Volvo S90 Recharge Plug-in Hybrid (2021 year). Manual in english - page 32

Connecting a phone to the car via Blue-
tooth for the first time (p. 536)

•

Internet-connected car

When the car is connected to the Internet, it
is possible – for example – to use web radio
and music services via apps, download soft-
ware and contact your retailer from the car.

The car is connected via Bluetooth, Wi-Fi or
with the car's built-in modem

(SIM card).

When the car is connected to the Internet, it is
possible to share the car's Internet connection
(Wi-Fi hotspot) so that other devices such as
tablets can access the Internet

The Internet status is indicated by a symbol in
the centre display's status bar.

Data is transferred when using the internet
(data traffic), which can have a cost.

Activation of data roaming can result in fur-
ther charges.

Contact your network operator about the
cost for data traffic.

When using Apple CarPlay, it is only possi-
ble to connect the car to the Internet using
Wi-Fi or the car modem

Symbols in the centre display's status bar
(p. 122)

When using Android Auto, it is possible to
connect the car to the Internet using Wi-Fi,
Bluetooth or the car modem

Before connecting the car to the Internet,
search support information on terms and con-
ditions for services and privacy policy for cus-
tomers at volvocars.com.

This does not apply in the case of connection with Wi-Fi.

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545

Related information

•

•

Connect the car to the Internet via a Blue-
tooth-enabled phone (p. 545)

•

Connect the car to the Internet via a
phone (Wi-Fi) (p. 546)

•

Connect the car to the Internet via car
modem (SIM card) (p. 546)

•

Apps (p. 510)

•

Sharing Internet access from the car via a
Wi-Fi hotspot (p. 548)

•

•

Remove Wi-Fi network (p. 549)

•

Wi-Fi technologies and security (p. 550)

•

Volvo ID (p. 28)

•

User terms and conditions and data shar-
ing (p. 550)

Connect the car to the Internet via

a Bluetooth-enabled phone

Create an Internet connection via Bluetooth
by sharing your phone's Internet access and
access several online services in the car.

1. To be able to connect the car to the Inter-

net via a Bluetooth-connected phone, the
phone has to have already been con-
nected to the car via Bluetooth for a first
time.

2. Make sure that your phone supports teth-

ering and that this function is activated.
On an iPhone, this function is known as
"tethering". On Android phones, this func-
tion may have different names but is fre-
quently known as "hotspot". For iPhones,
the menu page "tethering" must also be
open until the Internet connection has
been established.

3. If the phone has been connected via Blue-

tooth previously, press

Settings

in the

centre display top view.

4. Press

Communication

Bluetooth

Devices

5. Tick the box for

Bluetooth Internet

connection

under the heading

Internet

connection

6. If another connection source has been

used, confirm the option to change con-
nection.
> Your car is now connected to the Inter-

net via the Bluetooth-connected phone.

The telephone and network provider must
support tethering (Internet connection
sharing), and the subscription must include
data.

When using Apple CarPlay, it is only possi-
ble to connect the car to the Internet using
Wi-Fi or the car modem

Related information

•

Connect the car to the Internet via car
modem (SIM card) (p. 546)

•

•

Connecting a phone to the car via Blue-
tooth for the first time (p. 536)

•

Connect the car to the Internet via a
phone (Wi-Fi) (p. 546)

•

Apple

CarPlay

(p. 528)

•

Settings for Bluetooth devices (p. 544)

•

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546

Connect the car to the Internet via

a phone (Wi-Fi)

Create an Internet connection via Wi-Fi by
tethering your phone and access online servi-
ces in the car.

1. Make sure that your phone supports teth-

2. Press

Settings

in the top view.

3. Continue to

Communication

Wi-Fi

4. Activate/deactivate by ticking/unticking

the box for Wi-Fi.

5. If another connection source has been

used, confirm the option to change con-
nection.

6. Tap on the network name of the network

to be connected.

7. Enter the network password.

> The car connects to the network.

Note that certain phones switch off tethering
after the contact with the car has been discon-
nected, e.g. when leaving the car and until the
next time it is used. The tethering in the phone

therefore needs to be reactivated the next
time it is used.

When a phone is connected to the car, it is
saved for future use. To show a list of saved
networks or manually delete saved networks,
go to

Settings

Communication

Wi-Fi

Saved networks

The telephone and network provider must
support tethering (Internet connection
sharing), and the subscription must include
data.

Technical and safety requirements for Wi-Fi
connection, are described in a separate sec-
tion.

Related information

•

Remove Wi-Fi network (p. 549)

•

•

Wi-Fi technologies and security (p. 550)

•

Connect the car to the Internet via

car modem (SIM card)

It is possible to establish an Internet connec-
tion via the car modem and a personal SIM
card (P-SIM)

Cars equipped with Volvo On Call will use the
Internet connection with car modem for the
services.

Fit a personal SIM card into the holder
under the cargo area floor.

Note that a

mini SIM

is required to fit the

car's card reader.

2. Press

Settings

in the top view.

3. Press

Communication

Car Modem

Internet

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4. Activate/deactivate by ticking/unticking

the box for

Car modem Internet

5. If another connection source has been

used, confirm the option to change con-
nection.

6. Enter the SIM card's PIN code.

> The car connects to the network.

Note that the SIM card used for Internet
connection via P-SIM cannot have the
same telephone number as the SIM card
that the phone uses. If this is disregarded,
it will not be possible to route calls cor-
rectly to the telephone. Therefore, use a
SIM card with a separate telephone num-
ber for the Internet connection, or a data
card that does not handle telephone calls
and is therefore unable to disrupt the func-
tion of the telephone.

Related information

•

•

•

Settings for car modem

(p. 547)

Settings for car modem

The car is equipped with a modem that can
be used to connect the car to the Internet. It
is also possible to share the Internet connec-
tion via Wi-Fi.

1. Press

Settings

in the top view.

2. Press

Communication

Car Modem

Internet

and select settings:

•

Car modem Internet

- select whether to

use the car modem as Internet connec-
tion.

•

Data usage

- tap on

Reset

resets the

counters for received and sent data vol-
ume.

•

Network

Select network operator

- automatic or

manual selection of network operator.

Data roaming

- if the box is ticked, the

car modem will attempt to connect to the
Internet when the car is abroad and out-
side its home network. Note that this may
result in heavy costs. Check your roaming
agreement for data traffic abroad with
your network provider in your home coun-
try.

•

SIM card PIN

Change PIN

- a maximum of 4 digits can

be entered.

Disable PIN

- select whether the PIN

code shall be required for access to the
SIM card.

•

Send request code

— used e.g. to top up

or check the balance on a prepaid card.
Functionality depends on the provider.

Connect the car to the Internet via car
modem (SIM card) (p. 546)

Related information

•

•

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548

Sharing Internet access from the

car via a Wi-Fi hotspot

When the car is online, its Internet connec-
tion can be shared to allow other devices to
use it

The network operator (SIM card) must sup-
port tethering (sharing of the Internet connec-
tion).

1. Press

Settings

in the top view.

2. Press

Communication

Car Wi-Fi

Hotspot

3. Tap on

Network name

and name the

shared connection.

4. Tap on

Password

and select a password

to be entered on connecting devices.

5. Tap on

Frequency band

and select the

frequency on which the hotspot is to
transmit data. Note that selection of fre-
quency band is not available in all markets.

6. Activate/deactivate by ticking/unticking

the box for

Car Wi-Fi Hotspot

7. If Wi-Fi has been used as a connection

source, confirm the option to change con-
nection.
> It is now possible for external devices

to connect to the car's tethering (Wi-Fi
hotspot).

Symbols in the centre display's status bar
(p. 122)

Activation of Wi-Fi-hotspot can result in
further charges from your network opera-
tor.

Contact your network operator about the
cost for data traffic.

Connection status is indicated by the symbol
in the centre display's status bar.

Press

Connected devices

to see a list of the

currently connected devices.

Related information

•

•

•

Does not apply when the car is online via Wi-Fi.

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549

No or poor Internet connection

Factors that affect the Internet connection.

The amount of data transferred is dependent
on the services or apps in use in the car. For
example, streaming audio can require large
amounts of data which requires a good con-
nection and good signal strength.

Phone to car

The speed of the Internet connection may vary
depending on the location of the phone in the
car. Move the phone closer to the centre dis-
play in order to increase the signal strength.
Ensure that there is no source of interference
in between.

Phone to network operator

The speed of the mobile network varies
depending on the coverage in the present
location. Poor network coverage may occur,
for example in tunnels, in mountainous coun-
try, in deep valleys or indoors. The speed also
depends on the agreement you have with your
network.

In the event of problems with data traffic,
contact your network operator.

Restarting the phone

If there are problems with the Internet con-
nection then it may help to restart the phone.

Related information

•

Wi-Fi technologies and security (p. 550)

•

Remove Wi-Fi network

Removing a network that is not to be used.

1. Press

Settings

in the top view.

2. Continue to

Communication

Wi-Fi

Saved networks

3. Tap on

Forget

alongside the network to

be removed.

4. Confirm the selection.

> The car will no longer connect to the

network in future.

Remove all networks

All networks can be removed simultaneously
by restoring factory settings. Please note that
all user data and system settings are reset to
original factory settings.

Related information

•

•

Resetting settings in the centre display
(p. 132)

•

•

Connect the car to the Internet via a
phone (Wi-Fi) (p. 546)

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Wi-Fi technologies and security

Possible network types to connect to.

It is only possible to connect to the following
types of network:

•

Frequency — 2.4 or 5 GHz

•

Standards — 802.11 a/b/g/n.

•

Security type — WPA2-AES-CCMP.

The car’s Wi-Fi system is designed to handle
Wi-Fi devices inside the car.

If several devices operate on the frequency at
the same time then it may result in reduced
performance.

Related information

•

User terms and conditions and

data sharing

The first time certain services and apps are
started, a pop-up window with the headings

Terms and conditions

and

Data sharing

may be shown.

The purpose is to inform about Volvo's user
terms and conditions and policy for data shar-
ing. By accepting data sharing, the user
accepts that certain information is sent from
the car. This is required so that certain servi-
ces and apps can have full functionality.

The data sharing function for online services
and apps is deactivated as default

. Data

sharing needs to be activated so that certain
online services and apps in the car can be
used. Data sharing can be set from the centre
display's settings menu or in connection with
the services or apps being started in the cen-
tre display.

Privacy and data sharing

With the software update made available
November 2017, privacy and data sharing set-
tings were introduced for online services and
downloaded apps. The settings can be found
under

Privacy and data

in the settings menu

in the car's centre display.

There you can select the online services which
are allowed to share data. Data sharing for
downloaded apps can also be deactivated
there. Note that services and apps cannot be
used as intended if data sharing is deacti-
vated.

After a factory reset or e.g. a workshop visit or
software update, the data sharing settings
may have been reset to their default settings.
In which case, reactivate data sharing for
online services and for downloaded apps.

Activating and deactivating data sharing
(p. 551)

Privacy and data sharing settings are
unique for every driver profile.

Related information

•

Selection of frequency is not available on all markets.

Does not apply to Volvo On Call

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}}

551

Activating and deactivating data

sharing

Data sharing for services and apps required
can be set in the centre display's settings
menu.

1. Tap on

Settings

in the centre display's

top view.

2. Press

System

Privacy and data

3. Select activation or deactivation of data

sharing for individual services and all apps.

If data sharing has not been activated for an
online service or downloaded apps, this can be
done when they are started in the centre dis-
play. If this is the first time a service is started,
or e.g. after a factory reset or certain software
updates, Volvo's terms and conditions for
online services need to be approved. Note that
data sharing will then also be activated for
other services or apps for which sharing has
already been approved.

User terms and conditions and data shar-
ing (p. 550)

After a visit to a Volvo workshop, you may
need to reactivate data sharing so that the
online services and apps shall work again.

Related information

•

Data sharing for services

If you have not activated data sharing for an
online service or for downloaded apps, you
can do this in connection with starting them
in your centre display. If this is the first time
you are starting a service, or e.g. after a fac-
tory reset or certain software updates, you
also need to approve Volvo's terms and con-
ditions for online services.

Activate data sharing when you start a
service

1. Select the function or service to be acti-

vated.
> If this is the first time you are using the

service and also after e.g. a factory
reset or certain software updates, you
first need to approve Volvo's terms and
conditions for online services in order to
continue.

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SOUND, MEDIA AND INTERNET

552

2. Select to approve data sharing for the

service or to cancel.

If you select to approve, data sharing is acti-
vated and you can start to use the service.

Activate data sharing when you start
an app

To approve data sharing for an app that needs
the function, start the app and tap on

Allow

the pop-up window.

You can deactivate data sharing for services
and apps in the settings menu under

System

Privacy and data

Data Sharing

Storage space on hard disk

It is possible to view how much free space
there is on the car's hard disk.

Storage information for the car's hard disk,
including total capacity, available capacity and
how much space is used for installed apps can
be shown. The information is available under

Settings

System

System Information

Storage

Related information

•

Apps (p. 510)

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553

License agreement for audio and

media

A license is an agreement for the right to
operate a certain activity or the right to use
someone else's entitlement according to the
terms and conditions in the agreement. The
following texts are Volvo's agreements with
manufacturers/developers.

Bowers & Wilkins

Bowers & Wilkins and B&W are trademarks
of the B&W Group Ltd. Nautilus is a trade-
mark of B&W Group Ltd. Continuum is a
trademark of Bowers & Wilkins. Trademarks
of Bowers & Wilkins applicable in selected
markets.

Dirac Unison

Dirac Unison co-optimises the loudspeakers in
frequency, time and space for the best possi-
ble bass integration and clarity. It enables a
faithful reproduction of the acoustic characte-
ristics of specific performance venues. Using
advanced algorithms, Dirac Unison controls all
loudspeakers digitally based on acoustic high-
precision measurements. Like a conductor of
an orchestra, it guarantees that the loudspeak-
ers perform in perfect unison.

DivX

, DivX Certified

and associated logo-

types are trademarks belonging to DivX, LLC
and are used under licence.

This DivX Certified

device can play back

DivX

Home Theater video files up to 576p

(including .avi, .divx). Download free software
on www.divx.com to create, play back and
stream digital video.

ABOUT DIVX VIDEO-ON-DEMAND: This DivX
Certified

device must be registered in order

to play back purchased DivX Video-on-
Demand (VOD) films. Get the registration
code by locating the DivX VOD section in the
device's settings menu. Go to vod.divx.com
for more information on how to complete the
registration.

Patent numbers

Protected by one or more of the following US
patents. 7,295,673; 7,460,668; 7,515,710;
8,656,183; 8,731,369; RE45,052.

Gracenote

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Parts of the content are copyright

Gracenote or its suppliers.

Gracenote,Gracenote logo and logotype,
"Powered by Gracenote" and Gracenote
MusicID are either registered trademarks or
trademarks of Gracenote, Inc. in the USA
and/or other countries.

Gracenote

End User License Agreement

This program or device contains software from
Gracenote, Inc. of Emeryville, California, USA
("Gracenote"). The software from Gracenote
("Gracenote software") activates this program
to perform disc and/or file identification and
obtain music-related information, including
name, artist, track and title ("Gracenote data")
from online servers or embedded databases
(together called "Gracenote servers") and in
order to perform other actions. You may only
use Gracenote data in accordance with the
intended end-user functions for this program
or this device.

You agree to only use Gracenote data, Grace-
note software and Gracenote servers for your
own personal non-commercial use. You agree
not to assign, copy, transfer or transmit this
Gracenote software or any Gracenote data to
any third party. YOU AGREE NOT TO USE OR
EXPLOIT GRACENOTE DATA, GRACENOTE
SOFTWARE OR GRACENOTE SERVERS,
EXCEPT AS EXPRESSLY PERMITTED IN
THIS AGREEMENT.

You agree that your non-exclusive right to use
Gracenote data, Gracenote software and
Gracenote servers will be terminated if you
violate these restrictions. If your license is ter-
minated you agree to cease all use of Grace-
note data, Gracenote software and Gracenote
servers. Gracenote holds exclusive rights to all
Gracenote data, all Gracenote software and all
Gracenote servers, including all ownership
rights. Gracenote will under no circumstances
have any obligation to pay you for any informa-
tion you provide. You agree that Gracenote,
Inc. may enforce the company's rights under
this agreement against you directly in its own
name.

The Gracenote service uses a unique identifier
to track enquiries for statistical purposes. The
purpose of a randomly assigned numeric iden-
tifier is to enable the Gracenote service to
count enquiries without knowing anything
about who you are. Additional information is
available on the web page for Gracenote's pri-
vacy policy for the Gracenote service.

The Gracenote software and everything
included in Gracenote data are licensed to you
"as is". Gracenote provides no undertakings or
warranties, express or implied, as to the accu-
racy of the Gracenote data contained in the
Gracenote servers. Gracenote reserves the
right to delete data from the Gracenote serv-
ers or to change data categories for any rea-
son that Gracenote deems sufficient. No war-

ranty is provided that the Gracenote software
or Gracenote servers are fault-free or that the
Gracenote software or Gracenote servers will
operate without interruption. Gracenote has
no obligation to provide you with new,
improved or additional data types or catego-
ries that Gracenote may provide in the future,
and the company reserves the right to discon-
tinue its services at any time.

GRACENOTE DISCLAIMS ALL WARRAN-
TIES, EITHER EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTA-
BILITY, FITNESS FOR A PARTICULAR PUR-
POSE, TITLE AND NON-INFRINGEMENT OF
INTELLECTUAL PROPERTY RIGHTS.
GRACENOTE DOES NOT GUARANTEE THE
RESULTS OBTAINED THROUGH YOUR USE
OF THE GRACENOTE SOFTWARE OR A
GRACENOTE SERVER. GRACENOTE WILL
IN NO EVENT BE LIABLE FOR ANY CONSE-
QUENTIAL DAMAGE OR FOR ANY LOST
PROFITS OR REVENUES.

Gracenote, Inc. 2009

Sensus software

This software uses parts of sources from clib2
and Prex Embedded Real-time OS - Source
(Copyright (c) 1982, 1986, 1991, 1993, 1994),
and Quercus Robusta (Copyright (c) 1990,
1993), The Regents of the University of
California. All or some portions are derived

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555

from material licensed to the University of
California by American Telephone and
Telegraph Co. or Unix System Laboratories,
Inc. and are reproduced herein with the
permission of UNIX System Laboratories, Inc.
Redistribution and use in source and binary
forms, with or without modification, are
permitted provided that the following
conditions are met: Redistributions of source
code must retain the above copyright notice,
this list of conditions and the following
disclaimer. Redistributions in binary form must
reproduce the above copyright notice, this list
of conditions and the following disclaimer in
the documentation and/or other materials
provided with the distribution. Neither the
name of the <ORGANIZATION> nor the
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IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE
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BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS
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This software is based in part on the work of
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This software uses parts of sources from
"libtess". The Original Code is: OpenGL
Sample Implementation, Version 1.2.1,
released January 26, 2000, developed by
Silicon Graphics, Inc. The Original Code is
Copyright (c) 1991-2000 Silicon Graphics,
Inc. Copyright in any portions created by third
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This software is based in parts on the work of
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Linux software

This product contains software licensed under
GNU General Public License (GPL) or GNU
Lesser General Public License (LGPL), etc.

You have the right of acquisition, modification,
and distribution of the source code of the
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You may download Source Code from the
following website at no charge: http://
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Please note that we cannot respond to any
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camellia:1.2.0

Redistribution and use in source and binary
forms, with or without modification, are
permitted provided that the following
conditions are met:

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the above copyright notice, this list of
conditions and the following disclaimer as
the first lines of this file unmodified.

2. Redistributions in binary form must

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THIS SOFTWARE IS PROVIDED BY NTT ``AS
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Permission is hereby granted, free of charge,
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THE DATA FILES AND SOFTWARE ARE
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WHEELS AND TYRES

564

Tyres

The function of the tyres is to carry load, pro-
vide grip on the road surface, dampen vibra-
tion and protect the wheel from wear.

The tyres greatly affect the car's driving cha-
racteristics. The type of tyre, dimensions, tyre
pressure and speed rating are important for
how the car performs.

The car is fitted with tyres according to the
tyre information sticker found on the driver's
side door pillar (between the front door and
the rear door).

WARNING

A damaged tyre may lead to loss of control

over the car.

Recommended tyres

On delivery, the car is equipped with Volvo
original tyres that have the VOL

marking on

the side of the tyres. These tyres are carefully
adapted to the car. In the event of changing
tyres, it is therefore important that the new
tyres also have this marking in order for the
car's driving characteristics, comfort and fuel
consumption to be maintained.

New tyres

Tyres are perishable. After a few years they
begin to harden at the same time as the fric-
tion capacity/characteristics gradually deterio-
rate. For this reason, aim to get as fresh tyres
as possible when you replace them. This is
especially important with regard to winter
tyres. The last four digits in the sequence
mean the week and year of manufacture. This
is the tyre's DOT marking (Department of
Transportation), and this is stated with four
digits, for example 0717. The tyre is then man-
ufactured in week 07, year 2017.

Tyre age

All tyres older than 6 years old should be
checked by an expert even if they seem
undamaged. Tyres age and decompose, even
if they are hardly ever or never used. The func-

tion can therefore be affected. This applies to
all tyres that are stored for future use. Exam-
ples of external signs which indicate that the
tyre is unsuitable for use are cracks or disco-
louration.

Tyre economy

•

Maintain the correct tyre pressure.

•

Avoid fast starts, heavy braking and
squealing tyres.

•

Tyre wear increases with speed.

•

Correct wheel alignment is very important.

•

Unbalanced wheels worsen tyre economy
and travelling comfort.

•

The tyres must have the same direction of
rotation during their entire service life.

•

When you change tyres, the tyres with the
best tread must be fitted on the rear
wheels to reduce the risk of oversteer dur-
ing heavy braking.

•

If you drive over kerbstones or deep holes
you can damage the tyres and/or wheel
rims permanently.

Tyre rotation

The car has no mandatory tyre rotation. Driv-
ing style, tyre pressure, climate and road con-
dition affect how quickly the tyres age and

There may be deviations for certain tyre dimensions.

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WHEELS AND TYRES

* Option/accessory.

565

wear. Correct tyre pressure results in more
even wear.

To avoid differences in tread depth and to pre-
vent wear patterns forming on the tyres, the
front and rear wheels should be switched with
each other. A suitable distance for the first
change is approx. 5000 km (approx.
3100 miles) and then at 10000 km (approx.
6200 miles) intervals.

Volvo recommends the an authorised Volvo
workshop is contacted for checking if you are
uncertain about tread depth. If significant dif-
ferences in wear (> 1 mm difference in tread
depth) between tyres have already occurred,
then the least worn tyres must always be fit-
ted on the rear. Understeer is normally easier
to correct than oversteer, and leads to the car
continuing forwards in a straight line rather
than having the rear end skidding to one side,
resulting in possible complete loss of control
over the car. This is why it is important for the
rear wheels never to lose grip before the front
wheels.

Storing wheels and tyres

When you store complete wheels (tyres fitted
on wheel rims) they should be hung up or
positioned lying on their sides on the floor.

Tyres not fitted on rims must be stored lying
on their sides or standing upright, but not
hung up.

IMPORTANT

Tyres should be stored in a cool, dry and
dark place, and should never be stored
close to solvents, petrol, oils, etc.

WARNING

•

Wheel rim size and tyre size for your
Volvo are specified to meet stringent
requirements for stability and driving
characteristics. Unapproved combina-
tions of wheel rim size and tyre size
may have a negative effect on the car's
stability and driving characteristics.

•

Any damage caused by the fitting of
unapproved combinations of wheel rim
size and tyre size is not covered by the
new car warranty. Volvo accepts no lia-
bility for death, personal injury or any
costs caused by such installations.

Related information

•

Checking tyre pressure (p. 568)

•

Tyres' rotation direction (p. 567)

•

Tread wear indicators on the tyres
(p. 568)

•

Tyre pressure monitoring system

(p. 571)

•

Emergency puncture repair kit (p. 582)

•

Dimension designation for tyre (p. 566)

•

Approved wheel and tyre sizes (p. 675)

•

Recommendations for loading (p. 595)

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WHEELS AND TYRES

566

Dimension designation for tyre

Designations for tyre dimension, load index
and speed rating.

The car has an approval for the complete vehi-
cle with certain combinations of wheel rims
and tyres.

Designation of dimensions

All tyres have a dimension designation, such
as: 245/45 R18 100 W.

245 Tyre width (mm)

Ratio between tyre wall height and
tyre width (%)

Radial ply

Rim diameter in inches

100 Codes for the maximum permitted

tyre load, tyre load index (LI)

Speed rating for maximum permitted
speed, speed rating (SS). (In this
case 270 km/h (168 mph).)

Load index

Each tyre has a certain capacity to carry a
load, a load index (LI). The car's weight deter-
mines the load capacity required of the tyres.

Speed rating

Each tyre can withstand a certain maximum
speed. Tyre speed rating, SS (Speed Symbol),
must at least correspond with the car's top
speed. The table below shows the maximum
permitted speed for each speed rating (SS).
The only exception to these regulations is win-
ter tyres

, where a lower speed rating may be

used. If such a tyre is selected, the car must
not be driven more quickly than the tyre is
rated for. For example, cars with Q rating tyres
must be driven at speeds not exceeding
160 km/h (100 mph). The road conditions and
applicable road traffic rules determine how
quickly the car can be driven, not the speed
rating of the tyres.