maintenance VOLVO XC90 TWIN ENGINE 2018 User Guide

SAFETY
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seated occupant and determine if the passeng-er's side front airbag should be enabled (mayinflate) or disabled (will not inflate).
The OWS will disable (will not inflate) the pas-senger's side front airbag when:
•the front passenger's seat is unoccupied, orhas small/medium objects in the front seat,
•the system determines that an infant is pres-ent in a rear-facing infant seat that is instal-led according to the manufacturer's instruc-tions,
•the system determines that a small child ispresent in a forward-facing child restraintthat is installed according to the manufactur-er's instructions,
•the system determines that a small child ispresent in a booster seat,
•a front passenger takes his/her weight off ofthe seat for a period of time,
•a child or a small person occupies the frontpassenger's seat.
The OWS uses a PASSENGER AIRBAG OFFindicator lamp which will illuminate and stay on toremind you that the passenger's side front airbagis disabled. The PASSENGER AIRBAG OFF indi-cator lamp is located in the overhead console,near the base of the rearview mirror.

NOTE
When the ignition is switched on, the OWSindicator light will illuminate for several sec-onds while the system performs a self-diag-nostic test.
However, if a fault is detected in the system:
•The OWS indicator light will stay on
•The SRS warning light will come on and stayon and a text message will be displayed.

WARNING
If a fault in the system is detected and indi-cated as described, be aware that the pas-senger's side front airbag will not deploy inthe event of a collision. In this case, the SRSsystem and Occupant Weight Sensor shouldbe inspected by a trained and qualified Volvoservice technician as soon as possible.
WARNING
•Never try to open, remove or repair anycomponents in the OWS system. Thiscould cause the system to malfunction.Maintenance or repairs should only becarried out by an a trained and qualifiedVolvo service technician.
•The front passenger's seat should not bemodified in any way. This could reducepressure on the seat cushion, whichmight interfere with the OWS system'sfunction.

DISPLAYS AND VOICE CONTROL
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105
Related information
• App menu in instrument panel (p. 103)
• Messages in the instrument panel (p. 105) Messages in the instrument panel
The instrument panel shows messages in certain
circumstances to inform or assist the driver. Message in the instrument panel.
High-priority messages for the driver are dis-
played in the instrument panel.
The messages may appear in different parts of
the instrument panel depending on what other
information is currently being displayed. The mes-
sage will disappear from the instrument panel
after a short period of time or after it has been
acknowledged or any required action has been
taken. Messages that need to be saved are
stored in the Car status app, which can be
opened from the App view in the center display.
The message may be shown along with graphics,
symbols or buttons to e.g. acknowledge the mes-
sage or accept a request.
Service messages
The following table lists a selection of important
service messages and what they mean. Message
Meaning
Stop safely A
Stop and switch off the
engine. Serious risk of
damage - contact a work-
shopB
.
Turn off
engine A Stop and switch off the
engine. Serious risk of
damage - contact a work-
shop
B
.
Service urgent
Drive to work-
shop A Contact a workshop
B
to
have the vehicle inspected
immediately.
Service
required A Contact a workshop
B
to
have the vehicle inspected
as soon as possible.
Regular main-
tenance
Book time for
maintenance Time for service - contact
a workshop
B
. Shown
before the next service
date.
Regular main-
tenance
Time for main-
tenance Time for service - contact
a workshop
B
. Shown on
the next service date.

||DISPLAYS AND VOICE CONTROL
106
Message
Meaning
Regular main-
tenance
Maintenance
overdue Time for service - contact
a workshop
B
. Shown when
the date for service has
passed.
Temporarily
off A A function has been tem-
porarily deactivated and
will be reactivated auto-
matically while driving or
after the engine is restar-
ted.A
Part of message, shown along with information on the location
of the problem.
B An authorized Volvo workshop is recommended.
Related information
• Handling messages in the instrument panel
(p. 106)
• Handling messages saved from the instru-
ment panel (p. 107)
• Messages in the center display (p. 140) Handling messages in the
instrument panel
Messages in the instrument panel are controlled
using the right-side steering wheel keypad. Messages in the instrument panel and the right-side
steering wheel keypad.
Left/right
Confirm
Some messages in the instrument panel contain
one or more buttons for e.g. confirming the mes-
sage or accepting a request.
Handling new messages
For messages with buttons:
1. Navigate among the buttons available by pressing the left/right arrow keys (1). 2. Confirm your selection by pressing confirm
(2).
> The message will disappear from theinstrument panel.
For messages without buttons:
– Close the message by pressing confirm (2)
or let the message automatically time-out
after a short period.
>

The message will disappear from the
instrument panel.
Messages that need to be saved are stored in
the Car status app, which can be opened from
the App view in the center display. The message
Car message stored in Car Status
application will simultaneously appear in the
center display.
Related information
• Messages in the instrument panel (p. 105)
• Handling messages saved from the instru-
ment panel (p. 107)
• Messages in the center display (p. 140)

CLIMATE CONTROL
234Deleting preconditioning timer
settings
The button for editing a list/deleting a timer setting in
the Parking climate tab in Climate view.
1. Open Climate view in the center display.
2.
Select the Parking climate tab.
3. Tap Edit list.
4.

Tap the editing icon to the right in the list.
> The icon will change to the text Delete.
5. Tap Delete to confirm.
>

The timer setting will be deleted from the
list. Climate comfort retaining function
The climate in the passenger compartment can
be maintained when the vehicle is parked, e.g. if
the engine is turned off but the driver or passen-
gers remain in the vehicle. This function can only be direct-started.
The function utilizes several of the vehicle's sys-
tems:
• Residual heat from the engine is used to
help heat the passenger compartment to a
comfortable temperature.
• In warm weather, the ventilation system cools
the passenger compartment by blowing air in
from outside.
NOTE Climate comfort maintenance will be deacti-
vated if the vehicle is locked from the outside
in order to avoid using residual engine heat
unnecessarily. This function is intended to be
used to maintain climate comfort when the
driver or a passenger remains in the vehicle
after the engine is turned off.
Related information
•
Parking climate (p. 230)
• Switching on and off the climate retaining
function when parking (p. 234) Switching on and off the climate
retaining function when parking
The climate retaining function maintains the cli-
mate settings in the vehicle after the engine has
been switched off. The function can be activated
in the center display. Button for retaining climate comfort in the Parking
climate tab in Climate view.
1. Open Climate view in the center display.
2.
Select the Parking climate tab.
3. Tap Keep climate comfort.
>

The climate comfort retaining function will
be activated/deactivated and the button
light will go on/off.

CLIMATE CONTROL
235
NOTEMaintained climate comfort is not possible
when there is not sufficient residual engine
heat to maintain the climate settings in the
passenger compartment, or if the outside
temperature is above approximately 20 °C
(68 °F).
NOTE
Climate comfort maintenance will be deacti-
vated if the vehicle is locked from the outside
in order to avoid using residual engine heat
unnecessarily. This function is intended to be
used to maintain climate comfort when the
driver or a passenger remains in the vehicle
after the engine is turned off.

DRIVER SUPPORT
}}
* Option/accessory. 295
WARNING•
The radar sensor has a limited field of
vision. In some situations, it may detect a
vehicle later than expected or not detect
other vehicles at all.
• The radar sensor cannot cover all driving
situations and traffic, weather and road
conditions.
• The driver is responsible for maintaining a
safe distance and speed and must inter-
vene if the various driver support systems
do not maintain a suitable speed or suita-
ble distance to the vehicle ahead.
• Maintenance of radar sensor components
may only be performed by a trained and
qualified Volvo technician.
• Strong sunlight, reflections from the road
surface, strong lighting contrasts or using
sunglasses may make the warning light in
the windshield difficult to see. Poor
weather or winding roads can affect the
radar sensor's capacity to detect vehicles
ahead.
• A vehicle's size (e.g., a motorcycle) can
also affect the radar sensor's capacity to
detect another vehicle. This may result in
the warning light illuminating at a shorter
distance than the one that has been set
or not illuminating at all. •
High speeds may also result in the warn-
ing light illuminating at a shorter distance
than the one that has been set due to
limitations in the radar sensor's range.
NOTE The function uses the vehicle's radar unit,
which has some general limitations – see the
section "Radar unit limitations".
Related information
•
Distance Alert* (p. 291) Adaptive Cruise Control*
Adaptive Cruise Control (ACC 41
) helps the
driver maintain a constant speed with a set time
interval to the vehicle ahead.
Adaptive Cruise Control helps provide a more
relaxed driving experience on long trips on high-
ways or long, straight roads with even traffic
flows. The camera/radar sensor measures the distance to the
vehicle ahead
42
.
The driver sets a speed and a time interval to the
vehicle ahead. If the camera/radar sensor detects
a slower-moving vehicle ahead, your vehicle's
speed will be automatically adapted according to
the set time interval to that vehicle. When there
are no longer slower-moving vehicles ahead, the
vehicle will return to the set speed.

||DRIVER SUPPORT
296
WARNING
•
The Adaptive Cruise Control function is
supplementary driver support intended to
facilitate driving and help make it safer –
it cannot handle all situations in all traffic,
weather and road conditions.
• The driver is advised to read all sections
in the Owner's Manual about this function
to learn of its limitations, which the driver
must be aware of before using the func-
tion (see the link list at the end of this
article).
• Adaptive Cruise Control is not a substi-
tute for the driver's attention and judg-
ment. The driver is always responsible for
ensuring the vehicle is driven in a safe
manner, at the appropriate speed, with an
appropriate distance to other vehicles,
and in accordance with current traffic
rules and regulations.
NOTE Depending on market, this function may be
either Standard or Optional.
Adaptive Cruise Control regulates speed by
accelerating and braking. It is normal for the brakes to emit a slight sound when they are
being used to adjust speed.
Adaptive Cruise Control always attempts to regu-
late speed smoothly. The driver must apply the
brakes in situations requiring immediate braking.
For example, when there are great differences in
speed between vehicles or if the vehicle ahead
brakes suddenly. Due to limitations in the radar
sensor, braking may occur unexpectedly or not at
all.
Adaptive Cruise Control is designed to follow a
vehicle ahead in the same lane and maintain a
time interval to that vehicle set by the driver. If the
radar sensor does not detect a vehicle ahead, it
will instead maintain the speed set by the driver.
This will also happen if the speed of the vehicle
ahead exceeds the set speed for your vehicle.
• Adaptive Cruise Control can follow another
vehicle at speeds from a standstill up to
200 km/h (125 mph).
WARNING •
Adaptive Cruise Control is not a collision
avoidance system. The driver is always
responsible and must intervene if the sys-
tem fails to detect a vehicle ahead.
• Adaptive Cruise Control does not brake
for people or animals and does not brake
for small vehicles, such as bikes and
motorcycles. Similarly, it does not brake
for low trailers, oncoming, slow-moving or
stationary vehicles and objects.
• Do not use Adaptive Cruise Control in
demanding situations, such as in city traf-
fic, at intersections, on slippery surfaces,
with a lot of water or slush on the road, in
heavy rain/snow, in poor visibility, on
winding roads, or on on/off ramps.
CAUTION Maintenance of Adaptive Cruise Control com-
ponents may only be performed by a work-
shop – an authorized Volvo workshop is rec-
ommended.
41
Adaptive Cruise Control
42 Note: This illustration is general and details may vary depending on mod\
el.

||DRIVER SUPPORT
312
WARNING
•
The Pilot Assist function is supplementary
driver support intended to facilitate driv-
ing and help make it safer – it cannot
handle all situations in all traffic, weather
and road conditions.
• The driver is advised to read all sections
in the Owner's Manual about this function
to learn of its limitations, which the driver
must be aware of before using the func-
tion (see the link list at the end of this
article).
• Pilot Assist should only be used if there
are clear lane lines painted on each side
of the lane. All other use will increase the
risk of contact with nearby obstacles that
cannot be detected by the functions.
• Pilot Assist is not a substitute for the driv-
er's attention and judgment. The driver is
always responsible for ensuring the vehi-
cle is driven in a safe manner, at the
proper position within the lane, at the
appropriate speed, with an appropriate
distance to other vehicles, and in accord-
ance with current traffic rules and regula-
tions.NOTE Depending on market, this function may be
either Standard or Optional.
Pilot Assist regulates speed by accelerating and
braking. It is normal for the brakes to emit a slight
sound when they are being used to adjust speed.
Pilot Assist attempts to smoothly regulate speed.
The driver must apply the brakes in situations
requiring immediate braking. For example, when
there are great differences in speed between
vehicles or if the vehicle ahead brakes suddenly.
Due to limitations in the camera and radar sen-
sor, braking may occur unexpectedly or not at all.
Pilot Assist is designed to follow a vehicle ahead
in the same lane and maintain a time interval to
that vehicle set by the driver. If the radar sensor
does not detect a vehicle ahead, it will instead
maintain the speed set by the driver. This will also
happen if the speed of the vehicle ahead
exceeds the set speed for your vehicle.
• Pilot Assist can follow another vehicle at
speeds from a standstill up to 200 km/h
(125 mph).
• Pilot Assist can provide steering assistance
from near-stationary speeds up to 140 km/h
(87 mph).WARNING •
Pilot Assist is not a collision avoidance
system. The driver must intervene if the
system fails to detect a vehicle ahead.
• Pilot Assist does not brake for people,
animals, objects, small vehicles (e.g.
cycles and motorcycles), low trailers as
well as oncoming, slow or stationary vehi-
cles.
• Do not use Pilot Assist in demanding sit-
uations, such as in city traffic, at intersec-
tions, on slippery surfaces, with a lot of
water or slush on the road, in heavy rain/
snow, in poor visibility, on winding roads,
on highway on- or off-ramps, or with a
trailer connected to the vehicle.
CAUTION Maintenance of the integrated components in
Pilot Assist may only be performed by a work-
shop – an authorized Volvo workshop is rec-
ommended.
In curves and forks in the roadPilot Assist is designed to interact with the driver.
The driver should never wait for steering assis-
tance from Pilot Assist, but instead should always
be ready to increase his or her own steering
efforts, particularly in curves.

||DRIVER SUPPORT
* Option/accessory.
326 The previous illustration
69
shows that Pilot Assist
is set to maintain a speed of 110 km/h (68 mph)
and that there is no target vehicle ahead to fol-
low.
In this example, Pilot Assist will provide steering
assistance because it can detect the lane's side
marking lines.
Related information
• Pilot Assist (p. 311) Radar sensor
The radar sensor is used by several driver sup-
port systems to detect other vehicles. Note: This illustration is general and details may vary
depending on model.
The radar sensor is used by the following func-
tions:
• Distance Alert*
• Adaptive Cruise Control*
• Lane Keeping Aid
• Pilot Assist*
• City Safety
Any modifications to the radar sensor may make
its use illegal.
Related information
• Radar sensor limitations (p. 327)
• Recommended maintenance for the radar
sensor (p. 330)
• Radar sensor type approval (p. 330) 69
Note: This illustration is general and details may vary depending on mod\
el.

DRIVER SUPPORT
330Recommended maintenance for the
radar sensor
In order for the camera/radar sensor to function
properly, the area of the windshield in front of the
unit must be kept free of dirt, ice, snow, etc. and
should be washed regularly with water and car
washing detergent.
NOTE
Dirt, ice and snow covering the camera and
radar unit reduce their function and can make
measurement impossible.
It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.
Related information
•
Radar sensor (p. 326) Radar sensor type approval
The type approval for the vehicle radar sensor in
the ACC 71
, PA 72
and BLIS 73
functions can be
read here.
ACC 71
, PA 72
and BLIS 73USA & Canada:
FCC ID: L2C0054TR IC: 3432A-0054TR
FCC ID: L2C0055TR IC: 3432A-0055TR
This device complies with Part 15 of the FCC
Rules and with Industry Canada license-exempt
RSS standard(s).
Operation is subject to the following two
conditions:
(1) This device may not cause harmful
interference, and
(2) This device must accept any interference
received, including interference that may cause
undesired operation.
Cet appareil est conforme aux CNR d