2019 VOLVO S90 TWIN ENGINE maintenance

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given, the indicator light will become brighter andbegin flashing.

NOTE
The light illuminates on the side of the vehiclewhere the system has detected the vehicle. Ifthe vehicle is passed on both sides simulta-neously, both lights come on.

WARNING
The BLIS function is supplementary driversupport intended to facilitate driving andhelp make it safer – it cannot handle allsituations in all traffic, weather and roadconditions.
The responsibility for changing lanessafely and using good judgment alwaysrests with the driver.
BLIS is not a substitute for the driver'sattention and judgment. The driver isalways responsible for ensuring the vehi-cle is driven in a safe manner, at theappropriate speed, with an appropriatedistance to other vehicles, and in accord-ance with current traffic rules and regula-tions.

Related information
Activating/deactivating BLIS (p. 348)
BLIS limitations (p. 349)
Recommended maintenance for BLIS(p. 350)
BLIS messages (p. 351)
Activating/deactivating BLIS
The BLIS71 function can be activated/deacti-vated.
Location of BLIS indicator light.72
Indicator light
The BLIS button in the center display's Func-tion view is used to activate/deactivate thefunction.
–Tap the BLIS button in Function view.
> The BLIS indicator light shows the statusof the function: GREEN (on) or GRAY(off).
If BLIS is activated when the engine is started,the indicator lights in the rearview mirrors willflash once.
If BLIS is deactivated when the engine is turnedoff, it will remain off the next time the engine isstarted and the indicator lights will not illuminate.

DRIVER SUPPORT
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Recommended maintenance forBLIS
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.
Keep the marked area clean (on both the left and rightsides of the vehicle)75.
The BLIS sensors are located on the inside ofeach of the rear fenders/bumpers and are alsoused by the Cross Traffic Alert (CTA) and RearCollision Warning functions.

CAUTION
Repair of BLIS and CTA components orrepainting of the bumper may only be per-formed by a workshop – an authorized Volvoworkshop is recommended.

Related information
BLIS* (p. 347)
Cross Traffic Alert* (p. 352)
Activating/deactivating Cross Traffic Alert(p. 353)
Cross Traffic Alert limitations (p. 353)
Recommended maintenance for CrossTraffic Alert (p. 354)
Cross Traffic Alert messages (p. 355)
Rear Collision Warning (p. 346)
75Note: This illustration is general and details may vary depending on model.

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Cross Traffic Alert*
CTA77 is a supplementary driver support system
to BLIS78 that is intended to help the driverdetect vehicles crossing behind the vehiclewhile backing up.
CTA overview.
CTA supplements BLIS by detecting traffic cross-ing from the side, e.g. when backing out of aparking space.
CTA is primarily designed to detect vehicles, butin certain cases can also detect pedestrians orsmaller objects such as bicycles.
CTA is only active when the vehicle is movingbackward or if reverse gear is engaged.
If CTA detects that something is approachingyour vehicle from the side:
an audible signal will sound from either theleft or right speaker, depending on whichside of your vehicle the object is approachingfrom.
an icon will illuminate in the PAS79 graphicon the screen.
an icon will appear in the Park Assist Cam-era's Top view.
Illuminated CTA icon in the PAS graphic80 on thescreen.

WARNING
The Cross Traffic Alert function is supple-mentary driver support intended to facili-tate driving and make it safer – it cannothandle all situations in all traffic, weatherand road conditions.
The responsibility for reversing the vehiclesafely and using good judgment alwaysrests with the driver.
Cross Traffic Alert is not a substitute forthe driver's attention and judgment. Thedriver is always responsible for ensuringthe vehicle is driven in a safe manner, atthe appropriate speed, with an appropri-ate distance to other vehicles, and inaccordance with current traffic rules andregulations.

Related information
Activating/deactivating Cross Traffic Alert(p. 353)
Cross Traffic Alert limitations (p. 353)
Recommended maintenance for CrossTraffic Alert (p. 354)
Cross Traffic Alert messages (p. 355)
77Cross Traffic Alert78Blind Spot Information79Park Assist System: Parking assistance with reversing sensors80Note: This illustration is general and details may vary depending on model.

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Examples of further limitations
Dirt, ice and snow covering the sensors mayreduce functionality and prevent the systemfrom providing warnings. For additional infor-mation, see the section "Recommendedmaintenance for Cross Traffic Alert".
CTA is automatically deactivated if a trailer,bicycle holder or similar is connected to thevehicle's electrical system.
For CTA to function optimally, bicycle hold-ers, luggage racks or similar should not bemounted on the vehicle's towbar.

Related information
Cross Traffic Alert* (p. 352)
Recommended maintenance for CrossTraffic Alert (p. 354)
Recommended maintenance forCross Traffic Alert
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.
Keep the marked area clean (on both the left and rightsides of the vehicle)83.
The CTA sensors are located on the inside ofeach of the rear fenders/bumpers and are also
used by the BLIS84 and Rear Collision Warningfunctions.
CAUTION
Repair of BLIS and CTA components orrepainting of the bumper may only be per-formed by a workshop – an authorized Volvoworkshop is recommended.

Related information
Cross Traffic Alert* (p. 352)
BLIS* (p. 347)
Rear Collision Warning (p. 346)
83Note: This illustration is general and details may vary depending on model.84Blind Spot Information

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Park Assist*
The Park Assist function can help the driverwhen maneuvering in tight spaces by indicatingdistances to obstacles using audible signals andgraphics in the center display.
Display view showing obstacle zones and sensor sec-tors.
The center display shows an overview of the vehi-cle in relation to objects that have been detected.
The marked sector indicates where the obstacleis located. The closer the vehicle symbol is to amarked sector forward/rearward, the closer thedetected obstacle is to your vehicle.
The side sectors change color as the distancebetween the vehicle and an object decreases.
The audible signals will also speed up the closerthe obstacle is to the vehicle. The volume of theaudio system will be automatically lowered.
Audible signals for obstacles in front and to thesides of the vehicle are active when the vehicle ismoving but will cease after the vehicle has beenstationary for approx. 2 seconds. Audible signalsfor obstacles behind the vehicle will remain activeeven when the vehicle is stationary.
If a detected obstacle is within approx. 30 cm(1 ft) from the front or rear of the vehicle, thetone will become constant and the active sen-sor's field closest to the vehicle symbol will befilled in.
At distances within approx. 25 cm (0.8 ft) from anobstacle to the sides of the vehicle, an rapid puls-ing signal will be given and the active sectorfields will change color from ORANGE to RED.
The volume of the Park Assist audible signalscan be adjusted while the signal is being givenusing the >II knob or in the center display's Topview under Settings.

NOTE
Besides in the sector closest to the vehi-cle symbol, audible warnings are only pro-vided for objects located directly in thevehicle's path.
WARNING
The Parking Assist function is supple-mentary driver support intended to facili-tate driving and help make it safer – itcannot handle all situations in all traffic,weather and road conditions.
The parking sensors have dead/blindspots where objects cannot be detected.
Pay particular attention to people andanimals near the vehicle.
Parking Assist is not a substitute for thedriver's attention and judgment. The driveris always responsible for ensuring thevehicle is driven in a safe manner, at theappropriate speed, with an appropriatedistance to other vehicles, and in accord-ance with current traffic rules and regula-tions.

Related information
Park Assist front, rear and sides (p. 383)
Activating/deactivating Park Assist (p. 384)
Park Assist limitations (p. 385)
Recommended maintenance for Park Assist(p. 386)
Park Assist symbols and messages (p. 387)

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Recommended maintenance forPark Assist
For Park Assist to function optimally, its sensorsmust be cleaned regularly with water and carwashing detergent.
Location of the Park Assist sensors108.

NOTE
Dirt, ice and snow covering the sensors couldcause false warnings, reduced function, or nofunction.

Related information
Park Assist* (p. 382)
108Note: This illustration is general and details may vary depending on model.

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Related information
Park Assist Camera views (p. 389)
Park Assist Camera trajectory lines (p. 391)
Sensor field from Park Assist for Park AssistCamera (p. 393)
Starting the Park Assist Camera (p. 394)
Park Assist Camera limitations (p. 395)
Recommended maintenance of the ParkAssist Camera (p. 396)
Park Assist Camera symbols and messages(p. 397)
Activating/deactivating Park Assist (p. 384)
Cross Traffic Alert* (p. 352)
Park Assist Camera views
PAC can display a 360° panoramic view as wellas separate views for each of the other cameras:rear, front, left and right.

360° view *
The location of the cameras and their approximate fieldsof vision.
The 360° view function activates all Park AssistCameras and all four sides of the vehicle areshown in the center display at once to help thedriver see what is around the vehicle whilemaneuvering at low speeds.
From the 360° view, each camera view can beactivated separately:
Tap the screen to select the camera's field ofvision, e.g. in the area in front/above the frontcamera.
The active cameras will be indi-cated by a camera symbol onthe vehicle symbol in the centerdisplay.
If the vehicle is equipped withPark Assist System*, the dis-tance to detected obstacles will be illustrated byfields in different colors.
The cameras can be activated automatically ormanually. See "Starting the Park Assist Camera"for more information.

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means that the brightness and quality of theimage may vary slightly. Poor lighting conditionsmay result in reduced image quality.

Related information
Park Assist Camera* (p. 388)
Recommended maintenance of thePark Assist Camera
Each of the Park Assist Cameras, located abovethe license plate, the grille and in both door mir-rors, require a certain degree of maintenance.
Clean the camera lenses regularly using luke-warm water and car washing detergent. Washgently to avoid scratching the lens.

NOTE
Keep the camera lens free of dirt, snow andice to help ensure the best functionality. Thisis particularly important in poor light condi-tions.

Related information
Park Assist Camera* (p. 388)