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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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196* Option/accessory, for more information, see Introduction.
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.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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207
WARNING
The laser sensor also transmits laser light when City Safety™ is disabled manually.
Related information
•City Safety™ (p. 205)
• City Safety™ - limitations (p. 207)
• City Safety™ - function (p. 205)
• City Safety™ - laser sensor (p. 209)
• City Safety™ - symbols and messages (p. 211)
• MY CAR (p. 103)
City Safety™ - limitations
The sensor in City Safety™ is designed to detect cars and other large vehicles in front ofthe car irrespective of whether it is day ornight. However, the function has a number oflimitations. However, the sensor has limitations and has poorer functionality - or none at all - in e.g.heavy snowfall or rain, dense fog, duststorms or white-out situations. Mist, dirt, iceor snow on the windscreen may disrupt thefunction. Low-hanging objects, e.g. a flag/pennant for projecting load, or accessories such as auxili-ary lamps and bull bars that are higher thanthe bonnet limit the function. The laser beam from the sensor in City Safety™ measures how the light is reflected.The sensor cannot detect objects with lowreflection capacity. The rear sections of thevehicle generally reflect the light sufficientlythanks to the number plate and rear lightreflectors. On slippery road surfaces the braking dis- tance is extended, which may reduce thecapacity of City Safety™ to avoid a collision.In such situations the ABS and DSTC sys-tems will provide best possible braking forcewith maintained stability. When your own car is reversing, City Safety™ is temporarily deactivated. City Safety™ is not activated at low speeds -under 4 km/h, which is why the system doesnot intervene in situations where a vehicle infront is being approached very slowly, e.g.when parking. Driver commands are always prioritised, which is why City Safety™ does not intervenein situations where the driver is steering oraccelerating in a clear manner, even if a colli-sion is unavoidable. When City Safety™ has prevented a collision with a stationary object the car remains sta-tionary for a maximum of 1.5 seconds. If thecar is braked for a vehicle in front that is mov-ing, then speed is reduced to the same speedas that maintained by the vehicle in front. On a car with manual gearbox the engine stops when City Safety™ has stopped thecar, unless the driver manages to depress theclutch pedal beforehand.
NOTE
•
Keep the windscreen surface in front of the laser sensor free from ice, snowand dirt (see the illustration for sensorlocation (p. 205)).
• Do not affix or mount anything on thewindscreen in front of the laser sensor
• Remove ice and snow from the bonnet- snow and ice must not exceed aheight of 5 cm.
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* Option/accessory, for more information, see Introduction.219
NOTE
The visual warning signal can be temporar- ily disengaged in the event of high passen-ger compartment temperature caused bystrong sunlight for example. If this occursthen the warning sound is activated even ifit is deactivated in the menu system.
• Warnings may not appear if the dis- tance to the vehicle in front is small orif steering wheel and pedal move-ments are large, e.g. a very active driv-ing style.
WARNING
Warnings and brake interventions could be implemented late or not at all if the trafficsituation or external influences mean thatthe radar or camera sensor cannot detecta pedestrian, a vehicle or a cyclist in frontcorrectly. The sensor system has a limited range for pedestrians and cyclists 19
 - the system
can provide effective warnings and brake interventions for them at vehicle speeds upto 50 km/h. For stationary or slow-movingvehicles, warnings and brake interventionsare effective at vehicle speeds up to70 km/h. Warnings for stationary or slow-moving vehicles could be disengaged due to dark-ness or poor visibility. Warnings and brake interventions for pedestrians and cyclists are deactivated atvehicle speeds exceeding 80 km/h.
The collision warning system uses the same radar sensors as the Adaptive cruise control(p. 188). Read more about radar sensor limi-tations (p. 197). If warnings are perceived as being too fre- quent or disturbing then the warning distancecan be reduced (p. 217). This would lead tothe system warning at a later stage, whichreduces the total number of warnings. Collision Warning with Auto Brake is tempo-rarily deactivated with reverse gear engaged. Collision Warning with Auto Brake is not acti- vated at low speeds - under 4 km/h, which iswhy the system does not intervene in situa-tions where the car is approaching a vehiclein front very slowly, e.g. when parking. In situations where the driver demonstrates active, aware driving behaviour, a collisionwarning may be postponed slightly in order tokeep unnecessary warnings to a minimum. When Auto Brake has prevented a collision with a stationary object the car remains sta-tionary for a maximum of 1.5 seconds. If thecar is braked for a vehicle in front that is mov-ing, then speed is reduced to the same speedas that maintained by the vehicle in front. On a car with manual gearbox the engine stops when Auto Brake has stopped the car,unless the driver manages to depress theclutch pedal beforehand.
Related information
•
Collision warning system* (p. 212)
• Collision warning system* - function (p. 213)
• Collision warning system* - detection ofpedestrians (p. 216)
• Collision warning system* - cyclist detec-tion (p. 214)
19
For cyclists, the warning and full brake intervention may come very late or simultaneously.
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242* Option/accessory, for more information, see Introduction.
NOTE
When reversing with e.g. a trailer or bike carrier on the towbar - without Volvo genu-ine trailer wiring - parking assistance mayneed to be switched off manually in orderthat the sensors do not react to them.
Related information
• Park Assist* (p. 240)
• Park assist syst* - cleaning the sensors (p. 243)
• Park assist syst* - function (p. 240)
• Park assist syst* - forward (p. 242)
• Park assist syst* - fault indication (p. 243)
• Park assist camera (p. 244)
Park assist syst* - forward
Parking assistance is used as an aid to park- ing. An acoustic signal as well as symbols onthe centre console's display screen indicatethe distance to the detected obstacle. The parking assistance system is automati- cally activated when the engine is started -the switch's On/Off lamp is illuminated. Ifparking assistance is switched off with thebutton, the lamp goes out.
The distance covered in front of the car is about 0.8 metres. The acoustic signal forobstacles in front comes from one of the frontloudspeakers. Front park assist is active up to approx. 10 km/h. The lamp in the button isilluminated in order to indicate that the sys-tem is activated. When the speed is below10 km/h the system is reactivated.
NOTE
Front parking assistance is deactivated when the parking brake is applied or 
P
mode is selected in a car with an auto-matic gearbox.
IMPORTANT
When auxiliary lamps are fitted: Remember that these must not obscure the sensors -the auxiliary lamps may then be perceivedas an obstacle.
Related information
• Park Assist* (p. 240)
• Park assist syst* - cleaning the sensors (p. 243)
• Park assist syst* - function (p. 240)
• Park assist syst* - fault indication (p. 243)
• Park assist syst* - backward (p. 241)
• Park assist camera (p. 244)
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* Option/accessory, for more information, see Introduction.243
Park assist syst* - fault indication
Parking assistance is used as an aid to park- ing. An acoustic signal as well as symbols onthe centre console's display screen indicatethe distance to the detected obstacle.
If the combined instrument panel'sinformation symbol illuminates withconstant glow and the text message
Park assist syst Service required is shown
then parking assistance is disengaged.
IMPORTANT
In certain conditions the parking assis- tance system may produce incorrect warn-ing signals that are caused by externalsound sources that emit the same ultra-sonic frequencies that the system workswith. Examples of such sources include horns, wet tyres on asphalt, pneumatic brakesand exhaust noises from motorcycles etc.
Related information
• Park Assist* (p. 240)
• Park assist syst* - cleaning the sensors (p. 243)
• Park assist syst* - function (p. 240)
• Park assist syst* - forward (p. 242)
• Park assist syst* - backward (p. 241)
• Park assist camera (p. 244)
Park assist syst* - cleaning the sensors
Parking assistance is used as an aid to park- ing. An acoustic signal as well as symbols onthe centre console's display screen indicatethe distance to the detected obstacle. The sensors must be cleaned regularly to ensure that they work properly. Clean themwith water and car shampoo.
Sensor location, front.
Sensor location, rear.
NOTE
Dirt, ice and snow covering the sensors may cause incorrect warning signals.
Related information
•Park Assist* (p. 240)
• Park assist syst* - function (p. 240)
• Park assist syst* - forward (p. 242)
• Park assist syst* - fault indication (p. 243)
• Park assist syst* - backward (p. 241)
• Park assist camera (p. 244)
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248* Option/accessory, for more information, see Introduction.
WARNING
PAP does not work in all situations but is designed merely as a supplementary aid. The driver always has the final responsibil- ity for driving the vehicle in a safe mannerand for paying attention to the surround-ings and other road users approaching orpassing during parking.
Related information
• Park Assist Pilot (PAP)* - symbols and messages (p. 252)
• Park Assist Pilot (PAP)* - operation (p.249)
• Park Assist Pilot (PAP)* - function (p.248)
• Park Assist Pilot (PAP)* - limitations (p.251)
• Park Assist* (p. 240)
• Park assist camera (p. 244)
Park Assist Pilot (PAP)* - function
The Park Assist Pilot (PAP – Park Assist Pilot) helps the driver to park by first checkingwhether a space is sufficiently large and thenturning the steering wheel and steering thecar into the space. The combined instrumentpanel uses symbols, graphics and text toshow when different operations should beperformed.
NOTE
The PAP function measures the space and turns the steering wheel - the driver's taskis to follow the combined instrument pan-el's instructions and select the gear(reverse/forward), control the speed, brakeand stop.
PAP can be activated if the following criteria are met once the engine has been started:
• The functions DSTC or ABS must not intervene while the PAP function is ena-bled - these can be activated due to asteep or slippery surface, for example;see the sections on Foot brake and Sta-bility and traction control system for moreinformation.
• A trailer must not be connected to thecar.
• The speed must be below 50 km/h.
Principle for PAP.
The PAP function parks the car using the fol- lowing steps: 
1. The function searches for a parking space and measures it (A & B) - during measure- ment the speed must notexceed 30 km/h.
2. The car is steered into the space while reversing (C & D).
3. The car is straightened up in the space by driving back and forth (E & F ).
Related information
• Park Assist Pilot (PAP)* - symbols andmessages (p. 252)
• Park Assist Pilot (PAP)* - operation (p.249)
• Park Assist Pilot (PAP)* - limitations (p.251)
• Park Assist* (p. 240)
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