2019 VOLVO S60 TWIN ENGINE sensor

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CauseAction
Water or snow is spraying/swirling up and blocking the radar signalsor the camera's range of visibility.No action. Very wet or snow-covered roads may sometimes prevent the camera/radar sensor from functioning.
There is dirt between the inside of the windshield and the camera/radar sensor.Consult a workshop to have the area of the windshield on the inside of the camera'scasing cleaned. An authorized Volvo workshop is recommended.
Bright sunlight.No action. The camera/radar sensor will reset automatically when lighting conditionsimprove.

High temperatures
If the temperature in the passenger compartmentis very high, the camera/radar sensor will switchoff temporarily for approx. 15 minutes after theengine is started to protect its electronic compo-nents. When the temperature has cooled suffi-ciently, the camera/radar sensor will automati-cally restart.

Damaged windshield
NOTE
Failure to take action could result in reducedperformance for the driver support systemsthat use the camera and radar unit. It couldcause functions to be reduced, deactivatedcompletely or to produce an incorrect func-tion response.
To avoid the risk of loss of function, malfunctionor reduced function of the driver support systemsthat use the radar sensor, the following alsoapply:
If there are cracks, scratches or stone chipson the windshield in front of any of the cam-era and radar sensor "windows" and this cov-ers an area of about 0.5 × 3.0 mm(0.02 × 0.12 in.) or more, contact a workshop
to have the windshield replaced45.
Volvo advises against repairing cracks,scratches or stone chips in the area in frontof the camera and radar sensor – the entirewindshield should instead be replaced.
Before replacing the windshield, contact a
workshop45 to verify that the right windshieldhas been ordered and installed.
The same type of windshield wipers or wip-ers approved by Volvo should be used forreplacement.
If the windshield is replaced, the camera andradar sensor must be recalibrated by a work-
shop45 to help ensure proper functioning ofall of the vehicle's camera and radar-basedsystems.
Radar
Vehicle speed
The radar sensor's ability to detect a vehicleahead is significantly reduced if the speed of thevehicle ahead differs greatly from your vehicle'sspeed.
45An authorized Volvo workshop is recommended.

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Limited field of vision
The radar sensor has a limited field of vision. Insome situations, it may detect a vehicle later thanexpected or not at all.
The radar sensor's field of vision.
The radar sensor's detection of vehicles veryclose to your vehicle may be delayed in cer-tain situations, e.g. if a vehicle pulls in
between your vehicle and the vehicle directlyahead.
Small vehicles, such as motorcycles, or vehi-cles that are not driving in the center of thelane may remain undetected.
In curves, the radar may detect the wrongvehicle or lose sight of a target vehicle.

Low trailers
Low trailer in the radar shadow.
Low trailers may also be difficult or even impossi-ble for the radar to detect. The driver should beextra alert when driving behind vehicles towinglow trailers when Adaptive Cruise Control or PilotAssist is activated.

Camera
Reduced visibility
Cameras have the same limitations as the humaneye. In other words, their “vision" is impaired byadverse weather conditions such as heavy snow-fall/rain, dense fog, swirling dust/snow, etc.These conditions may reduce the function of sys-
tems that depend on the camera or cause thesesystems to temporarily stop functioning.
Strong sunlight, reflections from the road surface,ice or snow covering the road, a dirty road sur-face, or unclear lane marker lines may drasticallyreduce the camera

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Park Assist Camera *
Blind sectors
There are "blind" sectors between the cameras' fields ofvision.
With Park Assist Camera's 360° view* selected,objects/obstacles may not be detected if theyare located in the "joints" where the edges of theindividual camera views meet.

WARNING
Even if it seems as though only a fairly smallsection of the screen image is obstructed, thismay mean that a relatively large sector is hid-den and obstacles there may not be detecteduntil they are very near the vehicle.
Defective camera
If a camera sector is dark andcontains this symbol, this indi-cates that the camera is notfunctioning properly.
See the following illustration foran example.
The vehicle's left-side camera is malfunctioning.
A dark camera sector may also be displayed inthe following situations, but without the defectivecamera symbol:
a door is open
the trunk lid is open
a rearview mirror is folded in

Lighting conditions
The camera image is automatically adjustedaccording to the current lighting conditions. Thismeans that the brightness and quality of the
image may vary slightly. Poor lighting conditionsmay result in reduced image quality.
Rear Park Assist Camera
WARNING
Be extra cautious whenreversing if this symbol isshown when a trailer, bikecarrier or similar is attachedand electrically connectedto the vehicle.
The symbol indicates thatthe rear parking assist sensors are deacti-vated and will not warn of any obstacles.

NOTE
A bike carrier and other accessories mountedon the rear of the vehicle can obscure thecamera's view.

Related information
Camera (p. 299)
Radar sensor (p. 297)
Recommended camera and radar sensormaintenance (p. 304)
Park Assist Camera* (p. 355)

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Recommended camera and radarsensor maintenance
In order for the camera and radar sensor to func-tion properly, they must be kept free of dirt, ice,snow, etc. and should be washed regularly withwater and car washing detergent.

NOTE
Dirt, ice and snow covering the sensors couldcause false warnings, reduced function, or nofunction.
Location of the Park Assist sensors.
Location of rear radar sensors. Keep the marked areaclean (on both the left and right sides of the vehicle).
For optimal performance, it is important tokeep the areas in front of the sensors clean.
Do not attach any objects, tape or decals tothe surface of the sensors.
Clean the camera lenses regularly usinglukewarm water and car washing detergent.Wash gently to avoid scratching the lens.

CAUTION
Maintenance of driver support components
may only performed by a workshop46.

Related information
Camera (p. 299)
Radar sensor (p. 297)
Camera/radar sensor limitations (p. 300)
Park Assist Camera* (p. 355)
46An authorized Volvo workshop is recommended.

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City Safety™
City Safety47 can alert the driver with light,sound and pulsations in the brake pedal to helpthe driver detect pedestrians, cyclists, large ani-mals and vehicles that appear suddenly – thevehicle will then attempt to automatically brake ifthe driver does not act within a reasonableamount of time.
Location of the camera and radar sensor.
City Safety can help prevent a collision or lowerthe vehicle's speed at the point of impact.
City Safety is an aid intended to assist the driverif a collision with a pedestrian, large animal,cyclist or vehicle is imminent.
City Safety can help the driver avoid a collisionwhen e.g. driving in stop-and-go traffic, when
changes in the traffic ahead and driver distractioncould lead to an incident.
The function assists the driver by automaticallyapplying the brakes if there is an imminent risk ofa collision and the driver does not react in time bybraking and/or steering away.
City Safety activates a brief, forceful braking in anattempt to stop your vehicle immediately behindthe vehicle or object ahead.
City Safety is activated in situations in which thedriver should have applied the brakes much ear-lier, which means that the system will not be ableto assist the driver in all situations.
City Safety is designed to be activated as late aspossible to help avoid unnecessary intervention.
Normally, the occupants of the vehicle will not beaware of City Safety except when the systemintervenes when a collision is imminent.

WARNING
The City Safety auto-brake function canprevent a collision or reduce collisionspeed, but to ensure full brake perform-ance the driver should always depress thebrake pedal – even when the car auto-brakes.
The warning and steering assistance areonly activated if there is a high risk of col-lision – you must therefore never wait forthe collision warning or City Safety tointervene.
Warnings and brake interventions forpedestrians and cyclists are disengagedat vehicle speeds over 80 km/h(50 mph).
City Safety does not activate auto-brakingintervention during heavy acceleration.
47This function is not available on all markets.

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Large animals
If there is a risk of colliding with a large animal,City Safety can help reduce your vehicle's speedby up to 15 km/h (9 mph).
The braking function for large animals is primarilyintended to mitigate the force of a collision athigher speeds. Braking is most effective atspeeds above 70 km/h (43 mph) and less effec-tive at lower speeds.

City Safety sub-functions
Function overview.
Acoustic collision warning signal
Collision warning symbol
Camera/radar sensor distance monitoring
City Safety carries out three steps in the follow-ing order:
1.Collision warning
2. Brake assistance
3. Auto-brake
Descriptions of what happens in these threesteps are provided below.
1 - Collision warning
The driver is first alerted to the risk of an immi-nent collision.
In vehicles equipped with a head-up display*, aflashing warning symbol will be displayed on thewindshield.
Collision warning symbol on the windshield.
NOTE
Visual warnings on the windshield may be dif-ficult to notice in cases of strong sunlight,reflections, extreme light contrasts, or if thedriver is wearing sunglasses or is not lookingstraight ahead.
City Safety can detect pedestrians, cyclists orvehicles that are stationary, are moving in thesame direction as your vehicle and are ahead ofyour vehicle. City Safety can also detect pedes-trians, cyclists or large animals that are crossingthe road in front of your vehicle.
If there is a risk of a collision with a pedestrian,large animal, cyclist or another vehicle, the driverwill be alerted with light, sound and pulsations inthe brake pedal. At lower speeds, during hardbraking or if the accelerator pedal is pressed, thebrake pedal pulsation warning will not be given.The intensity of the brake pedal pulsations variesaccording to the vehicle's speed.

2 - Brake assistance
If the risk of a collision increases after the colli-sion warning, brake support will be activated.
If the system determines that the pressure thedriver is exerting on the brake pedal is insufficientto prevent the collision, brake support willincrease pressure.

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WARNING
The driver support system only issues a warn-ing for obstacles detected by its radar sensor– thus, a warning may come after a delay ornot at all.
Never wait for a warning or assistance.Apply the brakes when necessary.

WARNING
The function is supplementary driver sup-port intended to facilitate driving and helpmake it safer – it cannot handle all situa-tions in all traffic, weather and road condi-tions.
The driver is advised to read all sectionsin the Owner's Manual about this functionto learn of its limitations, which the drivermust be aware of before using the func-tion.
Driver support functions are not a substi-tute for the driver's attention and judg-ment. The driver is always responsible forensuring the vehicle is driven in a safemanner, at the appropriate speed, with anappropriate distance to other vehicles,and in accordance with current trafficrules and regulations.
Related information
City Safety™ (p. 305)
Limitations of City Safety in crossing traffic(p. 312)
Limitations of City Safety incrossing traffic
In certain situations, it may be difficult for CitySafety to help the driver avoid a collision withcrossing traffic.
For example:
on slippery roads when Electronic StabilityControl (ESC) is actively operating
if an approaching vehicle is detected at a latestage
if the oncoming vehicle is partially obstructedby another vehicle or object
if the oncoming vehicle's headlights are off
if the oncoming vehicle is moving erraticallyand e.g. suddenly changes lanes at a latestage.

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NOTE
The function uses the vehicle's camera andradar sensor, which has certain general limita-tions.

Related information
City Safety in crossing traffic (p. 311)
City Safety limitations (p. 316)
Camera/radar sensor limitations (p. 300)
City Safety steering assistance forevasive maneuver
City Safety steering assistance can help thedriver steer away from a vehicle/obstacle when itis not possible to avoid a collision by brakingalone. City Safety steering assistance is alwaysactivated and cannot be switched off.
Your vehicle swerves away
Slow-moving/stationary vehicle or obstacle.
City Safety helps provide assistance by strength-ening the driver's steering movements, but only ifthe driver has begun evasive action and the sys-tem detects that the driver's steering movementsare not sufficient to avoid a collision.
The brake system is used simultaneously to fur-ther strengthen steering movements. The func-
tion also helps stabilize the vehicle after it haspassed the obstacle.
City Safety steering assistance can detect:
vehicles
cyclists
pedestrians
large animals

WARNING
The function is supplementary driver sup-port intended to facilitate driving and helpmake it safer – it cannot handle all situa-tions in all traffic, weather and road condi-tions.
The driver is advised to read all sectionsin the Owner's Manual about this functionto learn of its limitations, which the drivermust be aware of before using the func-tion.
Driver support functions are not a substi-tute for the driver's attention and judg-ment. The driver is always responsible forensuring the vehicle is driven in a safemanner, at the appropriate speed, with anappropriate distance to other vehicles,and in accordance with current trafficrules and regulations.