climate control VOLVO S90 2020 Quick Guide

STARTING AND DRIVING
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* Option/accessory.401
Changing drive mode *
Select the drive mode that is adapted to the current driving conditions. The drive mode is changed using the control in the tunnel console.
Keep in mind that not all drive modes are available in all situations. To change drive mode:
1. Press the DRIVE MODE control.
> A pop-up menu will appear in the cen- ter display.
2. Roll the wheel upward or downward to the desired drive mode. 3. Press the drive mode control or tap its
button in the center display to confirm the selection.
> The selected drive mode is shown inthe instrument panel.
Related information
Drive modes
* (p. 399)
Activating and deactivating Eco drive mode using the function button (p. 404)
Eco drive mode
Eco drive mode can help make driving more
fuel-efficient and eco-friendly.
Use this mode to save fuel and promote eco- friendly driving. When
Eco mode is activated, the following
characteristics are modified:
The automatic transmission's shifting points.
Engine control and accelerator pedalresponse.
Eco Coast functionality is activated andengine braking is disabled when the accel-erator pedal is released at speedsbetween 65 and 140 km/h(40 and 87 mph).
Some of the climate system settings willbe reduced or switched off.
Information will be shown in the ECOgauge in the instrument panel to help pro-mote more eco-friendly and economicaldriving.
Coast function Eco CoastEco Coast essentially deactivates engine brak-ing, allowing the vehicle's kinetic energy to beused to roll greater distances. When the driverreleases the accelerator pedal, the transmis-sion is automatically disengaged from theengine. Engine speed is reduced to idlingspeed to reduce fuel consumption.

STARTING AND DRIVING
* Option/accessory.
404
Activating and deactivating Eco drive mode using the functionbutton There is a function button for
Eco drive mode
in the center display's Function view if the vehicle is not equipped with a drive modecontrol in the tunnel console.
When the engine is switched off, Eco mode is
deactivated and must therefore be reactivated each time the engine is started. ECO will be
displayed in the instrument panel when thefunction is activated.
Selecting Eco drive mode in the center
display's Function view
–Tap the Driving Mode ECO button to
activate or deactivate the function.
> An indicator light in the button will illu- minate when the function is activated.
Related information
Eco drive mode (p. 401)
Changing drive mode
* (p. 401)
Drive modes
* (p. 399)
Start/Stop function Start/Stop is a function that temporarily switches off the engine when the vehicle hasstopped, e.g. at a traffic light or in heavy traf-fic, and then starts it again automaticallywhen needed.
The Start/Stop function reduces fuel con- sumption, which helps to reduce exhaustemissions. The system makes it possible to drive more economically and climate-smart by letting theengine auto-stop when appropriate.
Related information
Driving with the Start/Stop function(p. 404)
Conditions for the Start/Stop function(p. 406)
Drive modes
* (p. 399)
Driving with the Start/Stop function
Start/stop is a function that temporarily turns off the engine when the vehicle is stationaryand then automatically starts it when needed.
The Start/Stop function is available when the ignition is started and can be activated if cer-tain conditions are met. The instrument panel indicates when the func- tion is
Available
active
not available.
All of the vehicle's ordinary systems, such aslighting, radio, etc. function normally when theengine has been auto-stopped. Certain func-tions may be temporarily reduced, however,such as the climate system's blower speed orextremely high audio system volume.
Auto-stopTo auto-stop the engine:

WHEELS AND TIRES
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501
Tires are perishable goods. After a few years, they will begin to harden and their frictionproperties will gradually deteriorate. Alwaysreplace tires with the freshest tires possible.This is particularly important for snow tires. Aseries of numbers is imprinted on the sidewallof the tire. The last four digits in the series isthe Department of Transportation (DOT)stamp and indicates the week and year thetire was manufactured. The tire in the illustra-tion has 0717 as the last four digits, whichmeans it was manufactured week 7 of 2017.
Tire ageTires degrade over time, even when they arenot being used. It is recommended that tiresgenerally be replaced after 6 years of normalservice. Heat caused by hot climates, frequenthigh loading conditions or Ultra Violet (U.V.)exposure can accelerate the aging process. The temporary spare
2
should also be replaced
at 6-year intervals, even if it has never been used. A tire with e.g., visible cracks or discol-oration should be replaced immediately.
Tire economy
Maintain correct tire pressure.
Avoid fast starts, hard braking and tirescreeching.
Tire wear increases with speed.
Correct front wheel alignment is veryimportant.
Unbalanced wheels impair tire economyand driving comfort.
Tires must maintain the same direction ofrotation throughout their lifetime.
When replacing tires, the tires with themost tread should be mounted on the rearwheels to reduce the chance of oversteerduring hard braking.
Hitting curbs or potholes can damage thetires and/or wheels permanently.
Tire rotationYour vehicle has no required tire rotation. Driv-ing style, tire pressure, climate and road con-ditions affect how quickly the tires age andexhibit signs of wear. Maintaining the correcttire pressure helps keep tread wear evenly dis-tributed. To help prevent differences in tread depth and wear patterns forming on the tires, the frontand rear wheels should be rotated, i.e. thefront tires moved to the rear and the rear tiresmoved to the front. Ideally, tire rotation shouldbe done the first time after approximately5000 km (ca 3100 miles) and thereafter at10,000 km (approx. 6200 miles) intervals. If you have any questions regarding tread depth, Volvo recommends consulting an authorized Volvo workshop. If significant dif-ferences in wear (> 1 mm difference in treaddepth) between the tires have already occur-red, the least worn tires should always bemounted on the rear wheels. A front-wheelskid (understeer) is usually easier to controlthan a rear-wheel skid (oversteer). If the frontwheels skid, the vehicle will continue in astraight line instead of the rear wheels skid-ding to the side, which could cause you tocompletely lose control of the vehicle. It istherefore important that the rear wheels neverlose grip before the front wheels.
Storing wheels and tiresWhen storing complete wheels (tires mountedon rims), they should be suspended off thefloor or placed on their sides on the floor. Tires not mounted on rims should be stored on their sides or standing upright, but should notbe suspended.
CAUTION
Tires should preferably be stored in a cool, dry, dark place, and should never be storedin close proximity to solvents, gasoline,oils, etc.
2
Not available on all models.

WHEELS AND TIRES
506
Uniform Tire Quality GradingALL PASSENGER VEHICLE TIRES MUST CONFORM TO FEDERAL SAFETYREQUIREMENTS IN ADDITION TO THESEGRADES .
Quality grades can be found, where applica- ble, on the tire sidewall between the treadshoulder and maximum section width. Forexample: Treadwear 200 Traction AA Temperature A
TREADWEARThe treadwear grade is a comparative rating based on the wear rate of the tire when testedunder controlled conditions on a specifiedgovernment test course. For example, a tiregraded 150 would wear one and one half (1 ½)times as well on the government course as atire graded 100. The relative performance oftires depends upon the actual conditions oftheir use, however, and many depart signifi-cantly from the norm due to variation in drivinghabits, maintenance practices and differencesin road characteristics and climate.
TRACTIONThe traction grades, from highest to lowest,are AA, A, B, and C, as measured under con-trolled conditions on specified governmenttest surfaces of asphalt and concrete. A tiremarked C may have poor traction perform-ance.
WARNING
The traction grade assigned to this tire is based on braking (straight-ahead) tractiontests and is not a measure of cornering(turning) traction.
TEMPERATUREThe temperature grades are A (the highest), B, and C, representing the tire's resistance to thegeneration of heat and its ability to dissipateheat when tested under controlled conditionson a specified indoor laboratory test wheel.Sustained high temperature can cause thematerial of the tire to degenerate and reducetire life, and excessive temperature can lead tosudden tire failure. The grade C correspondsto a minimum level of performance that allpassenger vehicle tires must meet under theFederal Motor Safety Standard No. 109.Grades B and A represent higher levels of per-formance on the laboratory test wheel thanthe minimum required by law.
WARNING
The temperature grade for this tire is estab- lished for a tire that is properly inflated andnot overloaded. Excessive speed, under-inflation, or excessive loading, either sepa-rately or in combination, can cause heatbuildup and tire failure.
Related information
Tires (p. 500)
Tire sidewall designations (p. 504)

LOADING, STORAGE AND PASSENGER COMPARTMENT
* Option/accessory.533
Tunnel console
The tunnel console is located between the front seats.
Storage compartment with cover *. The
cover can be opened/closed by pressing the handle.
Storage compartment with cup holder and 12 V socket.
Storage compartment and USB port under the armrest.
Climate control panel for the rear seats * or
storage compartment.
Electrical socket and USB port. The cover can be opened/closed by pressing thehandle.
WARNING
Store loose objects, such as cell phone, camera, remote control for extra equip-ment, etc., in the glove compartment oranother compartment. Otherwise, thesecould injure people in the vehicle in theevent of hard braking or a collision.
CAUTION
Keep in mind that glossy surfaces can be easily scratched by e.g. metal objects. Donot place keys, phones or similar items onsensitive surfaces.
NOTE
One of the sensors for the alarm * is located
under the cup holder in the center console. Avoid placing coins, keys and other metalobjects in the cup holder as this could trig-ger the alarm.
NOTE
The USB port can be used to e.g. charge a cellular phone or tablet. Only the front USBport can be used to play media through thevehicle's speakers.
Related information
Passenger compartment interior (p. 532)
Electrical outlets (p. 534)
Climate system controls (p. 207)

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LOADING, STORAGE AND PASSENGER COMPARTMENT
* Option/accessory.
536
Storage compartment for the key. The illustration is generic – the design may vary.The illustration is generic – the design may vary.
To lock the glove compartment:
Insert the key into the lock on the glove compartment.
Turn the key 90 degrees clockwise.
Remove the key from the lock.
–To unlock, perform the above steps in reverse.
Using the glove box as a cooled area *The glove compartment can be used to cool e.g. drinks or food. Cooling is possible when the climate system is active (i.e. when the ignition is in mode II or when the engine is
running).
The illustration is generic – the design may vary.
Activate cooling.
Deactivate cooling.
–Activate or deactivate cooling by moving the control as far as possible toward thepassenger compartment/glove compart-ment.
Related information
Passenger compartment interior (p. 532)
Private Locking (p. 260)

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MAINTENANCE AND SERVICE
544
Monthly:
Check cold tire pressure in all tires. Inspect the tires for wear.
Check that engine coolant and other fluidlevels are between the indicated "min"and "max" markings.
Clean interior glass surfaces with a glasscleaner and soft paper towels.
Wipe driver information displays with asoft cloth.
Visually inspect battery terminals for cor-rosion. Corrosion may indicate a loose ter-minal connector, or a battery near the endof its useful service life. Consult your Volvoretailer for additional information.
As needed:
Wash the vehicle, including the undercarriage, to reduce wear that can be caused by abuildup of dirt, and corrosion that can becaused by salt residues. Clean leaves and twigs from air intake vents at the base of the windshield, and from other pla-ces where they may collect.
NOTE
Complete service information for qualified technicians is available online for purchaseor subscription at www.volvotechinfo.com.
Related information
Vehicle status (p. 546)
Scheduling service and repairs (p. 547)
Connecting equipment to the vehicle's data link connector (p. 37)
Technician certification (p. 38)
Climate control system service (p. 551)
Maintenance of the brake system (p. 385)
Engine compartment overview (p. 553)
Data transfer between vehicle and workshop over Wi-Fi
Volvo workshops have a designated Wi-Fi network for data transfer between your vehi-cle and the workshop. Your visit to the work-shop will be easier and more effective whendiagnostics information and software can betransferred over the workshop's network.
At the workshop, your service technician can connect your vehicle to the workshop's Wi-Finetwork to perform troubleshooting anddownload software. For this type of communi-cation, the vehicle only connects to a work-shop's network. It is not possible to connectthe vehicle to another Wi-Fi network (e.g. yourhome network) in the same way as to a work-shop's network.
Connecting with remote keyConnection is usually managed by the servicetechnician, who will use the remote key but-tons. It is therefore important to bring a keywith buttons with you when you visit theworkshop. Pressing the lock button on theremote key three times will connect the vehi-cle to the workshop's Wi-Fi network. When the car is connected to a Wi-Fi net- work, the
symbol appears in the center
display.

MAINTENANCE AND SERVICE
* Option/accessory.551
Climate control system service
Service and repairs on the air conditioning system should only be done by an authorizedworkshop.
Troubleshooting and repairsThe air conditioning system contains a fluores- cent tracer substance. Ultraviolet light is usedto 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. Serviceand repairs to the system should only bedone by an authorized workshop.
Vehicles with R1234yf refrigerant
WARNING
The air conditioning system contains the refrigerant R1234yf under pressure. Inaccordance with SAE J2845 (TechnicianTraining for Safe Service and Containmentof Refrigerants Used in Mobile A/C Sys-tem), service and repairs to the refrigerantsystem may only be performed by trainedand certified technicians in order to ensurethe safety of the system.
Related information
Volvo's service program (p. 542)
Replacing a windshield with head- up display
*
Vehicles with a head-up display have a spe- cial type of windshield that meets therequirements for displaying projected infor-mation.
Volvo recommends contacting an authorized Volvo workshop for assistance replacing thewindshield. The correct type of replacementwindshield must be used in order for the head-up display to function properly.
Related information
Head-up display
* (p. 139)
Cleaning the head-up display
* (p. 592)

MAINTENANCE AND SERVICE
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* Option/accessory.583
Function Ampere Type
Climate system control module 10 Micro
– – Micro
Data link connector OBD-II10 Micro
Center display 5 Micro
Climate system blower module (front)40
MCaseA
USB HUB
5 Micro
Instrument lighting; Interior lighting; Rearview mirror auto-dim function*; Rain and light sensors *; Rear tunnel console
keypad, rear seat *; Power front seats *; Rear door control panels; Climate system blower module left/right 7.5 Micro
Control module for driver support functions
5 Micro
Panoramic roof with sun curtain* 20 Micro
Head-up display
* 5 Micro
Passenger compartment lighting
5 Micro
–– Micro
Ceiling console display (seat belt reminder/front passenger side airbag indicator) 5 Micro
–– Micro
–– Micro
Door module in right-side rear door20 Micro

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SPECIFICATIONS
620
Compressor oil
Volume Prescribed grade
60 ml (2.03 fl. oz.) PAG SP-A2
Evaporator
CAUTION
The A/C system evaporator must never be repaired or replaced with a previously usedevaporator. The new evaporator must becertified and labeled in accordance withSAE J2842.
Related information
Climate control system service (p. 551)