-sor may be damaged:
• Contact a workshop - an authorised Volvo workshop is recommended.
The function may completely or partially disappear - or malfunction - if the grille,the radar sensor or its bracket is damagedor has loosened.
Related information
• Adaptive cruise control - ACC* (p. 188)
• Collision warning system* (p. 212)
• Distance Warning* (p. 202)
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* Option/accessory, for more information, see Introduction.199
Adaptive cruise control* - fault tracing and action
The adaptive cruise control (p. 188) (ACC – Adaptive Cruise Control) helps the driver tomaintain an even speed and a safe distancefrom the vehicle ahead. If the combined instrument panel shows the message
Radar blocked See manual this means that the radar signals from the radar sensor (p. 197) are blocked and that vehiclesin front of the car cannot be detected. In turn this means that - apart from Adaptive Cruise Control - Distance Warning (p. 202)and Collision Warning (p. 212) with AutoBrake are not operating either.
The following table presents examples ofpossible causes for a message being shownalong with the appropriate action:
CauseAction
The radar surface in the grille is dirty or covered with ice or snow.Clean the radar surface in the grille from dirt, ice and snow.
Heavy rain or snow blocking the radar signals.No action. Sometimes the radar does not work during heavy rain or snowfall.
Water or snow from the road surface swirls up and blocks the radar signals.No action. Sometimes the radar does not work on a very wet or snowy road surface.
The radar surface has been cleaned but the message remains.Wait. It could take several minutes for the radar to sense that it is no longer blocked.
Related information
•
Adaptive cruise control* - overview (p. 190)
• Adaptive cruise control* - function (p.189)
• Adaptive cruise control* - symbols andmessages (p. 200)
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Adaptive cruise control* - symbols and messages
The adaptive cruise control (ACC – Adaptive Cruise Control) helps the driver to maintain an even speed and a safe distance from the vehi-cle ahead. Sometimes the adaptive cruisecontrol may display a symbol and/or text
message. Here are several examples - followthe recommendation given if appropriate:
SymbolMessageSpecification
The symbol is GREENThe car maintains the stored speed.
The symbol is WHITEAdaptive cruise control is set to standby mode.
Standard cruise control is selected manually.
DSTC Normal to enable CruiseThe adaptive cruise control cannot be activated until the Stability and Traction Control system (DSTC) (p. 175) has been set in Normal mode.
Cruise control Cancel- ledThe adaptive cruise control has been deactivated - the driver has to regulate the speed himself.
Cruise control Unavail- ableThe adaptive cruise control cannot be activated. This could be due to:
• brake temperature is high
• the radar sensor is blocked by e.g. wet snow or rain.
Radar blocked See manualThe adaptive cruise control is temporarily disengaged.
• The radar sensor is blocked and cannot detect other vehicles. For example, in the event of heavy rain or if slush has collected in front of the radar sensor.
The driver can then choose to switch to (p. 196) normal Cruise control (CC) - a text message provides information on appropriate alternatives. Read about radar sensor limitations (p. 197).
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* Option/accessory, for more information, see Introduction.201
SymbolMessageSpecification
Cruise control Service requiredThe adaptive cruise control is disengaged. • Contact a workshop - an authorised Volvo workshop is recommended.
Press Brake To hold +
acoustic alarm (Only with Queue Assis- tant)The car is stationary and the cruise control will release the foot brake to allow the parking brake to take over and hold the car, but a fault in the parking brake means the car will shortly begin to roll.
• The driver must brake himself/herself. The message remains and the alarm sounds until the driver depresses the brake pedal or uses the accelerator pedal.
Below 30 km/h Only fol- lowing
(Only with Queue Assis- tant)
Shown with attempts to activate the cruise control at speeds below 30 km/h without a vehicle in front within the activation distance (approx. 30 metres).
Related information
• Adaptive cruise control - ACC* (p. 188)
• Adaptive cruise control* - overview (p. 190)
• Adaptive cruise control* - function (p.189)
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