sensor VOLVO XC60 TWIN ENGINE 2020 Service Manual

DRIVER SUPPORT
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* Option/accessory.287
WARNING
With automatic standby mode, the driver is warned by an acoustic signal and a mes-sage on the instrument panel.
The driver must then regulate vehicle speed, apply the brakes if necessary,and maintain a safe distance to othervehicles.
Adaptive Cruise Control may go into standbymode if: your vehicle's speed goes below 5 km/h(3 mph) and ACC cannot determine if thevehicle ahead is stationary or if it isanother object, e.g. a speed bump.
your vehicle's speed goes under 5 km/h(3 mph) and the vehicle ahead turns sothat ACC no longer has a vehicle to follow.
the driver opens the door.
the driver unbuckles the seat belt.
the engine speed (rpm) is too low/high.
one or more of the wheels lose traction.
the brake temperature is high.
the parking brake is applied.
the camera/radar sensor is covered bysnow or heavy rain (the camera lens/radarwaves are blocked).
Related information

Adaptive Cruise Control
* (p. 282)
Selecting and activating Adaptive Cruise Control
* (p. 284)
Deactivating Adaptive Cruise Control
*
(p. 285)
Adaptive Cruise Control
* limitations
(p. 287)Adaptive Cruise Control *30
limitations
Adaptive Cruise Control (ACC 31
) may have
limited functionality in certain situations.
Steep roads and/or heavy loadsAdaptive Cruise Control is primarily intended to be driven on flat roads. The function maynot be able to maintain the correct time inter-val to the vehicle ahead when driving downsteep hills. The driver should be extra attentiveand prepared to apply the brakes. Do not use Adaptive Cruise Control if the vehi- cle is carrying a heavy load or towing a trailer.
Other limitationsThe Off Road drive mode cannot be selected
if Adaptive Cruise Control is activated.
30 Depending on market, this function can be either standard or optional.
31 Adaptive Cruise Control

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WARNING
This is not a collision avoidance sys- tem. The driver is always responsibleand must intervene if the system failsto detect a vehicle ahead.
The function does not brake for peopleor animals and does not brake for smallvehicles, such as bikes and motorcy-cles. Similarly, it does not brake for lowtrailers, oncoming, slow-moving or sta-tionary vehicles and objects.
Do not use the function in demandingsituations, such as in city traffic, atintersections, on slippery surfaces,with a lot of water or slush on the road,in heavy rain/snow, in poor visibility, onwinding roads, or on on/off ramps.
NOTE
The function uses the vehicle's camera and radar sensor, which has certain generallimitations.
Related information

Adaptive Cruise Control
* (p. 282)
Camera/radar sensor limitations (p. 313)
Switching between cruise control and Adaptive Cruise Control
*32
in
the center display
When the regular cruise control (CC 33
) is
selected in the instrument panel, you can switch to Adaptive Cruise Control (ACC 34
) in
the center display's Function view.
Activate or deactivate the function using this button inthe center display's Functionview.
GREEN button indicator light – Adaptive Cruise Control is deactivated and the reg-ular cruise control is in standby mode.
GRAY button indicator light – regularcruise control is deactivated and theAdaptive Cruise Control is in standbymode. A symbol in the instrument panel indicateswhich cruise control system is active
Cruise control
(CC) Adaptive Cruise
Control (ACC)
AA
A WHITE symbol: The function is active. GRAY symbol: Standby mode
Related information
Adaptive Cruise Control
* (p. 282)
Cruise control (p. 279)
32
Depending on market, this function can be either standard or optional.
33 Cruise Control
34 Adaptive Cruise Control

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Symbol Message Meaning
The symbol is WHITE. The vehicle is maintaining the stored speed.
Adaptive Cruise Contr. Unavailable
The symbol is GRAY. Adaptive Cruise Control is in standby mode.
Adaptive Cruise Contr. Service required
The symbol is GRAY.The system is not functioning as intended. Contact a workshop
‒ an authorized Volvo work-
shop is recommended.
Windscreen sensor Sensor blocked, see Owner's manualClean the windshield in front of the camera and radar sensors.
A text message can be erased by briefly press- ing the
button in the center of the right-
side steering wheel keypad. If the message persists: Contact a workshop ‒
an authorized Volvo workshop is recom- mended.
Related information
Adaptive Cruise Control
* (p. 282)

DRIVER SUPPORT
}}
* Option/accessory.291
Pilot Assist*38
Pilot Assist can help the driver keep the vehi- cle in the current traffic lane by providingsteering assistance and maintaining an evenspeed and a set time interval to the vehicleahead.
How Pilot Assist worksThe Pilot Assist function is primarily intended for use on highways and other major roadswhere it can help provide a more comfortableand relaxing driving experience.
The camera/radar sensor monitors the distance to the vehicle ahead and detects lane markings.
Camera and radar sensor
Distance monitor
Lane marker line monitors The driver sets the desired speed and distance to the vehicle ahead. Pilot Assist monitors thedistance to the vehicle ahead and the trafficlane's side markers using the camera andradar sensor. The system maintains the settime interval to the vehicle ahead by automati-cally adjusting your vehicle's speed and keepsyour vehicle in its lane by providing steeringassistance. If the Curve Speed Assist (CSA)
* function is
activated, it may also affect the vehicle's speed. Pilot Assist's steering assistance is based on monitoring the direction of the vehicle aheadand the traffic lane's side marker lines. Thedriver can override Pilot Assist's steering rec-ommendations at any time and steer inanother direction, e.g. to change lanes or avoidobstacles on the road. If the camera/radar sensor cannot detect the lane's side marker lines or if Pilot Assist isunable for some other reason to clearly inter-pret the lane, Pilot Assist will temporarilydeactivate steering assistance until it can onceagain interpret the lane markings. However,the speed and distance warnings will remainactive. The driver will be alerted by slightvibrations in the steering wheel that the func-tion has been temporarily deactivated.
WARNING
Pilot Assist is deactivated automatically and resumes working without prior notice.
The color of the steering wheel symbol indicates thecurrent status of steeringassistance: • GREEN indicates that steering assistance is active
• GRAY (as shown in illustration) indicates thatsteering assistance is deactivated.
38 Depending on market, this function can be either standard or optional.

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DRIVER SUPPORT
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WARNING
The function is supplementary driver support intended to facilitate drivingand help make it safer – it cannot han-dle all situations in all traffic, weatherand road conditions.
The driver is advised to read all sec-tions in the Owner's Manual about thisfunction to learn of its limitations,which the driver must be aware ofbefore using the function.
Driver support functions are not a sub-stitute for the driver's attention andjudgment. The driver is always respon-sible for ensuring the vehicle is drivenin a safe manner, at the appropriatespeed, with an appropriate distance toother vehicles, and in accordance withcurrent traffic rules and regulations.
Pilot Assist regulates speed by acceleratingand braking. It is normal for the brakes to emita slight sound when they are being used toadjust speed. Pilot Assist attempts to smoothly regulate speed. The driver must apply the brakes in sit-uations requiring immediate braking. Forexample, when there are great differences in speed between vehicles or if the vehicle aheadbrakes suddenly. Due to limitations in the camera and radar sensor, braking may occur unexpectedly or not at all. Pilot Assist attempts to follow a vehicle ahead in the same lane and maintain a time intervalto that vehicle set by the driver. If the radarsensor does not detect a vehicle ahead, it willinstead maintain the speed set by the driver.This will also happen if the speed of the vehi-cle ahead exceeds the set speed for your vehi-cle.
CAUTION
Only a workshop may perform mainte- nance on driver support components – anauthorized Volvo workshop is recom-mended.
In curves and forks in the roadPilot Assist is designed to interact with the driver. The driver should never wait for steer-ing assistance from Pilot Assist, but insteadshould always be ready to increase his or herown steering efforts, particularly in curves.
When the vehicle is approaching an off-ramp or a fork in the road, the drivershould steer toward the desired lane toindicate to Pilot Assist the desired direc-tion of travel.
Pilot Assist strives to keep the vehicle in the center of the lane
When Pilot Assist provides steering assis- tance, it strives to position the vehicle in thecenter of the lane between the lane markings.To make the driving experience as smooth aspossible, the driver should permit the vehicleto find good positioning. The driver shouldcheck that the vehicle is positioned safely inthe lane and can always adjust the vehicle'sposition by applying more force to the steeringwheel. If Pilot Assist does not position the vehicle appropriately in the lane, the driver shouldturn off Pilot Assist or switch to Adaptive Cruise Control
*.
Hands on the steering wheelPilot Assist only functions if the driver's hands are on the steering wheel.
If Pilot Assist detects that thedriver's hands are not on thesteering wheel, a symbol andtext message will appear toinstruct the driver to activelysteer the vehicle.
If the driver's hands are still not detected on the steering wheel after a few seconds havepassed, the instructions to actively steer thevehicle will be repeated, accompanied by anaudible signal.

DRIVER SUPPORT
* Option/accessory.
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Pilot Assist *42
standby mode
Pilot Assist can be deactivated and put in standby mode. This may happen automati-cally or be due to driver intervention.
Standby mode means that the function is selected in the instrument panel but not acti-vated. In standby mode, Pilot Assist will notregulate the speed or distance to the vehicleahead or provide steering assistance.
Standby mode due to action by the
driver
Pilot Assist will be deactivated and put instandby mode if any of the following occurs:
The brakes are applied.
The gear selector is moved to
N.
A turn signal is used for more than1 minute.
The vehicle is driven faster than the setspeed for more than 1 minute.
Automatic standby modePilot Assist is dependent on other systems, such as Electronic Stability Control (ESC 43
). If
any of these other systems stops working, Pilot Assist will be automatically deactivated.
WARNING
With automatic standby mode, the driver is warned by an acoustic signal and a mes-sage on the instrument panel.
The driver must then regulate vehicle speed, apply the brakes if necessary,and maintain a safe distance to othervehicles.
Adaptive Cruise Control may go into standbymode if, e.g.: the driver opens the door.
the brake temperature is high.
the driver's hands are not on the steering wheel.
the parking brake is applied.
the engine speed (rpm) is too low/high.
the driver unbuckles the seat belt.
one or more of the wheels lose traction.
the camera/radar sensor is covered by snow or heavy rain (the camera lens/radarwaves are blocked).
your vehicle's speed goes under 5 km/h(3 mph) and Pilot Assist cannot determineif the vehicle ahead is stationary or if it isanother object, e.g. a speed bump.
your vehicle's speed goes under 5 km/h(3 mph) and the vehicle ahead turns sothat Pilot Assist no longer has a vehicle tofollow.
Related information

Pilot Assist
* (p. 291)
Selecting and activating Pilot Assist
*
(p. 294)
Deactivating Pilot Assist
* (p. 295)
Pilot Assist
* limitations (p. 297)
42
Depending on market, this function can be either standard or optional.
43 Electronic Stability Control

DRIVER SUPPORT
}}}}
* Option/accessory.297
Temporarily deactivating steering assistance with Pilot Assist *44
Pilot Assist steering assistance can be tem- porarily deactivated and reactivated withoutprior warning.
When the turn signals are used, Pilot Assist's steering assistance will be temporarily deacti-vated. When the turn signal is switched off,steering assistance will be automatically reac-tivated if the traffic lane's side markings canstill be detected. If Pilot Assist cannot clearly interpret the lane's side marker lines or if the camera/radarsensor is unable for some other reason toclearly interpret the lane, Pilot Assist will tem-porarily deactivate steering assistance. How-ever, the speed and distance warnings willremain active. Steering assistance will resumewhen the side marker lines can once again beinterpreted. In these situations, the driver maybe alerted through slight vibrations in thesteering wheel that steering assistance is tem-porarily deactivated.
Related information
Pilot Assist
* (p. 291)
Selecting and activating Pilot Assist
*
(p. 294)
Deactivating Pilot Assist
* (p. 295)
Pilot Assist
* limitations (p. 297)
Pilot Assist *45
limitations
Pilot Assist functionality may be reduced in certain situations.
Pilot Assist is a driver support function designed to simplify driving and assist thedriver in many situations. However, the driveris always responsible for maintaining a suita-ble distance to vehicles or objects around itand ensuring that the vehicle is correctly posi-tioned in the traffic lane.
WARNING
In some situations, Pilot Assist may have trouble helping the driver properly or maybe deactivated automatically – we adviseagainst using Pilot Assist in such cases.Examples of such situations include:
the lane markings are worn, missing or cross each other.
lane division is unclear, for example,when the lanes divide or merge or atexits or when there are multiple sets ofmarkings.
edges or other lines than lane markingsare present on or near the road, e.g.curbs, joints or repairs to the road sur-face, edges of barriers, roadside edgesor strong shadows.
the lane is narrow or winding.
the lane contains ridges or holes.
weather conditions are poor, e.g. rain,snow or fog or slush or reduced visibil-ity with poor light conditions, back-lighting, wet road surface, etc.
The driver should also note that Pilot Assist has the following limitations:
High curbs, roadside barriers, tempo- rary obstacles (traffic cones, safety bar-riers, etc.) are not detected. Alterna-
44
Depending on market, this function can be either standard or optional.

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DRIVER SUPPORT
* Option/accessory.
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tively, they may be detected incorrectly as lane markings, with a subsequentrisk of contact between the vehicle andsuch obstacles. The driver is responsi-ble for ensuring that the vehicle main-tains a suitable distance from suchobstacles.
The camera and radar sensors do nothave the capacity to detect all oncom-ing objects and obstacles in trafficenvironments, e.g. potholes, stationaryobstacles or objects that completely orpartially block the route.
Pilot Assist does not "see" pedestrians,animals, etc.
The recommended steering input islimited in force, which means that itcannot always help the driver to steerand keep the vehicle within the lane.
In vehicles equipped with Sensus Navigation
*, the function is able to use
information from map data, which could cause variations in performance.
Pilot Assist will be switched off if thespeed-dependent power steeringwheel resistance is working at reducedpower, e.g. during cooling due to over-heating.WARNING
Pilot Assist should only be used if there are clear lane lines painted on each side of thelane. All other use will increase the risk ofcontact with nearby obstacles that cannotbe detected by the functions.
WARNING
This is not a collision avoidance sys- tem. The driver is always responsibleand must intervene if the system failsto detect a vehicle ahead.
The function does not brake for peopleor animals and does not brake for smallvehicles, such as bikes and motorcy-cles. Similarly, it does not brake for lowtrailers, oncoming, slow-moving or sta-tionary vehicles and objects.
Do not use the function in demandingsituations, such as in city traffic, atintersections, on slippery surfaces,with a lot of water or slush on the road,in heavy rain/snow, in poor visibility, onwinding roads, or on on/off ramps.
The driver can always correct or adjust steer-ing assistance provided by Pilot Assist by turn-ing the steering wheel to the desired position.
Steep roads and/or heavy loadsPilot Assist is primarily intended to be drivenon flat roads. The function may not be able tomaintain the correct time interval to the vehi-cle ahead when driving down steep hills. Thedriver should be extra attentive and preparedto apply the brakes. Do not use Pilot Assist if the vehicle is carrying a heavy load or towing a trailer.
NOTE
Pilot Assist cannot be activated if a trailer, bike carrier or similar is connected to thevehicle electrical system.
Other limitationsThe Off Road drive mode cannot be selected
when Pilot Assist is activated.
NOTE
The function uses the vehicle's camera and radar sensor, which has certain generallimitations.
Related information
Pilot Assist
* (p. 291)
Camera/radar sensor limitations (p. 313)
45
Depending on market, this function can be either standard or optional.

||
DRIVER SUPPORT
* Option/accessory.
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The previous illustration shows that Pilot Assist is set to maintain a speed of 110 km/h(68 mph) and is following a target vehicleahead that is traveling at the same speed. In this example, Pilot Assist will also provide steering assistance because it can detect thelane's side marking lines.
The previous illustration shows that Pilot Assist is set to maintain a speed of 110 km/h(68 mph) and that there is no target vehicleahead to follow. Pilot Assist will provide steering assistance because it can detect the lane's side markinglines.
Related information
Pilot Assist
* (p. 291)
Pilot Assist
* limitations (p. 297)
Collision risk warning from driver support
The driver support systems Adaptive Cruise Control * and Pilot Assist * can help alert the
driver if the distance to the vehicle ahead suddenly decreases to an unsafe distance.
Collision warning audible signal and symbol.
Acoustic collision warning signal
Collision warning symbol
Camera/radar sensor distance monitoring
Adaptive Cruise Control and Pilot Assist use approx. 40% of the braking capacity. If a sit-uation requires more braking force than driversupport can provide, and if the driver does not apply the brakes, a warning light and audible warning signal will be activated to alert thedriver that immediate action is required.

DRIVER SUPPORT
* Option/accessory.305
WARNING
The driver support system only issues a warning for obstacles detected by its radarsensor – thus, a warning may come after adelay or not at all.
Never wait for a warning or assistance. Apply the brakes when necessary.
NOTE
Driver support can keep the vehicle sta- tionary for no more than 5 minutes – afterthat time the parking brake is applied andthe function is deactivated. The parking brake must be released before driver support can be reactivated.
Deactivation of the Auto-hold brake function
In certain situations, auto-hold will be deacti- vated when the vehicle is at a standstill andthe function will go into standby mode. This means that the brakes will be released and the vehicle could begin to roll. The driver mustactively apply the brakes to keep the vehiclestationary. This can occur if:
the driver depresses the brake pedal
the parking brake is applied
the gear selector is moved to the
P, N or R
positions
the driver puts the function in standby mode.
Auto Activate Parking BrakeIn certain situations, the parking brake will beapplied to keep the vehicle at a standstill. This occurs if the function is keeping the vehi- cle stationary using the brakes and:
the driver opens the door or unbuckleshis/her seat belt
the function has kept the vehicle at astandstill for more than approx. 5 minutes
the brakes overheat
the driver switches off the engine man-ually.
Related information
Driver support systems (p. 272)
Adaptive Cruise Control
* (p. 282)
Pilot Assist
* (p. 291)
Brake functions (p. 407)
Drive mode for driver support The driver can choose different drive modes to determine how driver support shouldmaintain a time interval to the vehicle ahead.
Settings are made using the
DRIVE MODE
controls. Select one of the following:

Pure - Driver support will focus on provid-
ing good fuel economy, which will increase the time interval to the vehicleahead.

Hybrid - Driver support will focus on fol-
lowing the set time interval to the vehicle ahead as smoothly as possible.

Power - Driver support will focus on fol-
lowing the set time interval to the vehicle ahead more exactly, which could meanfaster acceleration and heavier braking.
Related information
Driver support systems (p. 272)
Drive modes (p. 423)
Setting time interval to the vehicle ahead(p. 303)