2019 VOLVO S90 TWIN ENGINE light

||
MAINTENANCE AND SERVICE
* Option/accessory.600
Unscrew the cover in the plastic covering.
Unscrew the expansion tank cap and fillcoolant as needed. The level should notexceed the yellow MAX mark inside theexpansion tank.
Put the components back in place in the reverseorder.

CAUTION
Do not ingest the contents. May causedamage to organs (kidneys).
Use premixed coolant according to Vol-vo's recommendations. If concentratedcoolant is used, make sure that the cool-ant mixture is 50% coolant and 50%water of acceptable quality.
Do not mix different types of coolant.
To help ensure sufficient corrosion pro-tection in the system, only use new cool-ant when replacing larger components inthe cooling system.
Never run the engine unless the coolingsystem is properly filled. An improperlyfilled cooling system could lead to hightemperatures and cracks in the cylinderheads.
High levels of chlorine, chlorides andother salts may cause corrosion in thecooling system.
Related information
Engine compartment overview (p. 596)
Coolant specifications (p. 647)
Replacing bulbs
Halogen headlights are not available on all mod-els and markets. Contact a Volvo retailer formore information.
LED14 bulbs must be replaced by a workshop.An authorized Volvo workshop is recommended.

NOTE
For information on lights not mentioned inthis article, contact a Volvo dealer or a certi-fied Volvo service technician.

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.

NOTE
Bulbs for active curve lighting* contain tracesof mercury and should therefore always besubmitted to a certified Volvo service techni-cian.

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.

||
MAINTENANCE AND SERVICE
* Option/accessory.610
FunctionAmpere
12 V outlet in trunk/cargocompartment*
USB ports for iPad holders
15
––
––
––
––
Heated windshield*, left sideShunt
Heated windshield*, left side40
Headlight washers*25
Windshield washer25
––
Horn20
Alarm siren*5
Brake system control module(valves, parking brake)40
Wipers30
––
FunctionAmpere
Heated windshield*, right side40
––
Brake system control module(ABS pump)40
––
Heated windshield*, right sideShunt
Fed when ignition is on:Engine control module; trans-mission components, electricalpower steering, central electri-cal module
5
Exterior vehicle sound (certainmarkets)5
Right-side headlight7.5
Right-side headlight, some
models with LEDC15
––
––
––
Airbags5
FunctionAmpere
Left-side headlight7.5
Left-side headlight, some
models with LEDC15
Accelerator pedal sensor 5
Transmission control module;gear selector control module15
Engine control module5
––
––
––
––
Engine control module; actua-tor; throttle unit; turbo-chargervalve
20
Solenoids; valve; engine cool-ing system thermostat10
Vacuum regulators; valve 7.5
Spoiler shutter control module;radiator shutter control mod-ule
5
––

MAINTENANCE AND SERVICE
611
FunctionAmpere
Heated oxygen sensor, front;heated oxygen sensor, rear15
Oil pump solenoid; A/C mag-netic coupling; heated oxygensensor (center)
15
––
Engine control module20
Ignition coils; spark plugs 15
––
––
Transmission oil pump controlmodule30
Vacuum pump control module 40
Transmission actuator25
––
––
––
ANot ExcellenceBExcellenceCLED (Light Emitting Diode)

Related information
Fuses and fuseboxes (p. 606)
Replacing fuses (p. 607)

MAINTENANCE AND SERVICE
}}
* Option/accessory.613
Fuse pliers are provided on the inside of the fusebox cover to assist in removing and insertingfuses.
There are also spaces for several extra fuses inthe 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-
shop17.
FunctionAmpere
––
––
––
Movement sensor*5
Instrument panel5
Center console buttons5
Sun sensor5
FunctionAmpere
Sensus control module20
––
Steering wheel module5
Module for start knob andparking brake controls5
Heated steering wheel* mod-ule15
––
––
––
––
Climate system control mod-ule10
––
Data link connector OBD-II 10
Center display5
Climate system blower module(front)40
FunctionAmpere
USB HUB5
Instrument lighting; Interiorlighting; Rearview mirror auto-dim function*; Rain and lightsensors*; Rear tunnel consolekeypad, rear seat*; Power frontseats*; Rear door control pan-els; Climate system blowermodule left/right
7.5
Control module for driver sup-port functions5
Panoramic roof with sun cur-tain*20
Head-up display*5
Passenger compartment light-ing5
––
Ceiling console display (seatbelt reminder/front passengerside airbag indicator)
5
––
Humidity sensor5
17An authorized Volvo workshop is recommended.

MAINTENANCE AND SERVICE
}}
619
Cleaning the interior
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.

CAUTION
Some colored clothing (for example, darkjeans and suede garments) may stain theupholstery. If this occurs, it is important toclean and treat these parts of the uphols-tery as soon as possible.
Never use strong solvents such aswasher fluid, gasoline, mineral spirit orconcentrated alcohol to clean the interioras this can damage the upholstery aswell as other interior materials.
Never spray cleaning agent directly ontocomponents that have electrical buttonsand controls. Wipe instead with a dampcloth with cleaning agent.
Sharp objects and Velcro can damagethe car's textile upholstery.

Related information
Cleaning the center display (p. 619)
Cleaning fabric upholstery and ceiling liner(p. 621)
Cleaning the seat belt (p. 621)
Cleaning floor mats and inlay mats (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 the center display
Marks, stains, finger smudges etc. on the centerdisplay may affect its performance and readabil-ity. Clean the screen regularly with a microfibercloth.
To clean the center display:
1. Turn off the center display by pressing andholding the Home button.
2.Wipe the screen clean with the microfibercloth provided or use another microfibercloth of similar quality. Wipe the screen witha clean, dry microfiber cloth using small, cir-cular motions. If necessary, moisten the clothslightly.
3. Reactivate the display by pressing the Homebutton briefly.

||
MAINTENANCE AND SERVICE
* Option/accessory.620

CAUTION
The microfiber cloth must be free of sand anddirt when cleaning the center display.

CAUTION
When cleaning the center display, apply onlylight pressure to the screen. Pressing toohard could damage the screen.

CAUTION
Do not spray liquid or corrosive chemicalsdirectly onto the center display. Do not usewindow cleaners, cleaning agents, aerosolsprays, solvents, alcohol, ammonia or deter-gents that contain abrasives.
Never use abrasive cloths, paper towels or tis-sue paper, as these may scratch the centerdisplay.

Related information
Cleaning the interior (p. 619)
Cleaning fabric upholstery and ceiling liner(p. 621)
Cleaning the seat belt (p. 621)
Cleaning floor mats and inlay mats (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 the head-up display*
Carefully wipe the glass covering the head-updisplay unit with a clean and dry microfiber cloth.If necessary, the cloth may be slightly moistened.
Never use strong stain removers. For difficultcleaning conditions, a special cleaning agent canbe purchased at a Volvo retailer.
Related information
Activating and deactivating the head-up dis-play* (p. 139)
Head-up display* (p. 138)

||
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.