2020 VOLVO S90 TWIN ENGINE engine

LIGHTING
* Option/accessory.161
brightness can be adjusted using the thumb wheel in the dashboard.
Lighting in the tunnel console's front
cup holder
The lighting in front console cup holdersswitches on when the vehicle is unlocked andoff when the vehicle is locked. The brightnesscan be adjusted using the thumb wheel in thedashboard.
Related information
Adjusting interior lighting (p. 161)
Lighting control and panel (p. 150)
Ignition modes (p. 401)
Passenger compartment interior (p. 552)
Adjusting interior lighting
Illumination in the vehicle varies depending on ignition mode. The interior lighting can beadjusted with a thumb wheel in the dash-board and certain light functions can also beadjusted via the center display.
The thumb wheel on the dashboard to the left of thesteering wheel can be usedto adjust the brightness ofthe display lighting, instru-ment lights, ambient lighting and mood lighting *.
Adjust ambient decor lighting1.
Tap Settings in the Top view in the center
display.
2. Tap
My CarLights and LightingInterior Lighting.
3. Choose from among the following set- tings:
Under
Ambient Light Intensity, selectOff, Low or High.
Under
Ambient Light Level, selectReduced or Full.
Adjusting mood lighting
*The vehicle is equipped with several LEDs that provide faint lighting in various colors. Thislighting is on when the engine is running.
Changing the brightness
1.
Tap Settings in the Top view in the center
display.
2. Tap
My CarLights and Lighting
Interior LightingInterior Mood
Lighting.
3. Under
Interior Mood Light Intensity,
select Off, Low or High.
Changing the color of the light
1. Tap Settings in the Top view in the center
display.
2. Tap
My CarLights and Lighting
Interior LightingInterior Mood
Lighting.
3. Choose
By Temperature or By Color to
change the color of the light. If
By Temperature is selected, the light
will change according to the temperature set for the passenger compartment. If
By Color is selected, the subcategoryTheme Colors can be used to make fur-
ther adjustments.
Related information
Interior Lighting (p. 159)
Adjusting light functions via the center display (p. 151)
Ignition modes (p. 401)

WINDOWS, GLASS AND MIRRORS
* Option/accessory.
170
Rearview/door mirrors
The rearview mirror and door mirrors can be used to improve the driver's visibility behindthe vehicle.
Rearview mirrorThe rearview mirror can be adjusted manually. The rearview mirror is equipped with Home- Link *, auto-dim * and compass *.
Door mirrors
WARNING
The door mirror on the passenger side is curved to improve visibility. Objects in themirror may appear farther away than theyactually are.
The joystick in the drivers' door control panel is used to adjust the position of the door mir-rors. There are also several automatic settingsthat can also be connected to the memory function buttons for the power seat *.
Related information

HomeLink ®
* (p. 445)
Compass
* (p. 449)
Adjusting the rearview mirror dimming function (p. 170)
Adjusting the door mirrors (p. 171)
Storing positions for seats, mirrors and head-up display
* (p. 186)
Activating and deactivating the heated rear window and door mirrors (p. 218)
Adjusting the rearview mirror dimming function
Bright light entering the vehicle from behind, e.g. from the headlights of following vehicles,could reflect in the rearview mirror and doormirrors and cause a glare. Use the dimmingfunction when light from behind is distract-ing.
Auto-dimIf bright light enters the vehicle from behind, the door mirrors will automatically dim. Auto-dim is always active when the engine is run-ning, except when reverse gear is engaged.
NOTE
Adjustments to the sensitivity level will not be noticeable immediately but will insteadtake effect after a short period of time.
The sensitivity level for dimming will affect both the rearview mirror and door mirrors. To change the dimming sensitivity level:1. Tap
Settings in the Top view in the center
display.
2. Tap
My CarMirrors and Convenience.
3. Under
Rearview Mirror Auto Dimming,
select Normal, Dark or Light.

WINDOWS, GLASS AND MIRRORS
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179

Using the rain sensor's memory function (p. 180)
Filling washer fluid (p. 621)
Putting the wiper blades in service posi-tion (p. 620)
Replacing windshield wiper blades(p. 619)
Using the rain sensor
The rain sensor monitors the amount of water on the windshield and automatically startsthe windshield wipers. Rain sensor sensitivitycan be adjusted using the thumb wheel onthe right-hand steering wheel lever.
Right-hand steering wheel lever.
Rain sensor button
Thumb wheel, sensitivity/interval wiper speed
When the rain sensor is activated, the
rain sensor symbol will be displayed in the instrument panel.
Activating the rain sensorWhen the rain sensor is activated, the enginemust be running or the ignition in mode I or II
while the windshield wiper lever is in position0 or in the single sweep position. Activate the rain sensor by pressing the rain sensor button
.
Move the lever downward for an extra wiper sweep. Turn the thumb wheel upward for increased sensitivity and downward for decreased sensi-tivity. The wipers will make one extra sweepwhen the thumb wheel is turned upward.
Deactivate the rain sensorDeactivate the rain sensor by pressing the
rain sensor button or moving the lever
upward to another wiper mode. The rain sensor is automatically deactivated in ignition mode 0 or when the engine is
switched off. The rain sensor is also automatically deacti- vated when the wiper blades are put in theservice position. The rain sensor will reactivatewhen service mode is switched off.
CAUTION
The windshield wipers may start inadver- tently and be damaged in automatic carwashes. Deactivate the rain sensor whenthe engine is running or when the ignitionis in mode I or II. The symbol in the instru-
ment panel will go out.

||
WINDOWS, GLASS AND MIRRORS
180
Related information
Using the windshield and headlight wash- ers (p. 180)
Wiper blades and washer fluid (p. 178)
Using the rain sensor's memory function(p. 180)
Filling washer fluid (p. 621)
Putting the wiper blades in service posi-tion (p. 620)
Replacing windshield wiper blades(p. 619)
Using the windshield wipers (p. 178)
Using the rain sensor's memory function
The rain sensor monitors the amount of water on the windshield and automatically startsthe windshield wipers.
Activating/deactivating memory function
The rain sensor's memory function can be set to activate so that the rain sensor button doesnot need to be pressed each time the engineis started: 1. Tap
Settings in the Top view in the center
display.
2. Tap
My CarWipers.
3. Select
Rain Sensor Memory to activate/
deactivate the memory function.
Related information
Using the rain sensor (p. 179)
Using the windshield and headlight wash- ers (p. 180)
Wiper blades and washer fluid (p. 178)
Filling washer fluid (p. 621)
Putting the wiper blades in service posi-tion (p. 620)
Replacing windshield wiper blades(p. 619)
Using the windshield wipers (p. 178)
Using the windshield and headlight washers The windshield and headlight washers are designed to clean the windshield and head-lights. Use the right-side steering wheel leverto start the windshield and headlight wash-ers.
Starting the windshield and headlight washers
Washing function, right-hand steering wheel lever.
–Move the right-hand steering wheel lever toward the steering wheel to start thewindshield and headlight washers.
> After the lever is released, the wipers
make several extra sweeps.

SEATS AND STEERING WHEEL
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* Option/accessory.185
Power* front seats
The front seats can be adjusted in a number of different ways to help enhance your seat-ing comfort. The power seat can be movedforward/backward and up/down. The height and length * of the seat cushion and the tilt of
the backrest can be adjusted. Lumbar sup-port * can be adjusted up, down, forward and
backward 3
.
The seats can be adjusted when the engine is running and for a certain period of time afterthe door has been unlocked without theengine running. They can also be adjusted fora short period after the engine is turned off.
CAUTION
The power seats have an overload protec- tor that is triggered if a seat is blocked byany object. If this occurs, remove theobject and attempt to adjust the seatagain.
Related information
Manual front seats (p. 184)
Adjusting the power
* front seats (p. 185)
Storing positions for seats, mirrors and head-up display
* (p. 186)
Using stored positions for seats, mirrorsand head-up display
* (p. 187)
Adjusting front seat massage settings
*
(p. 189)
Adjusting
* front seat cushion length
(p. 190)
Front seat massage
* settings (p. 188)
Adjusting front seat side bolster settings
*
(p. 191)
Adjusting front seat lumbar support
*
(p. 191)
Adjusting the passenger seat from thedriver's seat
* (p. 193)
Adjusting the power * front seats
Set the desired seating position using the controls on the front seat cushion. To set theconvenience functions, turn the multifunction control 4
upward/downward.
The illustration shows the controls in a vehicle with four-way lumbar support *. Vehicles with two-way
lumbar support * do not have the rotary multifunction
control.
In vehicles with four-way lumbar support *,
turn the multifunction control 4
up/down to
set the convenience functions. In vehicles with two-way lumbar support *, use the
round button to adjust the lumbar support forward/rearward.
Raise/lower the front edge of the seat cushion by moving the control up/down.
3 Applies for four-way lumbar support *. Two-way lumbar support * is adjusted forward/rearward.

SEATS AND STEERING WHEEL
* Option/accessory.189
Restarting the massage function
The massage function turns off automatically after 20 minutes. The function is reactivatedmanually.
–Tap Restart, which is displayed in the
center display, to restart the selected mas- sage program.
> The massage program will restart. If no selection is made, the message will be stored in Top view.
Related information
Manual front seats (p. 184)
Power
* front seats (p. 185)
Adjusting the power
* front seats (p. 185)
Storing positions for seats, mirrors and head-up display
* (p. 186)
Using stored positions for seats, mirrorsand head-up display
* (p. 187)
Adjusting front seat massage settings
*
(p. 189)
Adjusting
* front seat cushion length
(p. 190)
Adjusting front seat side bolster settings
*
(p. 191)
Adjusting front seat lumbar support
*
(p. 191)
Adjusting the passenger seat from thedriver's seat
* (p. 193)
Adjusting front seat massage settings *
The settings for the multifunctional seats can be adjusted using either the mutifunctioncontrol on the seat or the center display. Theadjustment settings are shown in the centerdisplay.
Adjusting front seat massage settingsThe front seat backrests have a massage func- tion. Air-filled cushions provide the massagingaction and a number of settings are available. The massage function can only be activated when the engine is running.
1. Activate the multifunction control by turn-
ing the control
upward/downward. The
seat settings view will appear in the center display. 2.
Select
Massage in the seat settings view.
3. Select massage settings by tapping the center display or by moving the cursor up/ down using the multifunction control's upper
/lower buttons. Change a set-
ting in the selected function by tapping the arrows on the center display or by using the multifunction control's front
/
rear
buttons.
Related information
Manual front seats (p. 184)
Power
* front seats (p. 185)
Adjusting the power
* front seats (p. 185)
Storing positions for seats, mirrors and head-up display
* (p. 186)
Using stored positions for seats, mirrorsand head-up display
* (p. 187)
Adjusting
* front seat cushion length
(p. 190)
Front seat massage
* settings (p. 188)
Adjusting front seat side bolster settings
*
(p. 191)
Adjusting front seat lumbar support
*
(p. 191)
Adjusting the passenger seat from thedriver's seat
* (p. 193)

CLIMATE CONTROL
* Option/accessory.211
displayed. The screen locks automatically after a period of inactivity.
Related information

Climate (p. 198)
Activating and deactivating power front seats
* (p. 211)
Activating and deactivating the heatedrear seats
* (p. 212)
Activating and deactivating front seat ven-tilation
* (p. 213)
Activating and deactivating the ventilatedrear seats
* (p. 213)
Activating and deactivating the heatedsteering wheel
* (p. 214)
Activating auto climate control (p. 215)
Activating and deactivating recirculation (p. 216)
Activating and deactivating max defroster(p. 217)
Activating and deactivating the heatedrear window and door mirrors (p. 218)
Setting the blower speed for the frontseats (p. 219)
Setting the blower speed for the rearseats (p. 219)
Synchronize temperature (p. 223)
Activating and deactivating air condition-ing (p. 223)
Activating and deactivating power front seats
*
The seats can be heated for added comfort for the driver and passengers in cold weather.
1. Tap the left- or right-side steering wheel and seat button in the center display's cli- mate bar to open the controls for steeringwheel and seat heating. If the vehicle is not equipped with ventila- ted seats or heated steering wheel (for thedriver's side), the button for seat heating isdirectly accessible in the climate bar.
2. Tap the seat heating button repeatedly to
select one of the four levels: Off, High,Medium or Low.
> The level is changed and the set level is displayed in the button.
Related information
Climate system controls (p. 209)
Activating and deactivating the heated front seat
* (p. 211)
Activating and deactivating the heated front seat *
The seats can be heated for added comfort for the driver and passengers in cold weather.
Seat heating can be set to automatically acti- vate when the engine is started. When set toautomatically activate, heating will be turnedon at low ambient temperatures. 1. Tap
Settings in the Top view in the center
display.
2. Tap
Climate.
3. Select
Auto Driver Seat Heating Leveland Auto Passenger Seat Heating Levelto activate/deactivate automatic start of heated driver's and passenger seat.
> An "A" will be displayed next to the rel-
evant seat heating button in the climate bar when auto start has been activated.
4. Select
Low, Medium or High to select
level after the function has been activated.
Related information
Climate system controls (p. 209)
Activating and deactivating power front seats
* (p. 211)

CLIMATE CONTROL
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* Option/accessory.213
Activating and deactivating front seat ventilation *
The seats can be ventilated to provide increased comfort in warm weather.
The ventilation system consists of fans in the seats and backrest that draw air through theseat upholstery. The cooler the passengercompartment is, the greater the cooling effectof the ventilation. The system can be activatedwhen the engine is running.
1. Tap the left- or right-side steering wheel and seat button in the center display's cli- mate bar to open the controls for steeringwheel and seat heating. If the vehicle is not equipped with heated seats or heated steering wheel (for thedriver's side), the button for seat ventila-tion is directly accessible in the climatebar.
2. Tap the seat ventilation button repeatedly
to select one of the four levels: Off, High,Medium or Low.
> The level is changed and the set level is displayed in the button.
Related information
Climate system controls (p. 209)
Activating and deactivating the ventilated rear seats
*
The seats can be ventilated to provide increased comfort in warm weather.
The ventilation system consists of fans in the seats and backrest that draw air through theseat upholstery. The cooler the passengercompartment is, the greater the cooling effectof the ventilation. The system can be activatedwhen the engine is running.
Activating and deactivating the ventilated rear seats from the front seats
1. Tap the symbol in the center of the climate bar to open Climate view in the center dis- play.
2. Select the
Rear climate tab.
3. Tap the left- or right-side seat button to
open the seat controls. If the vehicle is not equipped with heated seats, the button for seat ventilation isdirectly accessible in the climate bar.