2018 VOLVO XC90 TWIN ENGINE engine

LIGHTING
* Option/accessory.
152 Lighting panel and controls
The lighting panel and controls can be used to
adjust both exterior and interior lighting. The
lighting ring on the left-side steering wheel lever
can be used to activate and adjust the exterior
lighting. The brightness of the interior lighting
can be adjusted using the thumb wheel on the
dashboard.
Exterior lighting Lighting ring position.
With the ignition in position II or when the engine
is running, the following functions apply for the
various lighting ring positions: Position
Meaning In the US: Daytime running lights
and parking lights are off.
In Canada: Daytime running lights
and parking lights are on.
High beam flash can be used.
Parking lights when the vehicle is
parked.
In the US: Daytime running lights
are off.
In Canada: Daytime running lights
are on.
High beam flash can be used.
Low beams and parking lights.
High beams can be activated.
High beam flash can be used. Position
Meaning Daytime running lights and parking
lights in daylight conditions.
A
Low beams and parking lights in
weak daylight or dark conditions or
when the front fog lights* and/or
rear fog light are activated.
Active high beam can be activated.
High beams can be activated when
low beams are on.
High beam flash can be used. Active high beams on/off.
A
US models only: Daytime running lights and parking lights can
be deactivated in the center display.
NOTE Volvo recommends use of Daytime Running
Lights in the US. Its use is mandatory in Can-
ada.
Volvo recommends using position when
the vehicle is in motion.

LIGHTING
154Parking lights
The parking lights can be used to help other
road users see the vehicle if it is stopped or
parked. Use the lighting ring on the steering
wheel lever to turn on the parking lights.
Lighting ring in the parking light position.
Turn the lighting ring to the position to
turn on the parking lights (the license plate light-
ing will also illuminate).
Canadian models: If the ignition is in the II posi-
tion or the engine is running, the daytime running
lights will illuminate instead of the front parking
lights. With the lighting ring in this position, the
parking lights will remain on regardless of what
position the ignition is in.
US models: When mode is selected, the
daytime running lights can be deactivated in the
center display. The parking lights will also be deactivated. In weak daylight or dark conditions,
the parking lights and low beams will be illumi-
nated.
In dark conditions, the rear parking lights also
illuminate when the tailgate is opened to alert fol-
lowing traffic. This happens regardless of what
position the lighting ring or ignition is in.
Related information
•
Lighting panel and controls (p. 152)
• Ignition modes (p. 427) Daytime running lights
The vehicle has sensors that detect ambient
lighting conditions. With the lighting ring in the position, the daytime running lights will
always be activated when the ignition is in mode
II or when the engine is running. In weak daylight
or dark conditions, the headlights automatically
switch to low beams. Lighting ring in AUTO position.

LIGHTING
}}
* Option/accessory. 155
With the steering wheel lever's lighting ring in the position, the daytime running lights (DRL
1
)
will illuminate when the vehicle is driven in day-
light conditions. The headlights will switch auto-
matically from daytime running lights to low
beams in weak daylight or dark conditions. The
headlights will also switch to low beams if the
front fog lights* and/or rear fog light are acti-
vated.
US models: When mode is selected, the
daytime running lights can be deactivated in the
center display. The parking lights will also be
deactivated. In weak daylight or dark conditions,
the parking lights and low beams will be illumi-
nated.
In the US: With the lighting ring in the or
position, the daytime running lights will be
off.
In Canada: With the lighting ring in the or
position, the daytime running lights will be
on.
NOTE Volvo recommends use of Daytime Running
Lights in the US. Its use is mandatory in Can-
ada.
WARNING The system is an energy saving aid – it cannot
in all situations determine when the daylight is
too weak or not strong enough, e.g. when
there is fog or rain.
The driver is always responsible for driving the
vehicle with lighting that is safe for the traffic
conditions and as specified by applicable traf-
fic regulations.
Related information
•
Lighting panel and controls (p. 152)
• Ignition modes (p. 427)
• Low beams (p. 155) Low beams
When driving with the lighting ring in the position, low beam will be automatically acti-
vated in weak daylight or dark conditions, when
the ignition is in II position or when the engine is
running. Lighting ring in AUTO position.
With the lighting ring in the
position, the
low beams will also be automatically activated if
the rear fog light is activated.
With the lighting ring in the position, the
low beams will always be activated when the igni-
tion is in mode II or when the engine is running. 1
Daytime Running Lights

LIGHTING
}}
* Option/accessory. 159
Active Bending Lights*
Active Bending Lights (ABL) are designed to
help provide maximum illumination in curves and
intersections. Depending on equipment level,
vehicles with LED 5
headlights* may be equipped
with Active Bending Lights. Headlight pattern with function deactivated (left) and
activated (right).
Active Bending Lights follow the movement of
the steering wheel to help provide maximum illu-
mination in curves and intersections, improving
visibility for the driver.
The function is automatically activated when the
engine is started. If a fault is detected in the sys-
tem, the symbol will illuminate in the
instrument panel and a message will be dis-
played. The function is only active in weak daylight or
dark conditions and only when the vehicle is mov-
ing and the low beams are on.
Deactivating/activating the functionThe function is activated as the default factory
setting and can be activated and deactivated in
the center display's Function view:
Tap the Active BendingLights button.
Related information
• Adjusting light functions via the center dis-
play (p. 153) Rear fog light
The rear fog light is considerably brighter than
ordinary taillights and should only be used to
help other road users see the vehicle when visi-
bility is reduced by conditions such as fog,
snow, smoke or dust. Rear fog light button.
The rear fog light consists of a light on the rear
of the vehicle on the driver's side.
The rear fog light can only be switched on when
the ignition is in II mode or when the engine is
running and the lighting ring is in position or .
Press the button for On/Off. The symbol in
the instrument panel illuminates when the rear
fog light is on. 5
LED (Light Emitting Diode)

LIGHTING
162Interior Lighting
The interior is equipped with several different
types of lighting to improve the experience. This
includes reading lamps, glove box lighting and
ground lighting. All lighting in the passenger compartment can be
turned on and off manually within 5 minutes
after:
• the engine has been switched off and the
ignition is in mode 0.
• the vehicle is unlocked but the engine has
not been started.
Front ceiling lighting The controls in the ceiling console for the front reading
lights and courtesy lighting.
Reading light left side
Passenger compartment lighting
Courtesy lighting auto switch
Reading light right side
Reading lights
The reading lights on the right and left sides are
switched on and off by briefly pressing the but-
tons in the ceiling console. To adjust the bright-
ness, press and hold the button.
Passenger compartment lighting
Briefly press the button in the ceiling console to
switch on or off the footwell lighting and ceiling
lighting.
Courtesy lighting auto switch
Activate the auto switch by briefly pressing the
AUTO button in the ceiling console. With Auto
activated, the indicator light in the button and the
courtesy lighting come on and are turned off as
follows.
The courtesy lighting:
•
comes on when the vehicle is unlocked and
when the ignition is switched off
• goes off when the engine is started and
when the vehicle is locked
• comes on or goes off when a side door is
opened or closed
• remains on for 2 minutes if any of the side
doors are open.
Rear roof lightingReading lights are located in the rear section of
the vehicle and can also be used as passenger
compartment lighting.

LIGHTING
* Option/accessory.163Reading lights over the rear seat
6
. In vehicles with panoramic roofs*, there are two lamp
units, one on each side of the ceiling. 7
Briefly press the button on the light to turn on or
off the reading lights. To adjust the brightness,
press and hold the button.
Glove compartment lightingThe glove compartment lighting comes on or
goes off when the glove compartment is opened
or closed.
Vanity mirror lighting*The vanity mirror lighting comes on or goes off
when the cover over the mirror is opened or
closed.
Ground lighting*The ground lighting comes on or goes off when a
door is opened or closed.
Doorsill lightingThe doorsill lighting comes on or goes off when a
door is opened or closed.
Cargo compartment lightingThe cargo compartment lighting comes on or
goes off when the tailgate is opened or closed.
Ambient LightingThe ambient lighting comes on when the doors
are opened and goes out when the vehicle is
locked. Ambient lighting brightness can be
adjusted in the center display and also fine-tuned
using the thumb wheel in the dashboard.
Mood lighting*The vehicle is equipped with several LEDs that
provide faint lighting in various colors. This light- ing is on when the engine is running. Mood light-
ing can be adjusted in the center display and also
fine-tuned using the thumb wheel in the dash-
board.
Lighting in the door storage
compartments
Lighting in the door storage compartments
comes on when the doors are opened and goes
out when the vehicle is locked. The brightness
can be adjusted using the thumb wheel in the
dashboard.
Lighting in the front tunnel console
cupholders
The lighting in front console cupholders switches
on when the vehicle is unlocked and off when the
vehicle is locked. The brightness can be adjusted
using the thumb wheel in the dashboard.
Related information
• Adjusting interior lighting (p. 164)
• Lighting panel and controls (p. 152)
• Ignition modes (p. 427)
• Passenger compartment interior (p. 580) 6
There are also reading lights over the third row of seats*.
7 Does not apply to the third row of seats*.

LIGHTING
* Option/accessory.
164 Adjusting interior lighting
Illumination in the vehicle varies depending on
ignition mode. The interior lighting can be
adjusted with a thumb wheel in the dashboard
and certain light functions can also be adjusted
via the center display. The thumb wheel on the dash-
board at the steering wheel can
be used to adjust the bright-
ness of the display lighting,
instrument lights, ambient light-
ing and mood lighting*
Adjust ambient decor lighting1.Tap Settings in the Top view in the center
display.
2.
Tap My Car Lights and Lighting
Interior Lighting.
3.

Choose from among the following settings:
• Under
Ambient Light Intensity, select
Off, Low or High.
• Under
Ambient Light Level, select
Reduced or Full.
Adjusting mood lighting*The vehicle is equipped with several LEDs that
provide faint lighting in various colors. This light-
ing is on when the engine is running.
Changing the brightness
1. Tap Settings in the Top view in the center
display.
2.
Tap My Car Lights and Lighting
Interior Lighting Interior Mood Lighting
.
3. Under Interior Mood Light Intensity, select
Off,
Low or High.
Changing the color of the light
1. Tap Settings in the Top view in the center
display.
2.
Tap My Car Lights and Lighting
Interior Lighting Interior Mood Lighting
.
3. Choose By Temperature or By Color to
change the color of the light.
If By Temperature is selected, the light will change according to the temperature set for
the passenger compartment.
If By Color is selected, the subcategory
Theme Colors can be used to make further adjustments.
Related information
• Interior Lighting (p. 162)
• Adjusting light functions via the center dis-
play (p. 153)
• Ignition modes (p. 427)

WINDOWS, GLASS AND MIRRORS
* Option/accessory.
170 •
Storing memory settings in power front
seats* (p. 186)
• Activating and deactivating the heated rear
window and door mirrors (p. 223) Adjusting the rearview mirror
dimming function
Bright light entering the vehicle from behind, e.g.
from the headlights of following vehicles, could
reflect in the rearview mirror and door mirrors
and cause a glare. Use the dimming function
when light from behind is distracting.
Auto-dimIf bright light enters the vehicle from behind, the
door mirrors will automatically dim. Auto-dim is
always active when the engine is running, except
when reverse gear is engaged.
NOTE When the level of sensitivity is changed, this
change will not be noticeable immediately but
will instead take effect after a short period of
time.
The sensitivity level for dimming will affect both
the rearview mirror and door mirrors.
1.
Tap Settings in the Top view in the center
display.
2.

Tap My Car Mirrors and Convenience
.
3. Under Rearview Mirror Auto Dimming ,
select
Normal, Dark or Light.
The rearview mirror instead has two sensors -
one pointing forward and one pointing rearward -
which work together to identify and eliminate glare. The forward-pointing sensor monitors
ambient light, while the rearward-pointing sensor
monitors light from the headlights of following
vehicles.
For the door mirrors to be equipped with auto-
dim, the rearview mirror must also be equipped
with auto-dim.
NOTE
If the sensors are obstructed by e.g. a parking
permit, transponder, sunshade or objects on
the seats or in the cargo compartment in a
way that prevents light from reaching the sen-
sors, the auto-dim function in the door and
rearview mirrors will be reduced.
Related information
•
Rearview/door mirrors (p. 169)
• Adjusting the door mirrors (p. 171)