2019 VOLVO S90 TWIN ENGINE warning light

MAINTENANCE AND SERVICE
* Option/accessory.595
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 thatthe hood is not completely closed, stop imme-diately and close it securely.

Related information
Engine compartment overview (p. 596)
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 repairs
The air conditioning system contains a fluores-cent tracer substance. Ultraviolet light is used tosearch for leaks in the system.
Volvo recommends contacting an authorizedVolvo workshop.

Vehicles with R134a refrigerant
WARNING
The air conditioning system contains therefrigerant R134a under pressure. Serviceand repairs to the system should only be doneby an authorized workshop.

Related information
Volvo's service program (p. 584)
Replacing a windshield with head-
up display*
Vehicles with a head-up display have a specialtype of windshield that meets the requirementsfor displaying projected information.
Volvo recommends contacting an authorizedVolvo workshop for assistance replacing thewindshield. The correct type of replacementwindshield must be used in order for the head-updisplay to function properly.
Related information
Head-up display* (p. 138)
Cleaning the head-up display* (p. 620)

MAINTENANCE AND SERVICE
}}
601
Start battery
The vehicle has a single-pole electrical systemthat uses the chassis and engine mount as con-ductors.
The start battery is used to start the electricalsystem and power electrical equipment in thevehicle. The hybrid battery is used to start thecombustion engine.
The start battery should only be replaced by a
workshop15.
The start battery is a 12 V AGM (Absorbed GlassMat) battery, dimensioned for regenerative charg-ing and to support the function of the vehicle'svarious systems.
The service life and performance of the start bat-tery are affected by factors such as driving style,driving conditions, climate, battery discharges,number of starts, etc.
Never disconnect the start battery while theengine is running.
Make sure the cables to the start battery arecorrectly connected and the clamps aresecurely tightened.

WARNING
Batteries generate hydrogen gas, whichis flammable and explosive.
Do not connect the jumper cable to anypart of the fuel system or to any movingparts. Avoid touching hot manifolds.
Battery fluid contains sulfuric acid. Do notallow battery fluid to contact eyes, skin,fabrics or painted surfaces.
If contact occurs, flush the affected areaimmediately with water. Obtain medicalhelp immediately if eyes are affected.
Never expose the battery to open flameor electric spark. Do not smoke near thebattery. Failure to follow the instructionsfor jump starting can lead to injury.

Connection points
WARNING
PROPOSITION 65 WARNING
Battery posts, terminals, and related accesso-ries contain lead and lead compounds, chemi-cals known to the state of California to causecancer and reproductive harm. Wash handsafter handling.
Use the vehicle's connection points in the enginecompartment to connect an external start batteryor battery charger.
The battery terminals on the car's start battery inthe luggage/cargo area must not be used.
Positive connection point
Negative connection point
14LED (Light Emitting Diode)15An authorized Volvo workshop is recommended.

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MAINTENANCE AND SERVICE
* Option/accessory.622

WARNING
Never use more than one inlay mat at atime on the driver's floor. If any other typeof floor mat is used, remove the originalmat from the driver's seat floor beforedriving. All types of mats must be securelyanchored in the attachment points in thefloor. Make sure the floor mat does notimpede the movement of the brake pedalor accelerator pedal in any way, as thiscould be a serious safety hazard.
Volvo's floor mats are specially manufac-tured for your vehicle. They must be prop-erly secured in the attachment points inthe floor to help ensure they cannot slideand become trapped under the pedals.
After vacuuming, a specially designed textilecleaning agent should be used to remove stainson floor mats. Floor mats should be cleaned withproducts recommended by Volvo retailers.

Related information
Cleaning the interior (p. 619)
Cleaning the center display (p. 619)
Cleaning fabric upholstery and ceiling liner(p. 621)
Cleaning the seat belt (p. 621)
Cleaning leather upholstery (p. 622)
Cleaning the leather steering wheel(p. 623)
Cleaning interior plastic, metal and wood sur-faces (p. 624)
Cleaning leather upholstery
Only use cleaning agents and car care productsrecommended by Volvo. Clean regularly andtreat stains immediately for best results. It isimportant to vacuum before using a cleaningagent.
Leather upholstery *
Volvo's leather upholstery is treated to protect itsoriginal appearance. Over time, sunlight, grease,dirt, etc. could break down the protective layer.This could result in scratches and cracking.
Leather upholstery is a natural product thatchanges and acquires a beautiful patina overtime. Regular cleaning and treatments arerequired to preserve the qualities and color of theleather. Volvo offers a comprehensive product,Volvo Leather Care Kit/Wipes, for cleaning andtreating leather upholstery that, when used asdirected, preserves the leather's protective coa-ting.
For best results, Volvo recommends cleaning andapplying protective cream one to four times ayear (or more as needed). Volvo Leather Care Kit951 0251 and Volvo Leather Softener 9437429 are available for purchase at Volvo retailers.

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MAINTENANCE AND SERVICE
626
Wash using a sponge, car washing detergentand plenty of lukewarm water.
Clean the wiper blades with lukewarm soapsolution or car washing detergent.
Dry the vehicle using a clean, soft chamois ora squeegee. Try not to let drops of water dryin strong sunlight. This could cause waterdrying stains that may need to be polishedout.
In areas with heavy industrial emissions,more frequent washing of the vehicle's exte-rior is recommended.
Tar spots from asphalt may remain even afterwashing. Use a tar remover to remove thesespots after washing the vehicle.

WARNING
Always entrust engine washing to a workshop.If the engine is hot, there is a risk of fire.

CAUTION
Dirty headlights do not work as well. Cleanthem regularly, e.g. when refueling.
Do not use corrosive cleaners. Use water anda non-abrasive sponge.
NOTE
Exterior lighting such as headlights and tail-lights may develop temporary condensationon the inside of the lens. This is normal. Allexterior lighting is designed to resist this.Condensation is normally vented out of thelamp housing once the light has been lit forsome period of time.

CAUTION
Make sure that the panoramic roof andsun shade are closed before washing thevehicle.
Never use abrasive polishing agents onthe panoramic roof.
Never use wax on the rubber sealsaround the panoramic roof.

CAUTION
Remember to remove dirt from the drainholes in the doors and sills after washing thevehicle.

Related information
Cleaning the exterior (p. 624)
Polishing and waxing (p. 625)
Automatic car washes (p. 627)
High-pressure washing (p. 628)
Cleaning the wiper blades (p. 628)
Cleaning exterior plastic, rubber and trimcomponents (p. 629)
Cleaning rims (p. 630)
Corrosion protection (p. 630)
Settings for automatically activating the park-ing brake (p. 436)

INDEX
651
1, 2, 3 ...
4WD444
A
ABS
anti-lock brakes431
AC (Air conditioning)223
ACC - Adaptive Cruise Control 292, 295,
296, 297, 298, 299, 301, 302, 303, 304,
305, 306
Accessories and extra equipment 35
installation36
Accessory installation warning 36, 37
Active Bending Lights155
Adapting driving characteristics 270, 446
Adaptive Cruise Control 292, 295, 296,
297, 298, 299, 301, 302, 303, 304, 305, 306
change cruise control functionality 305
function292
manage speed296, 297
pass301, 302
radar sensor324
set time interval298, 299
troubleshooting304
Adjusting the steering wheel193
Airbag52
activation/deactivation56
driver's side53
passenger side53, 56
Air bag, see Airbag52
Air conditioning223
Air conditioning, fluid
volume and grade648
Air distribution201
air vents201, 202
changing202
defrosting215
recirculation214
table showing options204
Air quality198, 200
allergy and asthma199
passenger compartment filter201
Air recirculation214
Alarm266
deactivating267
Allergy and asthma-inducing substances 199
All Wheel Drive, AWD444
All Wheel Drive (AWD)444
All Wheel Drive (four-wheel drive) 444
Android Auto512, 514
Antenna
location255
Apple CarPlay509, 511
Approach lighting157
Apps480
Assistance at risk of collision372, 373,
374, 375, 376, 377, 378, 379, 381
Audio and media478
Audio system
HD digital radio490
SiriusXM® Satellite radio 490, 491, 493
Auto-climate214
Auto hold437
Auto-hold brakes437
activate and deactivate438
after collision439
Automatic car wash627
Automatic high beam153
Automatic locking260
Automatic relocking240, 253
Automatic Speed Limiter 279, 281, 282, 283
Automatic transmission440
kickdown444
oil647
Auxiliary heater232
INDEX

INDEX
652
B
Backrest
front seat, adjusting 180, 181, 184,
185, 186, 187
rear seat, adjusting192
rear seat, folding189
Battery
Hybrid605
jump-start466
Maintenance601
start601
symbols on the battery606
warning symbols606
BLIS347, 348, 349, 350
Blower
adjusting219, 220
air distribution202
air vents202
Bluetooth
connect506
connecting vehicle to Internet 525
phone514
settings523
Book service and repair589
Booster cushions71
Brake assist
after collision439
Brake fluid
grade647
Brake functions430
Brake light156
Brake position440
Brakes431
anti-lock brakes, ABS431
automatic when stationary437
Brake Assist System, BAS432
brake lights156
brake system430
emergency brake lights156
handbrake434
Maintenance433
on salted roads433
on wet roads433
brake system
fluid647
C
Camera sensor343
Camera unit329, 333
Capacity weight570, 643
Cargo compartment579
attachment points582
Car wash624, 625, 627, 628, 629, 630
Catalytic converter464
recovery468
CD player504
Cell phone, see Phone 515
Center console 575
Center display
change appearance 127
cleaning 619
climate controls 207
Function view 118
keyboard 122
messages 136, 137
operation 108, 111, 115, 120
overview 105
settings 128, 129
switch off and change volume 127
symbols in status bar 120
views 111
Central locking 256
Change of owner 130
Changing a wheel 556
Charge
vehicle function 456
Charge level
vehicle function 456

INDEX
653
Charging
hybrid battery 409
opening and closing the charging
door 414
start charging 415
Status 417, 419
stop charging 421
Charging cable 411
Charging current 411
Checking engine oil level 598
Child restraints 63, 65
booster cushions 71
convertible seats 69
infant seats 67
ISOFIX/LATCH anchors 74
lower attachment points 73
recalls and registration 65
top tether anchors 72
Child safety 63
Child safety locks 259
Circuit breaker 413
City Safety 333, 334, 336, 337, 343, 345
City Safety braking for oncoming vehicles 342
City Safety in crossing traffic 339, 340
City Safety when evasive maneuver preven-
ted341
Cleaning621, 623, 624
automatic car wash627
car wash624, 625, 627, 628, 629, 630
center display619
Seat belts621
textile upholstery619, 621, 622
upholstery 619, 621, 622, 623, 624
wheels630
Cleaning wheels630
Cleaning wiper blades628
Clean Zone199
Clean Zone Interior Package199
Climate196
auto-regulation214
blower control219, 220
parking224
perceived temperature197
Sensors196
temperature control221, 222
voice control197
zones196
Climate controls207
center display207
rear seat207
Climate system196, 207
Refrigerant648
repairs595
Clock, setting89
Collision42, 47, 52, 61
Collision warner
detection of pedestrians337
radar sensor324
Collision warning333, 346
Color code, paintwork632
Color codes632
Compass474
calibration475
Condensation in headlights625, 627,
628, 629
Connecting vehicle to Internet
No connection or poor connection 528
via a mobile device (WiFi)525
via cellular phone (Bluetooth) 525
via vehicle's modem526
Connect phone515
Contact information26
Convertible seats69
coolant647
Coolant, filling599
Cooling system
overheating465
Corner Traction Control271
Corrosion protection630
Crash, see Collision42

INDEX
656
Glass
laminated/reinforced 162
Glove compartment 577
Gracenote®503
Grocery bag holders 581
Gross vehicle weight643
Guide lines for Park Assist Camera 391
H
Handbrake434
Hand wash625
Hard disk
space530
Hazard warning flashers157
HD radio487
Head restraint191
Head-up display138
activate and deactivate139
cleaning620
replacing windshield595
settings140
store position140, 182, 183
Heated washer nozzles175
Heater232
auxiliary heater232
parking heater232
Heating
Seats209, 210
steering wheel213
windows217, 218
high beams152, 153
High engine temperature465
Hill Start Assist439
Hill Start Assist (HSA)439
Hoisting the vehicle592
Hold
vehicle function456
HomeLink®471
programming471
use473
HomeLink® remote control
programmable 471
Home safe lighting157
Honk193
Hood, opening594
Horn193
Hybrid battery605
Charging409
Hybrid battery gauge84
Hybrid gauge83
Hybrid mode446, 450
I
IAQS (Interior Air Quality System) 200
IC (Inflatable Curtain)60
ID, Volvo26
Identification number38
Ignition mode429, 430
Immobilizer250
Electronic immobilizer250
Indicator symbols90
Individual drive mode446
Infant seats67
Inflatable curtain60
Inflatable Curtain60
Inflating tires569
Inflation pressure
adjusting550
Checking549
decal551
recommended551
Inflation pressure monitoring551
action555
Status554