2020 VOLVO S90 TWIN ENGINE hood open

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MAINTENANCE AND SERVICE
572
Turn the handle under the front edge of the hood counterclockwise to release thecatch and lift the hood.
Warning - hood not closedWhen the hood is released, a warn-ing symbol and graphic will be dis-played in the instrument panel andan audible signal will sound. If the
vehicle begins to roll, the audible signal will berepeated several times.
NOTE
If the warning symbol is illuminated or an audible warning signal sounds even thoughthe hood is securely closed, consult aworkshop - an authorized Volvo workshopis recommended.
Closing the hood1. Press down the hood until it begins to close under its own weight.
2. When the hood reaches the catch at the handle in the front edge of the vehicle, press down on the hood to close it com-pletely.
WARNING
Risk of injury! When closing, make sure that the hood is completely unobstructedand that no one can be injured.
WARNING
Make sure the hood locks securely after closing. It must audibly lock on both sides.
Hood not completely closed.
Hood completely closed.
WARNING
Never drive with the hood open! If this symbol appears, or anything else indicatesthat the hood is not com-pletely closed while driv-ing, stop immediately and
close it properly.
Related information
Engine compartment overview (p. 573)
Door and seat belt reminders (p. 51)

MAINTENANCE AND SERVICE
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573
Engine compartment overview
This overview shows some service-related components.
Some of the components included in the vehi- cle's electric drive system are located in theengine compartment. Exercise caution whenaccessing the engine compartment and onlytouch what is required for normal mainte-nance.
WARNING
Orange wiring may only be handled by qualified personnel.
WARNING
A number of electrical components in Twin Engine Plug-in Hybrid vehicles use high-voltage current and can be extremely dan-gerous if handled incorrectly.
Do not touch anything that is not clearly described in this Owner's Man-ual.
Be careful when checking/filling fluidsin the engine compartment.
The layout of the engine compartment may vary depending on model and engine variant.
Coolant expansion tank
Brake fluid reservoir (located on the driv- er's side)
Washer fluid filler pipe 12
Fusebox
Air filter
Engine oil filler pipe
WARNING
Bear in mind that the cooling fan (located at the front of the engine compartmentbehind the radiator) may start or continuerunning automatically up to about6 minutes after the engine is turned off. Always entrust engine washing to a work- shop – an authorized Volvo workshop isrecommended. If the engine is hot, there isa risk of fire.
WARNING
The ignition system works with extremely high and dangerous voltages. The vehicleelectrical system should always be in igni-tion mode
0 when work in being per-
formed in the engine compartment. Do not touch any spark plugs or ignition coils when the vehicle electrical system isin ignition mode II or when the engine is
warm.
Related information
Opening and closing the hood (p. 571)
Filling washer fluid (p. 621)
Refilling coolant (p. 576)
Fuses in the engine compartment (p. 587)
12
Fill the washer fluid at regular intervals, e.g. when refueling.

INDEX
640Fuel filling 435
Fuel gauge 83
Fuel requirements 436, 437Fuel tank
volume 633
Fuse box 585
Fuses 585 below the glove compartment 594
in engine compartment 587
in trunk 600
replacing 585
G
Gasoline grade 436 Gaugefuel gauge 83
hybrid battery 84
Gear selector positions automatic transmission 413
Glass, laminated/reinforced 164
Glove compartment 555 Gracenote ®
477
Grocery bag holders 560
Gross vehicle weight 629
H
Handbrake 406
Hand wash 611Hard disk space 506
Hazard warning flashers 158
HD radio 461
Head-up display 139 activating/deactivating 141
cleaning 606
Distance Alert 273
replacing windshield 571
settings 141
store position 141, 186, 187
Heated washer nozzles 178
Heater 231 auxiliary heater 231
parking heater 231
Heating Seats 211, 212
steering wheel 214, 215
windows 218
high beams 154, 155
High engine temperature 439
Hill Start Assist 411 Hill Start Assist (HSA) 411
Hoisting the vehicle 569 Hold
vehicle function 431
HomeLink ® 445
programming 446
type approval 448
use 448
HomeLink ® remote control
programmable 445
Home safe lighting, Homesafe Lighting,Follow me home lighting, follow-me-
home lighting 159
Honk 194
Hood, opening 571
Horn 194
Hybrid battery 583 Charging 381
Hybrid battery gauge 84
Hybrid gauge 83
Hybrid mode 419, 424
I
IAQS (Interior Air Quality System) 202
IC (Inflatable Curtain) 61
ID, Volvo 26