2018 VOLVO XC90 TWIN ENGINE engine

WINDOWS, GLASS AND MIRRORS
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* Option/accessory. 177
•
Filling washer fluid (p. 650)
• Windshield wipers in the service position
(p. 649)
• Replacing windshield wiper blades (p. 648)
• Changing rear window wipers (p. 647) Heated windshield washer nozzles*
The washer nozzles are heated automatically in
cold weather to prevent the washer fluid from
freezing.
Related information
• Using the rain sensor (p. 177)
• Using the windshield and headlight washers
(p. 179)
• Using automatic rear window wiping when
backing up (p. 181)
• Using the rain sensor's memory function
(p. 178)
• Using the rear window wiper/washer
(p. 180)
• Filling washer fluid (p. 650)
• Windshield wipers in the service position
(p. 649)
• Replacing windshield wiper blades (p. 648)
• Changing rear window wipers (p. 647)
• Using the windshield wipers (p. 176) Using the rain sensor
The rain sensor monitors the amount of water on
the windshield and automatically starts the wind-
shield wipers. Rain sensor sensitivity can be
adjusted using the thumb wheel on the 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 engine
must be running or the ignition must be in mode I
or II. The windshield wiper lever must also be in
position 0 or in the single sweep position.

||WINDOWS, GLASS AND MIRRORS
* Option/accessory.
178 Activate the rain sensor by pressing the rain sen-
sor button .
If the lever is pressed down, the wipers will make
additional sweeps across the windshield.
Turn the thumb wheel upward for increased sen-
sitivity and downward for decreased sensitivity.
The wipers will make one extra sweep when the
thumb wheel is turned upward.
Deactivate the rain sensor
Deactivate 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 deactivated
when the wiper blades are put in the service
position. The rain sensor will reactivate when
service mode is switched off.
CAUTION The windshield wipers may start inadvertently
and be damaged in automatic car washes.
Deactivate the rain sensor when the engine is
running or when the ignition is in mode I or II.
The symbol in the instrument panel will go
out.
Related information
• Using the windshield and headlight washers
(p. 179)
• Using automatic rear window wiping when
backing up (p. 181)
• Heated windshield washer nozzles* (p. 177)
• Using the rain sensor's memory function
(p. 178)
• Using the rear window wiper/washer
(p. 180)
• Filling washer fluid (p. 650)
• Windshield wipers in the service position
(p. 649)
• Replacing windshield wiper blades (p. 648)
• Changing rear window wipers (p. 647)
• Using the windshield wipers (p. 176) Using the rain sensor's memory
function
The rain sensor monitors the amount of water on
the windshield and automatically starts the wind-
shield wipers.
Activating/deactivating memory
function
The rain sensor's memory function can be set to
activate so that the rain sensor button does not
need to be pressed each time the engine is
started:
1.
Tap Settings in the Top view in the center
display.
2.

Tap My Car Wipers
.
3. Select Rain Sensor Memory to activate/
deactivate the memory function.
Related information
• Using the rain sensor (p. 177)
• Using the windshield and headlight washers
(p. 179)
• Using automatic rear window wiping when
backing up (p. 181)
• Heated windshield washer nozzles* (p. 177)
• Using the rear window wiper/washer
(p. 180)
• Filling washer fluid (p. 650)

SEATS AND STEERING WHEEL
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* Option/accessory. 185
Power front seats*
The power front seats can be adjusted in a num-
ber of different ways for optimal comfort and
ergonomics. The power seats can be moved for-
ward/backward and up/down. The height and
length* of the seat cushion and the tilt of the
backrest can be adjusted. Lumbar support can
be adjusted up, down, forward and backward.
The power seats have an overload protector that
is triggered if a seat is blocked by any object. If
this occurs, remove the object and attempt to
adjust the seat again.
The power seats can be adjusted for a certain
period of time after the door is unlocked without
the engine running. The seats can always be
adjusted while the engine is running. They can
also be adjusted for a short period after the
engine is turned off.
Related information
• Manual front seats (p. 184)
• Adjusting the power front seats* (p. 185)
• Storing memory settings in power front
seats* (p. 186)
• Using stored memory in a powered front seat
(p. 187)
• Adjusting front seat massage settings*
(p. 188)
• Adjusting front seat cushion length (p. 189)
• Front seat massage settings* (p. 188) •
Adjusting front seat side bolster settings*
(p. 190)
• Adjusting front seat lumbar support* (p. 190)
• Adjusting the passenger seat from the driv-
er's seat* (p. 191) Adjusting the power front seats*
Set the desired sitting position using the control
on the front seat's seating section. To activate
the multifunction control and set the various con-
venience functions, turn the control upward/
downward. To activate the multi-function control and set
the various comfort functions, turn the con-
trol* upwards/downwards.
Raise/lower the front edge of the seat cush-
ion by moving the control up/down.
Raise/lower the seat by moving the control
up/down.
Move the seat forward/rearward by moving
the control forward/rearward.
Change the backrest tilt by moving the con-
trol forward/backward.

SEATS AND STEERING WHEEL
* Option/accessory.
188 Front seat massage settings*
The settings can be adjusted using either the
multifunction control* on the seat or the center
display. The adjustment settings are shown in
the center display. Multifunction control, located on the side of the seat
cushion.
Massage settingsThe following massage settings are available:
• On/
Off: Select On/Off to turn on/off the
massage function.
• Programs 1-5: There are 5 preset massage
programs. Select Swell, Tread, Advanced,
Lumbar or Shoulder.
• Intensity: Select Low, Normal or High.
• Speed: Select Slow, Normal or Fast.
Restarting the massage function
The massage function turns off automatically
after 20 minutes. The function is reactivated
manually.
–
Tap
Restart, which is displayed in the center
display, to restart the selected massage pro-
gram.
>
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 memory settings in power front
seats* (p. 186)
• Using stored memory in a powered front seat
(p. 187)
• Adjusting front seat massage settings*
(p. 188)
• Adjusting front seat cushion length (p. 189)
• Adjusting front seat side bolster settings*
(p. 190)
• Adjusting front seat lumbar support* (p. 190)
• Adjusting the passenger seat from the driv-
er's seat* (p. 191) Adjusting front seat massage
settings*
The settings for the multifunctional seats can be
adjusted using either the mutifunction control on
the seat or the center display. The adjustment
settings are shown in the center display*.
Adjusting front seat massage settings*The front seat backrests have a massage func-
tion. Air-filled cushions provide the massaging
action 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 turning the control upward/downward. The seat set-
tings view will appear in the center display.
2. Select Massage in the seat settings view.
3.

Select massage settings by tapping the cen-
ter display or by moving the cursor up/down
using the multifunction control's upper/lower
buttons. Change a setting 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)

SEATS AND STEERING WHEEL
* Option/accessory.
192 •
Adjusting front seat side bolster settings*
(p. 190)
• Adjusting front seat lumbar support* (p. 190) Folding the second row backrests
The second row of seats has three individual
seating positions. The backrests can be folded
down separately.
WARNING •
Adjust the seat and ensure it locks into
position before driving. Use caution when
adjusting the seat. Uncontrolled or care-
less adjustments could lead to injury.
• Long objects must always be securely
tied down to help prevent injury or dam-
age in the event of sudden braking.
• Always turn off the engine and apply the
parking brake when loading or unloading
the vehicle.
• Put the gear selector in P to help prevent
the gear selector from being inadvertently
moved.
CAUTION When the backrest is folded down, make sure
there are no objects in the rear seat, and the
seat belts are not buckled. Otherwise there is
a risk of damage to the upholstery.
CAUTION The seat cushion of the integrated child
restraint* must be in the stowed position
before the center seat backrest can be folded
down.
The armrest* in the center seat must be
raised before the seat backrest is folded
down.
If the vehicle has private locking*, the ski
hatch must be closed before the seat back-
rest is folded down.
NOTE The front seats may need to be pushed for-
ward and/or the backrest adjusted so that the
rear seat backrests can be fully lowered.
The rear seats may also need to be moved
rearward.
The seats in the second row must be in the
upright position before they can be folded
down completely. They should not be folded
down when they are tilted forward to access
the third row of seats.

||SEATS AND STEERING WHEEL
* Option/accessory.
196
WARNING •
Adjust the seat and ensure it locks into
position before driving. Use caution when
adjusting the seat. Uncontrolled or care-
less adjustments could lead to injury.
• Long objects must always be securely
tied down to help prevent injury or dam-
age in the event of sudden braking.
• Always turn off the engine and apply the
parking brake when loading or unloading
the vehicle.
• Put the gear selector in P to help prevent
the gear selector from being inadvertently
moved.
Related information
• Folding the second row backrests (p. 192)
• Adjusting the second row head restraints
(p. 194)
• Adjusting the second row backrest tilt
(p. 196)
• Getting into and out of the third row of
seats* (p. 197)
• Folding the third row backrests* (p. 198) Adjusting the second row backrest
tilt
Backrest tilt can be adjusted separately for each
seat in the second row.
Center seat 1. Pull the strap on the right side of the center
seat.
2.

Adjust backrest tilt forward/backward by
decreasing/increasing pressure on the back-
rest.
3. Release the strap to lock the backrest in its new position and press on the backrest until
the lock engages.
Check to make sure the seat is securely locked
into place after its position has been changed.
Outboard seats 1. Pull the handle on the side of the seat
upward.
2.

Adjust backrest tilt forward/backward by
decreasing/increasing pressure on the back-
rest.
3. Release the handle to lock the backrest in its new position and press on the backrest until
the lock engages.
Check to make sure the seat is securely locked
into place after its position has been changed.

SEATS AND STEERING WHEEL
* Option/accessory.197
WARNING•
Adjust the seat and ensure it locks into
position before driving. Use caution when
adjusting the seat. Uncontrolled or care-
less adjustments could lead to injury.
• Long objects must always be securely
tied down to help prevent injury or dam-
age in the event of sudden braking.
• Always turn off the engine and apply the
parking brake when loading or unloading
the vehicle.
• Put the gear selector in P to help prevent
the gear selector from being inadvertently
moved.
Related information
• Folding the second row backrests (p. 192)
• Adjusting the second row head restraints
(p. 194)
• Moving the second row seats forward/rear-
ward* (p. 195)
• Getting into and out of the third row of
seats* (p. 197)
• Folding the third row backrests* (p. 198) Getting into and out of the third row
of seats*
The second row of seats can be adjusted for
easier access to the third row of seats*. To fold down the backrest:
1.
Pull the handle on the upper side of the right
or left outboard second row seat upward/
forward.
2. Fold the backrest down and move the entire seat forward.
To return the seat to the upright position:
– Push the seat rearward to its end position.
The backrest should then easily return to the
correct position.
NOTE If a backrest in the second row of seats does
not lock back into the upright position after
being folded down (e.g. for getting in or out of
the third row of seats), it may need to be
pushed forward again and then pushed back
with more force.
WARNING
Make sure that the rear seat backrest and
head restraint are locked securely in place
after the seat is folded up.
The head restraints at the outer seats must
always be raised when there is a passenger in
one of these spots of the rear seat.
Related information
•
Folding the second row backrests (p. 192)
• Adjusting the second row head restraints
(p. 194)
• Moving the second row seats forward/rear-
ward* (p. 195)
• Adjusting the second row backrest tilt
(p. 196)
• Folding the third row backrests* (p. 198)

||CLIMATE CONTROL
* Option/accessory.
216
Related information
• Climate system controls (p. 213)
• Activating and deactivating the heated front
seat* (p. 216) 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 activate
when the engine is started. When set to automat-
ically activate, heating will be turned on at low
ambient temperatures.
1. Tap Settings in the Top view in the center
display.
2. Tap Climate.
3. Select Auto Driver Seat Heating Level
and
Auto Passenger Seat Heating Level
to activate/deactivate automatic start of
heated driver's and passenger seat.
4. Select Low, Medium or High to select level
after the function has been activated.
Related information
• Climate system controls (p. 213)
• Activating and deactivating power front
seats* (p. 215) Activating and deactivating the
heated rear seats*
The seats can be heated for added comfort for
the driver and passengers in cold weather.
Activating and deactivating the heated
rear seats from the front seats Seat heating buttons in the Rear climate group in Cli-
mate view.
1. Open Climate view in the center display and select the Rear climate tab.
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.