2017 VOLVO XC90 TWIN ENGINE HYBRID brake sensor

MAINTENANCE AND SERVICING
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* Option/accessory, for more information, see Introduction.521
Function[A]
Horn20
Alarm siren*5
Brake system control module(valves, parking brake)40
Windshield wipers30
Tailgate window washer25
Heated windshield*, passengerside40
––
Brake system control module(ABS pump)40
––
Heated windshield*, passengersideShunt
Feed when ignition is switchedon to: engine control module,transmission components, elec-trical power steering, centralelectrical module
5
Exterior vehicle sound (certainmarkets)5
Passenger side headlight7,5
Function[A]
––
––
––
Air bags; Occupant Weight Sen-sor (OWS)5
Driver side headlight7.5
Accelerator pedal sensor5
Transmission control module;Gear selector control module15
Engine control module5
––
––
––
––
Engine control module; Actuator;Turbo-charger valve20
Solenoids; Valves; Engine cool-ing system thermostat10
Vacuum regulators; Valve7.5
Function[A]
Spoiler shutter control module;Radiator shutter control module;Fuel leakage detection
5
––
Heated oxygen sensors (frontand rear)15
Oil pump solenoid; A/C mag-netic coupling; heated oxygensensor (center)
15
––
Engine control module20
Ignition coils; Spark plugs15
––
––
Transmission oil pump controlmodule30
Vacuum pump control module40
Transmission actuator25
––

MAINTENANCE AND SERVICING
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* Option/accessory, for more information, see Introduction.525

Positions
•Fuses 1, 3–21, 23–36, 39–53 and 55–59are called "Micro".
•Fuses 2, 22, 37–38 and 54 are called"MCase" and should only be replaced by atrained and qualified Volvo service technician.
FunctionA
––
120-volt socket between the rearseats30
––
Alarm system movement sensorA5
Media player5
Instrument panel5
Center console buttons5
Sun sensor5
––
––
Steering wheel module5
Module for start knob and parkingbrake5
FunctionA
Heated steering wheel* module15
––
––
––
––
Climate system control module10
––
On-board diagnostics (OBDII)10
Center display5
Climate system blower module(front)40
––
FunctionA
Instrument lighting; Courtesy light-ing; Rearview mirror auto-dim func-tion; Rain and light sensor; Reartunnel console keypad*; Powerfront seats*
Instrument lighting; Courtesy light-ing; Rearview mirror auto-dim func-tion; Rain and light sensor; Rear
tunnel console keypad*B; Power
front seats*; Power rear seatsC;Display for rear seat conveniencefunctions*; Rear seat massagefunction*
7.5
Control module for driver supportfunctions5
Panorama roof and sun shade*20
Head-up display*5
Courtesy lighting5
––
Ceiling console display (seat beltreminder, front passenger side air-bag indicator)
5
––
Humidity sensor5

MAINTENANCE AND SERVICING
549

CAUTION
When using an automatic car wash in whichthe vehicle has to be able to roll freely, theauto-hold brake function must be deactivated.If this is not done, the brakes will automati-cally be applied when the vehicle is stationary.
To deactivate this function:
1.Drive the vehicle into the car wash
2. Turn off the auto-hold function using thecontrol on the center console
3. Turn off the parking brake's automaticfunction in the center display's Top view
(tap Settings, tap My CarElectricParking Brake and deselect AutoActivate Parking Brake)
4.Put the gear selector in N
5.Switch off the ignition by turning the startknob to STOP and holding it in this posi-tion for at least 4 seconds
The vehicle will then be able to roll freely.
CAUTION
•Before driving into an automatic carwash, turn off the optional rain sensor toavoid damaging the windshield wipers.
•Make sure that side view mirrors, auxiliarylamps, etc, are secure, and that anyantenna(s) are retracted or removed. Oth-erwise there is risk of the machine dis-lodging them.
•Chromed wheels: Clean chrome-platedwheels using the same detergents usedfor the body of the vehicle. Aggressivewheel-cleaning agents can permanentlystain chrome-plated wheels.

WARNING
•When the vehicle is driven immediatelyafter being washed, apply the brakes,including the parking brake, several timesin order to remove any moisture from thebrake linings.
•Engine cleaning agents should not beused when the engine is warm. This con-stitutes a fire risk.

Exterior components
Volvo recommends the use of special cleaningproducts, available at your Volvo retailer, forcleaning colored plastic, rubber, or ornamentalcomponents such as chromed strips on the exte-
rior of your vehicle. The instructions for usingthese products should be followed carefully. Sol-vents or stain removers should not be used.
CAUTION
•Avoid waxing or polishing plastic or rub-ber components
•Polishing chromed strips can wear awayor damage the surface
•Polishes containing abrasive substancesshould not be used

Related information
•Paint damage (p. 553)
•Corrosion protection (p. 552)
•Polishing and waxing (p. 554)
•Windshield wipers in the service position(p. 543)

INDEX
577
Owner's information
mobile applications 25
Owner's manual 21
Ownership, changing 120
Oxygen sensors, heated 394
P
Paint, touching up553, 554
Park assist358, 359, 360, 361
Park Assist Camera 362, 364, 366, 367
settings362, 366
Park Assist Pilot 368, 369, 372, 374
Parking brake
electric, applying/releasing 382, 384
Parking light bulb, replacing534
Passenger compartment
fuses523
Passive Entry system
location of antennas247
Permissible axle weight563
Phone
receiving calls452
text messages453, 454
Pilot Assist 289, 295, 298, 300, 301,
303, 304, 305, 308, 311, 312, 314, 315
Plug-in hybrid
general information16
Polishing554
Power front seat
memory function169
Power mirrors108
defroster206
Power steering
adjustable262
Power tailgate251
Power windows113
Preconditioning189, 191
starting/stopping194
symbols and messages195
timer192
Preconditioning,
retaining climate comfort191
Pregnancy, using seat belts during 64
PROPOSITION 65 WARNING395
R
Radar
driver support systems318, 322
Radar sensor
limitations 319
Radio
RBDS434
settings434
SiriusXM® Satellite radio 439, 440, 442
Radio functions
HD digital radio 436, 437, 438, 439
Rain sensor 162
Rear Collision Warning 338
Rear fog lights 150
Rear park assist 358, 359, 360, 361
Rear seat head restraints 175
Rear seats 175
accessing the third row 179
adjusting backrest tilt 177
center head restraint 175
folding 178, 179, 180
moving forward/rearward 176
Rearview mirror
compass 142, 143
Rear window defroster 206
Recalls 64
Recalls, child restraints 83
Recirculation (climate system) 205
Refrigerant (A/C system) 565
Refueling 391, 392
fuel filler door 393