2018 VOLVO XC90 TWIN ENGINE hood open

||MAINTENANCE AND SERVICE
* Option/accessory.
608 Hood completely closed. The illustration is generic -
details may vary according to vehicle model.
WARNING
Never drive with the hood open!
If there are any indications while driving that
the hood is not completely closed, stop imme-
diately and close it securely.
Related information
•
Engine compartment overview (p. 609)
• Door and seat belt reminders (p. 51) Climate control system service
Service and repairs on the air conditioning sys-
tem should only be done by an authorized work-
shop.
Troubleshooting and repairsThe air conditioning system contains a fluores-
cent tracer substance. Ultraviolet light is used to
search for leaks in the system.
Volvo recommends contacting an authorized
Volvo workshop.
Vehicles with R134a refrigerant
WARNING
The air conditioning system contains the
refrigerant R134a under pressure. Service
and repairs to the system should only be done
by an authorized workshop.
Related information
•
Volvo's service program (p. 598) Replacing a windshield with head-
up display*
Vehicles with a head-up display have a special
type of windshield that meets the requirements
for displaying projected information.
Volvo recommends contacting an authorized
Volvo workshop for assistance replacing the
windshield. The correct type of replacement
windshield must be used in order for the head-up
display to function properly.
Related information
•
Head-up display* (p. 142)
• Cleaning the head-up display* (p. 634)

MAINTENANCE AND SERVICE
609
Engine compartment overview
This overview shows some service-related com-
ponents. Some of the components included in the vehi-
cle's electric drive system are located in the
engine compartment. Exercise caution when
accessing the engine compartment and only
touch what is required for normal maintenance.
WARNING Orange wiring may only be handled by quali-
fied personnel.
WARNING
Several components in the vehicle work with
high voltage that can be hazardous in case of
an incorrect procedure.
• Do not touch anything that is not clearly
described in this Owner's Manual.
• Be careful when checking/filling fluids in
the engine compartment. The layout of the engine compartment may vary depend-
ing on model and engine variant.
Coolant expansion tank
Brake fluid reservoir (located on the driver's
side)
Washer fluid filler pipe
11 Fusebox
Air filter
Engine oil filler pipe
WARNING Bear in mind that the cooling fan (located at
the front of the engine compartment behind
the radiator) may start or continue running
automatically up to about 6 minutes after the
engine is turned off.
Always entrust engine washing to a workshop
– an authorized Volvo workshop is recom-
mended. If the engine is hot, there is a risk of
fire.
WARNING
The ignition system works with extremely high
and dangerous voltages. The vehicle electrical
system should always be in ignition mode 0
when work in being performed in the engine
compartment.
Do not touch any spark plugs or ignition coils
when the vehicle electrical system is in igni-
tion mode II or when the engine is warm.
Related information
•
Opening and closing the hood (p. 607)
• Filling washer fluid (p. 650)
• Refilling coolant (p. 612)
• Fuses in the engine compartment (p. 622)
• Checking and filling engine oil (p. 611)
• Ignition modes (p. 427) 11
Fill the washer fluid at regular intervals, e.g. when refueling.

SPECIFICATIONS
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655 Vehicle Emission Control Information. US
models. Your Volvo is designed to meet all appli-
cable emission standards, as evidenced by the
certification label on the underside of the hood.
For further information regarding these regula-
tions, please consult your Volvo retailer. Vehicle Emission Control Information.
Canadian models. Your Volvo is designed to
meet all applicable emission standards, as evi-
denced by the certification label on the underside
of the hood. For further information regarding
these regulations, please consult your Volvo
retailer. Vehicle Identification Number (VIN). The
VIN plate is located on the top left surface of the
dashboard. The Vehicle Identification Number
(VIN) should always be quoted in all correspond-
ence concerning your vehicle with the retailer and
when ordering parts. Tire inflation pressures. This label indicates
the correct inflation pressures for the tires that
were on the vehicle when it left the factory. Federal Motor Vehicle Safety Standards
(FMVSS) specifications (USA) and Ministry of
Transport (CMVSS) standards (Canada). Your
Volvo is designed to meet all applicable safety
standards, as evidenced by the certification label
on the driver's side B-pillar (the structural mem-
ber at the side of the vehicle, at the rear of the
driver's door opening). This label also includes
codes for paint color, etc. For further information
regarding these regulations, please consult your
Volvo retailer. U.S. models have the upper decal;
Canadian models have the lower one.

INDEX
672Gear indicator 442
Gear selector positions
automatic transmission 439
Glass laminated/reinforced 166
Glove compartment 585
Gracenote® 511
Grocery bag holders 588
Gross vehicle weight 659
GSI - Gear shift indicator 442
Guide lines for Park Assist Camera 388
H Handbrake
432, 433
Hand wash
639
Hard disk space 538
Hazard warning flashers 161
HDC 454
HD radio 494
Head restraint 194
Head-up display 142
activate and deactivate 144
cleaning 634 replacing windshield
608
settings
144
Heated washer nozzles 177
Heating Seats 215, 216
steering wheel 218
windows 222, 223
Height adjustment 450, 453
high beams 156, 157
High engine temperature 468
Hill Descent Control 454, 455
activate with function button 455
Hill Start Assist 437
Hill Start Assist (HSA) 437
Hoisting the vehicle 605
HomeLink® 478
programming 479
use 480
HomeLink® remote control programmable 478
Home safe lighting 161
Honk 199
Hood, opening 607
Horn 199
Hybrid battery 619
Charging 407 Hybrid battery gauge
88
Hybrid gauge 87
I IAQS (Interior Air Quality System) 206
IC (Inflatable Curtain)

60
ID, Volvo 26
Identification number 38
Ignition mode 427, 428
Immobilizer 252
Electronic immobilizer 252
Indicator symbols 94
Individual drive mode 445
Infant seats 67
Inflatable curtain 60
Inflatable Curtain 60
Inflating tires 577
Inflation pressure adjusting 558
Checking 557
recommended 559
Inflation pressure monitoring 559
action 563
Status 562