Volvo V90 Twin Engine (2020 year). Manual in english — page 26
STARTING AND DRIVING
447
Parking on a hill
Always use the parking brake when parking
on a hill.
WARNING
Always use the parking brake when park-
ing on an inclined surface. Engaging a gear
or the automatic transmission's
P
position
is not sufficient to hold the car stationary in
all situations.
If the car is parked facing uphill:
•
Turn the wheels
away from
the kerb.
If the car is parked facing downhill:
•
Turn the wheels
towards
the kerb.
Heavy load uphill
A heavy load, such as a trailer, can cause the
car to roll backward when the parking brake is
released automatically on a steep incline.
Avoid this by pulling the control upwards
while driving the car away. Release the control
when the engine achieves traction.
Related information
•
Activating and deactivating the parking
brake (p. 445)
In the event of a fault in the
parking brake
Contact an authorised Volvo workshop if it is
not possible to deactivate or activate the
parking brake after several attempts.
An acoustic warning signal sounds when driv-
ing with the parking brake activated.
If the car must be parked before a possible
fault is rectified, then the wheels must be
turned as for parking on a hill and the gear
selector must be in position
P
.
Low battery voltage
If the battery voltage is too low then the park-
ing brake can be neither deactivated nor acti-
vated. Connect a donor battery if the battery
voltage is too low.
Replacing the brake linings
The rear brake linings must be replaced at a
workshop due to the design of the electrically-
operated parking brake - an authorised Volvo
workshop is recommended.
Symbols in the driver display
Symbol Specification
If the symbol flashes, it indicates
a fault has occurred. See the
message in the driver display.
Fault in brake system. See the
message in the driver display.
Information message in driver
display.
Related information
•
Activating and deactivating the parking
brake (p. 445)
•
•
•
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STARTING AND DRIVING
448
Automatic braking when stationary
Automatic brake when stationary (Auto hold)
means that the driver can release the brake
pedal while maintaining braking effect when
the car has stopped at traffic lights or a junc-
tion.
When the car has stopped, the brakes are
activated automatically. The function can use
either foot brake or parking brake to hold the
car stationary and it works on all gradients.
When driving off, the brakes are released
automatically if the driver is wearing the seat-
belt or the driver's door is closed.
When braking to a standstill on an uphill or
downhill slope, the brake pedal should be
depressed a little harder before being
released to ensure the car does not roll.
The parking brake is activated if
•
the car is switched off
•
the driver's door is opened
•
the driver's seatbelt is unbuckled
•
the car has been stationary for a longer
time (5-10 minutes).
Symbols in the driver display
Symbol Specification
The symbol is illuminated when
the function uses the foot brake
to keep the car stationary.
The symbol is illuminated when
the function uses the parking
brake to keep the car stationary.
Related information
•
Activating and deactivating the automatic
brake at a standstill (p. 448)
•
•
•
Help when starting on a hill (p. 449)
Activating and deactivating the
automatic brake at a standstill
The automatic brake function at a standstill is
activated using the button in the tunnel con-
sole.
–
Press the button in the tunnel console to
activate or deactivate the function.
> The indicator in the button illuminates
when the function is activated. Acti-
vated function remains even when the
car is started next time.
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STARTING AND DRIVING
* Option/accessory.
449
Applicable when switching off
If the function is active and holds the
car with the foot brake (A-symbol
illuminated in the driver display), the
brake pedal must be depressed at
the same time as the button is depressed in
order to deactivate.
•
The function remains deactivated until it is
reactivated.
•
When the function is deactivated, hill start
assist (HSA) remains active to prevent the
car from rolling backwards when starting
on an uphill gradient.
Related information
•
Automatic braking when stationary
(p. 448)
Help when starting on a hill
Hill start assist (HSA
4
) prevents the car from
rolling backwards when starting on an uphill
gradient. When reversing uphill, it prevents
the car from rolling forwards.
The function means that the pedal pressure in
the brake system remains for several seconds
while the driver's foot is moved from brake
pedal to accelerator pedal.
The temporary braking effect releases after
several seconds or when the driver starts to
drive away.
Hill start assist is available even when the
function for automatic brake when stationary
(Auto hold) is deactivated.
Related information
•
Automatic braking when stationary
(p. 448)
•
Auto braking after a collision
In the event of a collision in which the activa-
tion level is reached for the pyrotechnic seat-
belt tensioners or airbags, or if a collision
with a large animal is detected, the car's
brakes are automatically applied. This func-
tion is to prevent or reduce the effects of any
subsequent collision.
After a serious collision there is a risk that it is
no longer possible to control and steer the car.
In order to avoid or mitigate a possible further
collision with a vehicle or an object in the vehi-
cle's path, the auto braking system is acti-
vated automatically and brakes the car in a
safe manner.
Brake lights and hazard warning lights are
activated during braking. When the car has
stopped, the hazard warning lights continue to
flash and the parking brake is applied.
If braking is not appropriate, e.g. if there is a
risk of being hit by following traffic, the sys-
tem can be overridden by the driver depress-
ing the accelerator pedal.
The function assumes that the brake system is
intact after the collision.
Related information
•
•
•
4
Hill Start Assist
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STARTING AND DRIVING
450
Gearbox
The gearbox is part of the car's powertrain
(power transmission) between engine and
drive wheels. The function of the gearbox is
to change the gear ratio depending on speed
and power requirements.
The car has an eight-speed automatic gear-
box, and an electric motor for rear-wheel drive.
The number of gear changes means that the
engine's torque and power range can be used
effectively. Two of the gears are overdrive
gears that save fuel when driving at constant
engine speed. It is also possible to select
gears manually. The driver display shows
which gear position is currently in use.
Related information
•
•
Automatic gearbox
With an automatic gearbox, the system
selects a gear so that you can drive as
energy-efficiently as possible. The gearbox
also has a manual gearshift mode.
Overview of gear lever and shift pattern in the driver
display.
The driver display shows the gear position
selected:
R
,
N
,
D
or
B
. The
P
position is electrical.
During manual gear changing, the gear being
used is also shown.
To prevent damage to any drive system
components, the working temperature of
the gearbox is checked. If there is a risk of
overheating, a warning symbol illuminates
in the driver display and a text message is
shown - follow the recommendation given.
Symbols in the driver display
If a fault should occur in the gearbox, the
driver display shows a symbol and a message.
Symbol Specification
Information or error message for
gearbox. Follow the recommen-
dation given.
Hot or overheated gearbox. Fol-
low the recommendation given.
Reduced performance
/
Accel-
eration performance reduced
In the event of a temporary pow-
ertrain fault, the car can go into a
Limp home mode with reduced
engine power to prevent damage
to the powertrain.
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STARTING AND DRIVING
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* Option/accessory.
451
Related information
•
Gear positions for automatic gearbox
(p. 451)
•
Changing gear with steering wheel pad-
dles
•
Gear selector inhibitor (p. 454)
•
•
Gear positions for automatic
gearbox
With an automatic gearbox, an appropriate
gear is selected automatically depending on
the need for speed and power.
Changing gear
The gear selector is the shift-by-wire-type
where shifting is performed electronically
instead of mechanically. This means simpler
shifting and more distinct gear positions.
Overview of gear lever and gear positions.
Change gear position by pressing the spring-
loaded gear selector forwards or backwards,
or sideways for manual shifting.
Gear positions
Park position - P
Overview of gear lever and position P
The park position is activated via the
P
button
next to the gear selector.
The gearbox is mechanically blocked when the
P
position is engaged.
Select the
P
position when the car is parked or
when starting the engine. The car must be sta-
tionary when the park position is selected.
To select another gear position when the park
position is selected, the brake pedal must be
depressed and the ignition position must be
II
.
To park - first apply the parking bake and then
select park position.
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STARTING AND DRIVING
452
WARNING
Always use the parking brake when park-
ing on an inclined surface. Engaging a gear
or the automatic transmission's
P
position
is not sufficient to hold the car stationary in
all situations.
To be able to lock the car and arm the
alarm, the gear position must be in
P
.
Help functions
The system will change to
P
position automat-
ically
•
if the car is switched off in position
D
or
R
.
•
if the driver unfastens the seatbelt and
opens the driver's door when the car is
running with the gear selector in a position
other than
P
.
To park a car without wearing the seatbelt and
with the door open - exit the
P
position by
selecting
R
or
D
again.
If the car is switched off in neutral position,
there is no automatic change-over to
P
posi-
tion. This is to allow you to wash the car in the
type of car wash that requires the car to be
rolled through the facility.
Reverse position - R
Select position
R
to reverse. The car must be
stationary when reverse position is selected.
Neutral position - N
No gear is engaged and the engine can be
started. Apply the parking brake if the car is
stationary with the gear selector in
N
position.
To be able to move the gear selector from the
N
position to another gear position, the brake
pedal must be depressed and the ignition
position must be
II
.
Drive position - D
D
is the normal driving position. Shifting up
and down takes place automatically based on
the level of acceleration and speed.
The car must be stationary when changing
gear from
R
position to
D
position.
Brake position - B
Overview of brake positions in the driver display.
From
B
position, it is possible to change gear
manually. The
B
position can be selected at
any time during travel. The car brakes using its
electric motor when the accelerator pedal is
released, while also charging the hybrid bat-
tery. This gives more opportunities for
recharging the hybrid battery, since charging
also takes place without the driver using the
brake pedal.
Select brake position by moving the gear
selector backwards from the
D
position. The
driver display shows which gear is being used.
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STARTING AND DRIVING
}}
* Option/accessory.
453
•
Press the gear selector to the right to "
+
"
(plus) to change up one step and release
it.
•
Press the gear selector to the left to "
–
"
(minus) to change down one step and
release it.
•
Press the gear selector backwards to
return to the
D
position.
The gearbox automatically shifts down if the
speed decreases to a level lower than appro-
priate for the selected gear, in order to avoid
jerking and stalling.
Related information
•
•
Gear selector inhibitor (p. 454)
•
Changing gear with steering wheel pad-
dles
•
Changing gear with steering wheel
paddles
*
The steering wheel paddles are a comple-
ment to the gear selector and make it possi-
ble to change gear manually without releas-
ing hands from the steering wheel.
"
-
": Selects the next lower gear.
"
+
": Selects the next higher gear.
Activating the steering wheel paddles
To be able to change gear with the steering
wheel paddles they must first be activated:
–
Pull one of the paddles toward the steer-
ing wheel.
> A figure in the driver display indicates
current gear.
Driver display when changing gear with steering
wheel paddles.
Driver display when changing gear with steering
wheel paddles in manual gearshift mode.
Switch
To change gear one step:
–
Pull one of the paddles backwards -
towards the steering wheel - and release.
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STARTING AND DRIVING
454
A gear change occurs at each pull of the pad-
dle provided that the engine speed does not
leave the permitted range. After each gear
change the figure in the driver display changes
to show the current gear.
Deactivating the function
Manual deactivation in gear position D and
B
–
Deactivate the steering wheel paddles by
pulling the right-hand paddle (
+
) toward
the steering wheel and holding in place
until the figure in the driver display for the
current gear extinguishes.
> The gearbox returns to gear position
D
and
B
depending on the position
selected before the paddles were acti-
vated.
Automatic deactivation
In gear position
D
the steering wheel paddles
are deactivated after a short time if they are
not used. This is indicated by means of the fig-
ure for the current gear extinguishing.
In gear position
B
there is no automatic deac-
tivation.
Related information
•
•
Gear positions for automatic gearbox
(p. 451)
•
Gear selector inhibitor
The gear selector inhibitor prevents acciden-
tal changing between different gear positions
in an automatic gearbox.
Automatic gear selector inhibitor
The automatic gear selector inhibitor has spe-
cial safety systems.
From park position - P
To be able to move the gear selector from the
P
position to another gear position, the brake
pedal must be depressed and the ignition
position must be
II
.
From neutral position - N
If the gear selector is in the
N
position and the
car has been stationary for at least 3 seconds
(irrespective of whether the engine is running)
then the gear selector is locked.
To be able to move the gear selector from the
N
position to another gear position, the brake
pedal must be depressed and the ignition
position must be
II
.
Message in the driver display
If the gear selector is inhibited, a message is
shown in the driver display, e.g.
Gear lever
Press brake pedal to activate gear lever
.
The gear selector is not inhibited mechanically.
Related information
•
•
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STARTING AND DRIVING
455
Kick-down function
Kick-down can be used when maximum
acceleration is needed, such as for overtak-
ing.
When the accelerator pedal is pressed all the
way to the floor (beyond the position normally
regarded as full acceleration) a lower gear is
immediately engaged. This is known as kick-
down.
If the accelerator is released from the kick-
down position, the gearbox automatically
changes up.
Safety function
To prevent over-revving of the engine, the
gearbox control program has a protective
downshift inhibitor.
The gearbox does not permit downshifting/
kick-down which would result in an engine
speed high enough to damage the engine.
Nothing happens if the driver still tries to shift
down in this way at high engine speed – the
original gear remains engaged.
On kick-down the car can shift down one or
more steps at a time, depending in engine
speed. The car shifts up when the engine has
reached is maximum engine speed in order to
prevent engine damage.
Related information
•
Gear shift indicator
The gear shift indicator in the driver display
shows the current gear during manual gear-
shifting and when it is appropriate to engage
the next gear for optimum fuel economy.
For eco-driving during manual gear changing,
it is important to drive in the right gear and to
change gear in good time.
Gear shift indicator in the driver display
5
.
The gear shift indicator is shown in gear posi-
tion
B
. The gear shift indicator shows the cur-
rent gear in the driver display and indicates
recommended shifting to a higher gear by a
flashing plus sign.
Related information
•
All-wheel drive
All-wheel drive (AWD
6
) means that the car is
driving all four wheels at the same time,
which improves traction.
The electric motor that drives the rear wheels
enables electric all-wheel drive functionality.
All-wheel drive characteristics vary depending
on the selected drive mode.
Related information
•
•
5
The figure is schematic – parts may vary depending on car model.
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STARTING AND DRIVING
456
Drive systems
Volvo's Twin Engine combines an internal
combustion engine that drives the front
wheels with an electric motor that drives the
rear wheels.
Two drive systems
Depending on the driver-selected drive mode
and available electric energy, the two drive
systems can be used either individually or in
parallel.
The electric motor is supplied its energy from
a hybrid battery fitted in the tunnel console.
The hybrid battery can be charged in a wall
socket, or in a special charging station. The
internal combustion engine can also charge
the hybrid battery with a special high-voltage
generator.
Both the internal combustion engine and elec-
tric motor can generate motive force directly
to the wheels. An advanced control system
combines the properties of both drive systems
in order to provide optimum driving economy.
Hybrid battery - The function of the hybrid
battery is to store energy. It receives
energy when charging from the mains
power circuit, during regenerative braking
or from the high-voltage generator. It pro-
vides energy for electric operation as well
as for temporarily operating the electric air
conditioning during the preconditioning of
the passenger compartment.
Internal combustion engine - The internal
combustion engine starts when the
energy level in the hybrid battery is insuffi-
cient for the engine power that the driver
requests.
High voltage generator
7
- Charges the
hybrid battery. Starter motor for the inter-
nal combustion engine. Can support the
internal combustion engine with extra
electrical energy.
Electric motor - Powers the car in electric
operation. If necessary, provides extra tor-
que and power during acceleration. Pro-
vides electrical all-wheel drive functional-
ity. Recycles brake energy to electrical
energy.
Related information
•
General information about Twin Engine
(p. 414)
•
Starting and stopping the combustion
engine in Twin Engine (p. 457)
•
•
•
Factors that affect range when running on
electricity (p. 466)
6
All Wheel Drive
7
CISG (Crank Integrated Starter Generator) - Combined high-voltage generator and starter motor.
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STARTING AND DRIVING
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457
Starting and stopping the
combustion engine in Twin Engine
An advanced control system determines the
extent to which the car is driven on internal
combustion engine, electric motor or both in
parallel. During electric operation, the car
may sometimes need to start the internal
combustion engine automatically due to
external circumstances, e.g. in low outside
temperatures, which is completely normal. In
addition, the internal combustion engine
always starts when the hybrid battery rea-
ches its lowest state of charge.
Climate settings at low temperatures
In low outside temperatures, the internal com-
bustion engine sometimes starts automatically
in order to achieve the desired passenger
compartment temperature and air quality. The
amount of time that the internal combustion
engine runs can be affected by
•
lowering the temperature
•
reducing the fan strength
•
activating drive mode
Pure
.
Electric operation in low or high
temperatures
In low or high outside temperatures, the car's
range and output for electric operation may be
reduced and affect how often the internal
combustion engine is started automatically.
Emission control
To ensure that emission control operates as
energy-efficiently as possible, the internal
combustion engine must be run for several
minutes once it has been started. The duration
of the internal combustion engine's running
time varies depending on the temperature of
the catalytic converter.
Related information
•
•
•
Drive modes
Selection of drive mode affects the car's driv-
ing characteristics in order to enhance the
driving experience and facilitate driving in
special situations.
Using the drive modes it is possible to quickly
have access to the car's numerous functions
and settings for different driving needs. Each
drive mode is adapted to provide optimum
driving characteristics:
•
Steering
•
Engine/gearbox/all-wheel drive
•
Brakes
•
Shock absorption
•
Driver display
•
Climate settings
Select the drive mode adapted for the current
driving conditions. Remember that not all
drive modes are available in all situations.
Selectable drive modes
WARNING
Remember that the car does not emit any
engine noise when it is only powered by
the electric motor and may therefore be
difficult to notice by children, pedestrians,
cyclists and animals. This applies in partic-
ular at low speeds, such as in car parks.
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STARTING AND DRIVING
458
WARNING
Do not leave the car in an unventilated area
with activated drive mode and the fuel-
driven engine switched off - automatic
engine start occurs at low energy level in
the hybrid battery, and the exhaust gases
could then cause serious injury to people
and animals.
Hybrid
•
This is the car's normal mode where the
electric motor and internal combustion
engine work together.
When the car starts, it is in the
Hybrid
mode.
The control system uses both the electric
motor and internal combustion engine – indi-
vidually or in parallel – and adapts use with
regard to performance, fuel consumption and
comfort. The capacity to run solely with the
electric motor depends on the hybrid battery's
energy level and, for example, the need for
heating or cooling in the passenger compart-
ment.
If high power output is available, it is possible
to drive with electrical power alone. When the
accelerator pedal is depressed, only the elec-
tric motor is activated until a certain position is
reached. The internal combustion engine
starts when this position is exceeded and the
energy level in the battery is insufficient for the
engine power that the driver requests with the
accelerator pedal.
At low energy level (hybrid battery almost
empty) the battery's energy level must be
maintained, leading to the internal combustion
engine starting more often. Charge the hybrid
battery from a 230 VAC socket with the
charging cable, or activate
Charge
in the func-
tion view in order to restore the capacity to
run on electricity alone.
The drive mode is designed for low energy
consumption with a mix of the electric motor
and the internal combustion engine, without
compromising the climate comfort and driving
experience. When higher acceleration is
required, maximum additional power from the
electric drive line is used.
The car also senses if the driving conditions
require all-wheel drive and automatically
engages it if necessary. All-wheel drive and
electric additional power are always available
regardless of the battery's state of charge.
Information in the driver display
When driving in hybrid mode the driver display
shows a hybrid gauge. The pointer in the
hybrid gauge indicates how much energy the
driver requests with the accelerator pedal. The
marking between the lightning bolt and the
drop shows how much energy is available.
The driver display for propulsion with both the elec-
tric motor and internal combustion engine.
The driver display also shows when
energy is returned to the battery
(regenerated) during light braking.
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STARTING AND DRIVING
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459
Pure
•
Drive the car with electric motor, with
energy consumption as low as possible
and with lowest possible carbon dioxide
emissions.
The drive mode prioritises driving on the
hybrid battery. This means, for example, that
the output of certain climate settings is
reduced to provide the longest possible mile-
age on electric power alone.
The
Pure
mode is available when the hybrid
battery has a sufficiently high energy level. The
internal combustion engine also starts in the
Pure
mode if the energy level in the battery
falls too low. The internal combustion engine
also starts
•
if the speed exceeds 125 km/h (78 mph)
•
if the driver requests more motive force
than electric drive can provide
•
in the event of system/component limita-
tions, e.g. low outside temperature.
The drive mode is adapted for maximum range
with electric propulsion and especially devel-
oped for urban traffic.
Pure
means lowest
combustion even when the hybrid battery is
empty. The climate in the passenger compart-
ment is regulated to Eco climate, and in slip-
pery driving conditions, more wheel spin can
be permitted before all-wheel drive is acti-
vated automatically.
ECO climate control
In the
Pure
drive mode, eco climate control is
activated automatically in the passenger com-
partment in order to reduce energy consump-
tion.
When the
Pure
drive mode is activated,
several parameters in the climate control
system's settings are changed, and several
electricity consumer functions are reduced.
Certain settings can be reset manually, but
full functionality is only regained by leaving
Pure
drive mode or adapting
Individual
drive mode with full climate functionality.
In the event of difficulties due to misting,
press the button for max. defroster which has
normal functionality.
Constant AWD
•
Improve the car's roadholding and traction
with enhanced all-wheel drive.
The drive mode locks the car in all-wheel drive.
An adapted distribution between the front and
rear axle torque provides good traction, stabil-
ity and roadholding, for example on slippery
roads, when driving with a heavy trailer, or
when towing.
Constant AWD
drive mode is
always available regardless of the battery's
state of charge.
Both the internal combustion engine and elec-
tric motor are engaged in order to drive all four
wheels, which results in increased fuel con-
sumption.
In the car's other drive modes, the car auto-
matically adapts the need for all-wheel drive to
the road surface, and can engage the electric
motor or start the internal combustion engine
when necessary.
Power
•
The car has sportier characteristics and
faster response to accelerating.
The drive mode adapts the combined power
from the internal combustion engine and elec-
tric motor by means of the car being driven by
both front and rear wheels. The gear changes
become faster and more distinct, and the
gearbox prioritises a gear with greater trac-
tion. Steering response is faster and shock
absorption is harder.
Both the internal combustion engine and elec-
tric motor are engaged in order to drive all four
wheels, which results in increased fuel con-
sumption.
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STARTING AND DRIVING
* Option/accessory.
460
The drive mode is adapted for maximum per-
formance and response on acceleration. It
changes the internal combustion engine's
accelerator pedal response, gear shift pattern
and boost pressure system. Chassis settings,
steering and brake response are also as good
as possible.
Power
drive mode is always avail-
able regardless of the battery's state of
charge.
The
Power
mode is also available in the
Polestar Engineered
version
*
.
Individual
•
Adapting a drive mode according to indi-
vidual preferences.
Select a drive mode to start from, and then
adjust the settings according to the desired
driving characteristics. These settings are
saved in an individual driver profile.
An individual drive mode is only available if it is
first activated in the centre display.
Settings view
8
for individual drive mode.
1. Press
Settings
in the top view.
2. Press
My Car
Individual Drive Mode
and select
Individual Drive Mode
.
3. In
Presets
, select a drive mode to start
from:
Pure
,
Hybrid
,
Power
or
Polestar
Engineered
*
.
Possible adjustments apply to settings for:
•
Driver Display
•
Steering Force
•
Powertrain Characteristics
•
Brake Characteristics
•
Suspension Control
•
ECO Climate
Using the electric motor or internal
combustion engine
An advanced control system determines the
extent to which the car is driven on internal
combustion engine, electric motor or both in
parallel.
The primary function is to use the engine or
motor and the available energy in the hybrid
battery as efficiently as possible, with regard
to the characteristics of the different drive
modes as well as the driver's request for
power via the accelerator pedal.
There are also cases where temporary limita-
tions in the system, or functions governed by
legal requirements aimed at maintaining a low
level of total emissions for the car, may use
8
The figure is schematic - parts may vary depending on car model.
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STARTING AND DRIVING
* Option/accessory.
461
the internal combustion engine to a greater
extent.
Related information
•
•
•
Energy distribution in hybrid drive using
map data
•
•
General information about Twin Engine
(p. 414)
Changing drive mode
Select the drive mode adapted for the current
driving conditions.
Change the drive mode using the control in
the centre console.
Remember that not all drive modes are availa-
ble in all situations.
To change drive mode:
1. Press the drive mode control
DRIVE
MODE
.
> A pop-up menu is opened in the centre
display.
2. Roll the wheel upward or downward until
the desired drive mode is highlighted.
3. Press the drive mode control or tap
directly on the touch screen to confirm the
selection.
> The selected drive mode is indicated in
the driver display.
Related information
•
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STARTING AND DRIVING
* Option/accessory.
462
Energy distribution in hybrid drive
using map data
*
The
Hybrid
drive mode is the car's normal
mode where the electric motor and internal
combustion engine work individually or
together in hybrid drive. If a destination has
been selected in the navigation system
*
, the
Predictive Efficiency
9
function distributes the
electric energy consumption in an intelligent
way along the whole driving distance using
the map data.
Fuel consumption can then be reduced com-
pared with normal hybrid drive when the car is
first driven on electricity, to then change over
to being driven by the internal combustion
engine when the hybrid battery has been dis-
charged.
Function
If the distance to the selected destination is
greater than the estimated range when run-
ning on electricity, this function distributes the
electric energy for consumption that is as
energy-efficient as possible for the entire dis-
tance to be travelled. This makes it possible to
avoid situations where normal hybrid drive
would otherwise use a large proportion of the
electric energy, for example, to run electric
drive at high speed on a motorway and then
use the internal combustion engine at low
speed in urban driving.
The greatest fuel saving is achieved when
•
the distance to be travelled begins with
driving on a motorway
•
the distance to be travelled is between 50
and 100 km (30 and 60 miles)
•
the hybrid battery is fully charged at the
beginning.
Conditions for the function
For the function to work requires that a num-
ber of conditions are met:
•
A destination is set in the navigation sys-
tem and the driving distance to the desti-
nation is longer than the range possible
only on electric drive.
•
Hybrid
drive mode is selected.
•
The
Hold
and
Charge
functions are deac-
tivated.
•
The hybrid battery is charged.
Tips for use
If the car is used for commuting to work and it
is not possible to charge the car at the place of
work, specify the place of work as an inter-
mediate destination and your home as the
final destination. The discharging of the hybrid
battery will then take place over your runs
both to and from work.
Add similar commuting routes, i.e. the route
between two charging points, as
Favourites
in the navigation system to facilitate arrival.
Related information
•
•
9
Certain markets only.
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