brake sensor VOLVO XC90 TWIN ENGINE 2019 Owner's Manual

DRIVER SUPPORT
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391
Park Assist front, rear and sides
Park Assist has different parameters depending
on which part of the vehicle is approaching an
obstacle.
Front camera Continuous tone warning signal when the obstacle is
less than approx. 30 cm (1 ft) from the vehicle
112
.
Park Assist's front sensors are automatically acti-
vated when the engine is started. They are active
at speeds below 10 km/h (6 mph).
The distance monitored extends approx. 80 cm
(2.5 ft) in front of the vehicle.
NOTE The Parking Assist system is deactivated
when the parking brake is applied or when P
is selected on vehicles with automatic trans-
mission.
CAUTION
When installing auxiliary lights: Make sure
these do not obscure the sensors – the auxili-
ary lights could be perceived as an obstacle.
Back
Continuous tone warning signal when the obstacle is
less than approx. 30 cm (1 ft) from the vehicle
112The rear sensors will be activated if the vehicle
begins rolling backward or if reverse gear is
engaged.
The distance monitored extends
approx. 1.5 meters (5 ft) behind the vehicle.
The Parking Assist system's rear sensors will be
automatically deactivated if the vehicle is backing
up with a trailer connected to the vehicle's elec-
trical system.
NOTE
When reversing with e.g. a trailer or bike car-
rier on the trailer hitch – without Volvo original
trailer cables – the Parking Assist system may
have to be turned off manually to prevent the
sensors from reacting to these.
112
The illustration is generic - details may vary according to vehicle mode\
l.

DRIVER SUPPORT
* Option/accessory.393
Park Assist limitations
Park Assist may not be able to detect all condi-
tions in all situations and functionality may there-
fore be limited in certain cases.
The driver should be aware of the following limi-
tations for Park Assist:
WARNING Be extra cautious when
reversing if this symbol is
shown when a trailer, bike
carrier or similar is attached
and electrically connected
to the vehicle.
The symbol indicates that
the rear parking assist sensors are deacti-
vated and will not warn of any obstacles.
CAUTION Objects such as chains, thin and glossy poles
or low obstacles may end up in the "signal
shadow" and then go temporarily undetected
by the sensors – the pulsating tone may then
unexpectedly stop instead of becoming a
constant tone as expected.
The sensors cannot detect high objects, such
as protruding ramps.
In such situations, pay extra attention and
maneuver/drive the vehicle very slowly or
stop the current parking maneuver –
there may be a high risk of damage to
the vehicle or other objects since infor-
mation from the sensors is not always
reliable in such situations.
CAUTION In some circumstances, the Park Assist Sys-
tem may produce false warnings due to exter-
nal sound sources with the same ultrasonic
frequencies as those the system works with.
Examples of such sources are horns, wet tires
on asphalt, pneumatic brakes, exhaust noise
from motorcycles, etc.
NOTE When a trailer hitch is configured with the
vehicle electrical system, the trailer hitch pro-
trusion is included when the function meas-
ures the distance to objects behind the vehi-
cle.
Related information

Park Assist* (p. 390)

||DRIVER SUPPORT
412
The parking sequence is cancelledA parking sequence will be cancelled if:
the driver moves the steering wheel
the vehicle's speed exceeds 7 km/h (4 mph)
the driver taps
Cancel in the center display
when the anti-lock brakes or the Electronic
stability control are engaged - e.g. when a
wheel loses grip on a slippery road
when the power steering works at reduced
power - e.g. during cooling due to overheat-
ing (see section "Speed-dependent steering
force").
A message in the center display will explain why
the parking sequence was cancelled.
CAUTION Under certain circumstances, PAP may not be
able to find parking spaces – one reason may
be that the sensors are disrupted by external
sound sources that emit the same ultrasonic
frequencies that the system works with.
Examples of such sources include horns, wet
tires on asphalt, pneumatic brakes, exhaust
noise from motorcycles, etc.
NOTE Dirt, ice and snow covering the sensors
reduce their function and can make measure-
ment impossible.
Driver responsibilityThe driver should keep in mind that PAP is a
parking aid ‒ not an infallible fully automatic sys-
tem. The driver must always be prepared to take
control and cancel a parking sequence if neces-
sary.
There are a number of things to keep in mind
when parking, including:
The driver is always responsible for determin-
ing if the space suggested by PAP is suita-
ble for parking.
Do not use PAP when using snow chains or
a temporary spare tire.
Do not use PAP if there are any objects pro-
truding from the vehicle.
Heavy rain or snowfall may inhibit PAP's abil-
ity to accurately measure a parking space.
While searching and measuring the parking
space, PAP may be unable to detect objects
located far into the space.
PAP may not suggest parking spaces on
narrow streets if it does not detect sufficient
space for maneuvering the vehicle.
Use approved tires 126
inflated to the correct
tire pressure because this affects PAP's abil-
ity to provide parking assistance.
PAP's function is based on the way the vehi-
cles are parked behind and in front of your
parking space. If they are, for example,
parked too close to the curb, there is a risk
that your vehicle's tires or wheel rims could
be damaged by the curb during the parking
procedure.
Perpendicular parking spaces may not be
detected or may be suggested unnecessarily
if a parked vehicle is sticking out more than
other parked vehicles.
PAP is intended to provide parking assis-
tance on straight streets, not sections of
street with sharp curves or bends. Always
make sure that your vehicle is parallel to rel-
evant parking spaces when PAP is measur-
ing the parking space.
CAUTION Switching to another approved wheel and/or
tire dimension could change the tire circum-
ference, which would then require the PAP
system to be updated. Consult a workshop –
an authorized Volvo workshop is recom-
mended.
126
"Approved tires" refers to tires of the same type and make as the vehicl\
e's original, factory-installed tires.

||STARTING AND DRIVING
440
Symbols in the instrument panel
Symbol
Meaning A
B
Check the brake fluid level. If the
level is low, fill brake fluid and
check to determine the reason for
the loss of brake fluid. A
B
Fault in pedal sensor. Symbol
Meaning A
B
Steady glow for 2 seconds after
the engine is started: Automatic
function check.
Steady glow for more than 2 sec-
onds: Fault in the ABS system. The
vehicle's regular brake system is
still working, but without the ABS
function. If the message Brake pedal Cha-
racteristics changed Service
required is displayed, the "Brake-
by-wire" system is not functioning
properly. Greater pressure will be
required to brake the vehicle. A
In Canada.
B In the US.WARNING If the warning symbols for both brake fault
and ABS fault are lit simultaneously, there
may be a fault in the brake system.
If the brake fluid reservoir level is normal
when this occurs, drive carefully to the
nearest workshop to have the brake sys-
tem checked - an authorized Volvo work-
shop is recommended.
If the brake fluid has fallen below the MIN
level in the brake fluid reservoir, the vehi-
cle should not be driven until the brake
fluid has been filled. The reason for the
brake fluid loss must be checked.
Related information
Brake Assist System (p. 441)
Auto-hold brakes (p. 446)
Hill Start Assist (p. 447)
Braking on wet roads (p. 441)
Braking on salted roads (p. 441)
Maintenance of the brake system (p. 442)
Brake lights (p. 160)

||MAINTENANCE AND SERVICE
* Option/accessory.
636 Function
Ampere12 V outlet in trunk/cargo
compartment*
USB ports for iPad holders
B15 –
––
––
––
–Heated windshield*, left side
ShuntHeated windshield*, left side
40Headlight washers*
25Windshield washer
25–
–Horn
20Alarm siren*
5Brake system control module
(valves, parking brake)
40Wipers
30Rear window washer
25 Function
Ampere Heated windshield*, right side
40 Parking heater*
20 Brake system control module
(ABS pump)
40 –
– Heated windshield*, right side
Shunt Fed when ignition is on:
Engine control module; trans-
mission components, electrical
power steering, central electri-
cal module
5 Exterior vehicle sound (certain
markets)
5 Right-side headlight
7.5
Right-side headlight, some
models with LED C 15 –
– –
– –
– Airbags
5 Function
Ampere Left-side headlight
7.5
Left-side headlight, some
models with LED C 15 Accelerator pedal sensor 5
Transmission control module;
gear selector control module
15 Engine control module
5 –
– –
– –
– –
– Engine control module; actua-
tor; throttle unit; turbo-charger
valve
20 Solenoids; valve; engine cool-
ing system thermostat
10 Vacuum regulators; valve 7.5
Spoiler shutter control module;
radiator shutter control mod-
ule
5 –
–

MAINTENANCE AND SERVICE
}}
* Option/accessory. 639
Fuse pliers are provided on the inside of the fuse
box cover to assist in removing and inserting
fuses.
There are also spaces for several extra fuses in
the distribution box in the engine compart-
ment.
Positions

Fuses 1, 3-21, 23-36, 39-53 and 55-59 are
"Micro" fuses.
Fuses 2-22, 37-38 and 54 are "MCase"
fuses and should only be replaced by a work-
shop 17
. Function
Ampere–
––
––
–Movement sensor*
5Media player
5Instrument panel
5Center console buttons
5Sun sensor
5 Function
Ampere Sensus control module
20 –
– Steering wheel module
5 Module for start knob and
parking brake controls
5 Heated steering wheel* mod-
ule 15 –
– –
– –
– –
– Climate system control mod-
ule
10 –
– Data link connector OBD-II 10
Center display
5 Climate system blower module
(front)
40 Function
Ampere USB HUB
5 Instrument lighting; Interior
lighting; Rearview mirror auto-
dim function*; Rain and light
sensors*; Rear tunnel console
keypad, second row of seats* A
;
Power front seats *; Rear door
control panels; Climate system
blower module left/right
Power rear seats B
; Display for
rear seat convenience func-
tions B
; Rear seat massage
function B 7.5 Control module for driver sup-
port functions
5 Panoramic roof with sun cur-
tain*
20 Head-up display*
5 Passenger compartment light-
ing
5 –
–17
An authorized Volvo workshop is recommended.

MAINTENANCE AND SERVICE
653
Automatic car washes
The vehicle should be washed as soon as it
becomes dirty. This makes the vehicle easier to
clean because dirt does not attach as strongly. It
also reduces the risk of scratches and keeps the
vehicle looking new.
An automatic car wash is a fast and easy way to
keep your vehicle clean, but it does not reach all
areas of the vehicle. For best results, Volvo rec-
ommends hand washing your vehicle or supple-
menting automatic car washes with a hand wash.
NOTE
Volvo recommends not washing the vehicle in
an automatic car wash during the first few
months; the paintwork on new vehicles takes
some time to fully harden.
CAUTION
Before driving the vehicle into a car wash,
deactivate the Automatic Braking when Sta-
tionary and Automatic Parking Brake Applica-
tion functions. If the functions are not deacti-
vated, the brake system will seize when the
vehicle is stationary and the vehicle will not be
able to roll.
CAUTION For automatic car washes in which the vehicle
is pulled forward on rolling wheels:
1.

Before washing the vehicle, make sure
that the automatic rain sensor is deacti-
vated. If it is not deactivated and inadver-
tently starts, the wiper arms could be
damaged.
2. To help prevent damage from the auto- matic car wash machinery, make sure
that the door mirrors are folded in, anten-
nas retracted or removed, and any auxili-
ary lights secured.
3. Drive into the automatic car wash.
4. Turn off the "Automatic Braking when Stationary" function using the button
in the tunnel console.
5.

Turn off the "Automatic Parking Brake
Application" function in the center dis-
play's Top view.
6. Turn off the engine by turning the start knob in the tunnel console clockwise.
Hold the knob in position for at least
2 seconds.
The vehicle is now ready for the automatic car
wash.
CAUTION The system will automatically change to P
mode if the above steps are not followed. In P
mode, the wheels are locked, which they
should not be when the vehicle is being
washed in a car wash.
Related information

Cleaning the exterior (p. 650)
Polishing and waxing (p. 651)
Hand washing (p. 651)
High-pressure washing (p. 654)
Cleaning the wiper blades (p. 654)
Cleaning exterior plastic, rubber and trim
components (p. 655)
Cleaning rims (p. 656)
Corrosion protection (p. 656)

INDEX
677
1, 2, 3 ... 4WD
452
A ABS
anti-lock brakes
439
AC (Air conditioning) 230
ACC - Adaptive Cruise Control 300, 303,
304, 305, 306, 307, 309, 310, 311, 312, 313, 314
Accessories and extra equipment 35 installation 36
Accessory installation warning 36, 37
Active Bending Lights 159
Adapting driving characteristics 278, 454
Adaptive Cruise Control 300, 303, 304, 305, 306, 307, 309, 310, 311, 312, 313, 314 change cruise control functionality 313
function 300
manage speed 304, 305
pass 309, 310
radar sensor 332
set time interval 306, 307
troubleshooting 312
Adjusting the steering wheel 201 Airbag
52
activation/deactivation
56
driver's side 53
passenger side 53, 56
Air bag, see Airbag 52
Air conditioning 230
Air conditioning, fluid volume and grade 674
Air distribution 209
air vents 209, 211
changing 210
defrosting 222
recirculation 221
table showing options 212
Air quality 206, 208
allergy and asthma 208
passenger compartment filter 209
Air recirculation 221
Alarm 273
deactivating 274
Allergy and asthma-inducing substances 208
All Wheel Drive, AWD 452
All Wheel Drive (AWD) 452
All Wheel Drive (four-wheel drive) 452
Android Auto 530, 532
Antenna location 262 Apple CarPlay
527, 529
Approach lighting 161
Apps 498
Assistance at risk of collision 380, 381, 382, 383, 384, 385, 386, 387, 389
Audio and media 496
Audio system HD digital radio 508
SiriusXM® Satellite radio 508, 509, 511
Auto-climate 220
Auto hold 446
Auto-hold brakes 446
activate and deactivate 446
after collision 447
Automatic car wash 653
Automatic high beam 157
Automatic locking 266
Automatic relocking 246, 259
Automatic Speed Limiter 287, 289, 290, 291
Automatic transmission 449
kickdown 452
oil 673
Trailer 483
Auxiliary heater 239
INDEX

INDEX
678B Backrest
front seat, adjusting
184, 185, 188,
189, 190, 191
rear seat, adjusting 197, 198
rear seat, folding 193, 198, 199
Battery Hybrid 631
jump-start 481
Maintenance 627
start 627
symbols on the battery 632
warning symbols 632
BLIS 355, 356, 357, 358
Blower adjusting 226
air distribution 210
air vents 211
Bluetooth connect 524
connecting vehicle to Internet 543
phone 532
settings 541
Book service and repair 615
Booster cushions 71
Brake assist after collision 447 Brake fluid
grade
673
Brake functions 438
Brake light 160
Brake position 449
Brakes 439
anti-lock brakes, ABS 439
automatic when stationary 446
Brake Assist System, BAS 441
brake lights 160
brake system 438
emergency brake lights 160
handbrake 442
Maintenance 442
on salted roads 441
on wet roads 441
brake system fluid 673
C Camera sensor
351
Camera unit
337, 341
Capacity weight 588, 669
Cargo compartment 598
attachment points 601
cargo net 606 electrical outlet
594, 596
Lighting
163
Cargo compartment cover 601, 602
cargo net 606
Cargo net 606
Car wash 650, 651, 653, 654, 655, 656
Catalytic converter 479
recovery 487
CD player 522
Cell phone, see Phone 533
Center console 593
Center display change appearance 131
cleaning 645
climate controls 215
Function view 122
keyboard 126
messages 140, 141
operation 112, 115, 119, 124
overview 109
settings 132, 133
switch off and change volume 131
symbols in status bar 124
views 115
Central locking 262
Change of owner 134
Changing a wheel 574

INDEX
685
N Net
cargo compartment
606
O Occupant safety
43
Occupant weight sensor
56
Octane rating 477
Oil, see also Engine oil 672
On-board diagnostics 610
On-board Diagnostic socket 37
Option/accessory 21
Outside temperature gauge 94
Overheating 479, 483
Owner's information 16
OWNER'S MANUAL 21
environmental labeling 24
in cellular phone 20
in the center display 17, 18 P
Paddle at steering wheel
200
Paint color code

658
paint damage and touch-up 657, 658
Panoramic roof opening and closing 173
pinch protection 166
sun shade 172, 175
ventilation position 174
PAP – Park Assist Pilot 406, 408, 410, 411, 413, 414
Park Assist Camera 396, 397, 399, 401, 403, 404, 405
settings 402
Park Assist Camera limitations 403
Park Assist Pilot 406, 408, 410, 411, 413, 414
function 406, 408, 411, 413, 414
limitations 411
operation 408, 410
Symbols and messages 414
Park Assist Pilot – PAP 406, 408, 410, 411, 413, 414
parking on hills 444 Parking Assist 390, 391, 392, 393, 394, 395
function
390, 391, 392
Parking brake 442
activate and deactivate 443
automatic activation 444
Low battery charge level 445
Parking climate 231
Symbols and messages 238
Parking heater 239
Passenger compartment filter 209
Passenger compartment heater (Parking
heater) 239
Passenger compartment interior 592 center console 593
electrical outlet 594
glove compartment 597
sun visor 598
Passenger compartment lighting 162, 164 auto switch 162
Passing assistance 309, 310, 326, 327
personal information (Customer Privacy
Policy) 35
Phone 532
changing to another 536
connect 533
connect automatically 535
connect manually 535
delete 536