2013 VOLVO S80 Owner´s Manual

03 Your driving environment
Brakes
03
* Option/accessory, for more information, see Introduction.119 Brake system
The brake system is a hydraulic system con-
sisting of two separate brake circuits. If a prob-
lem should occur in one of these circuits, it is
still possible to stop the vehicle with the other
brake circuit.
If the brake pedal must be depressed farther
than normal and requires greater foot pressure,
the stopping distance will be longer.
A warning light in the instrument panel will light
up to warn the driver that a fault has occurred.
If this light comes on while driving or braking,
stop immediately and check the brake fluid
level in the reservoir.
NOTE
Press the brake pedal hard and maintain
pressure on the pedal – do not pump the
brakes.
WARNING
If the fluid level is below the MIN mark in the
reservoir or if a brake system message is
shown in the information display: DO NOT
DRIVE. Have the vehicle towed to a trained
and qualified Volvo service technician and
have the brake system inspected.
Brake pad inspectionOn vehicles equipped with a jack*, the condi-
tion of the brake pads can be checked by rais-
ing the vehicle (see page 304 for information
about using the jack and removing a wheel)
and performing a visual inspection of the brake
pads.
WARNING
•If the vehicle has been driven immedi-
ately prior to a brake pad inspection, the
wheel hub, brake components, etc., will
be very hot. Allow time for these com-
ponents to cool before carrying out the
inspection.
•Apply the parking brake and put the
gear selector in the Park (P) position.
•Block the wheels standing on the
ground, use rigid wooden blocks or
large stones.
WARNING
•Use the jack intended for the vehicle
when changing a tire. For any other job,
use stands to support the vehicle.
•The jack should be kept well-greased
and clean, and should not be damaged.
•Be sure the jack is on a firm, level, non-
slippery surface.
•No objects should be placed between
the base of jack and the ground, or
between the jack and the attachment
bar on the vehicle.
•The jack must correctly engage the jack
attachment.
•Never allow any part of your body to be
extended under a vehicle supported by
a jack.
Brake lightsThe brake lights come on automatically when
the brakes are applied.
Adaptive brake lightsThe adaptive brake lights activate in the event
of sudden braking or if the ABS system is acti-
vated. This function causes an additional tail-
light on each side of the vehicle to illuminate to
help alert vehicles traveling behind.
The adaptive brake lights activate if:

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Brakes
03
120
•The ABS system activates for more than
approximately a half second
•In the event of sudden braking while the
vehicle is moving at speeds above approx-
imately 6 mph (10 km/h)
When the vehicle has come to a stop, the brake
lights and additional taillights remain on for as
long as the brake pedal is depressed or until
braking force on the vehicle is reduced.
Power brakes function only when the
engine is running
The power brakes utilize vacuum pressure
which is only created when the engine is run-
ning. Never let the vehicle roll to a stop with the
engine switched off.
If the power brakes are not working, consider-
ably higher pressure will be required on the
brake pedal to compensate for the lack of
power assistance. This can happen for exam-
ple when towing your vehicle or if the engine is
switched off when the vehicle is rolling. The
brake pedal feels harder than usual.
Water on brake discs and brake pads
affects braking
Driving in rain and slush or passing through an
automatic car wash can cause water to collect
on the brake discs and pads. This will cause a
delay in braking effect when the pedal is
depressed. To avoid such a delay when thebrakes are needed, depress the pedal occa-
sionally when driving through rain, slush, etc.
This will remove the water from the brakes.
Check that brake application feels normal. This
should also be done after washing or starting
in very damp or cold weather.
Severe strain on the brake systemThe brakes will be subject to severe strain
when driving in mountains or hilly areas, or
when towing a trailer. Vehicle speed is usually
slower, which means that the cooling of the
brakes is less efficient than when driving on
level roads. To reduce the strain on the brakes,
shift into a lower gear and let the engine help
with the braking. Do not forget that if you are
towing a trailer, the brakes will be subjected to
a greater than normal load.
Anti-lock braking system (ABS)The Anti-lock Braking System (ABS) helps to
improve vehicle control (stopping and steering)
during severe braking conditions by limiting
brake lockup. When the system "senses"
impending lockup, braking pressure is auto-
matically modulated in order to help prevent
lockup that could lead to a skid.
The system performs a brief self-diagnostic
test when the engine has been started and
driver releases the brake pedal. Another auto-
matic test may be performed when the vehicle
first reaches a speed of approximately 6 mph(10 km/h). The brake pedal will pulsate several
times and a sound may be audible from the
ABS control module, which is normal.
Cleaning the brake discsCoatings of dirt and water on the brake discs
may result in delayed brake function. This delay
is minimized by cleaning the brake linings.
Cleaning the brake pads is advisable in wet
weather, prior to long-term parking, and after
the vehicle has been washed. Do this by brak-
ing gently for a short period while the vehicle is
moving.
Emergency Brake AssistanceEBA is designed to provide full brake effect
immediately in the event of sudden, hard brak-
ing. The system is activated by the speed with
which the brake pedal is depressed.
When the EBA system is activated, the brake
pedal will go down and pressure in the brake
system immediately increases to the maximum
level. Maintain full pressure on the brake pedal
in order to utilize the system completely. EBA
is automatically deactivated when the brake
pedal is released.

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Brakes
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121
NOTE
•When the EBA system is activated, the
brake pedal will go down and pressure
in the brake system immediately increa-
ses to the maximum level. You must
maintain full pressure on the brake
pedal in order to utilize the system com-
pletely. There will be no braking effect if
the pedal is released. EBA is automati-
cally deactivated when the brake pedal
is released.
•When the vehicle has been parked for
some time, the brake pedal may sink
more than usual when the engine is
started. This is normal and the pedal will
return to its usual position when it is
released.
Symbols in the instrument panel
SymbolSpecification
Steady glow – Check the brake
fluid level. If the level is low, fill
with brake fluid and check for
the cause of the brake fluid
loss.
Steady glow for two seconds
when the engine is started –
There was a fault in the brake
system's ABS function when
the engine was last running.
WARNING
If and come on at the same time
and the brake level is below the MIN mark
in the reservoir or if a brake system-related
message is shown in the information dis-
play: DO NOT DRIVE. Have the vehicle
towed to a trained and qualified Volvo serv-
ice technician and have the brake system
inspected.

03 Your driving environment
Parking brake
03
122
Electric parking brake
An electric parking brake has the same func-
tion as a manual parking brake.
NOTE
•A faint sound from the parking brake's
electric motor can be heard when the
parking brake is being applied. This
sound can also be heard during the
automatic function check of the parking
brake.
•The brake pedal will move slightly when
the electric parking brake is applied or
released.
Low battery voltageIf the battery voltage is too low, the parking
brake cannot be applied or released. Connect
an auxiliary battery if the battery voltage is too
low, see page 114.
Applying the electric parking brake
Parking brake control
1. Press firmly on the brake pedal.
2. Push the control.
>
The
symbol in the instrument
panel flashes while the parking brake is
being applied, and glows steadily when
the parking brake has been fully applied.
3. Release the brake pedal and ensure that
the vehicle is at a standstill.
4. When the vehicle is parked, the gear selec-
tor must be in position P.
NOTE
•In an emergency the parking brake can
be applied when the vehicle is moving
by holding in the control. Braking will be
interrupted when the accelerator pedal
is depressed or the control is released.
•An audible signal will sound during this
procedure if the vehicle is moving at
speeds above 6 mph (10 km/h).
Parking on a hill
•If the vehicle is pointing uphill, turn the front
wheels so that they point away from the
curb.
•If the vehicle is pointing downhill, turn the
front wheels so that they point toward the
curb.
The parking brake should also be applied.

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Parking brake
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Releasing the electric parking brake
Parking brake control
Manual release1. Fasten the seat belt.
2. Insert the remote key in the ignition slot and
press the START/STOP ENGINE button
(or press the START/STOP ENGINE but-
ton with a valid remote key in the passen-
ger compartment on vehicles with the
optional keyless drive).
3. Press firmly on the brake pedal.
4. Pull the parking brake control.
Automatic release1. Start the engine.
NOTE
•For safety reasons, the parking brake is
only released automatically if the engine
is running and the driver is wearing a seat
belt.
•The electric parking brake will be
released immediately when the acceler-
ator pedal is pressed and the gear selec-
tor is in position D or R.
2. Fasten the seat belt.
3.
Move the gear selector to position D or R
and press the accelerator pedal. The park-
ing brake will release when the vehicle
begins to move.
Heavy load uphillA heavy load, such as a trailer, can cause the
vehicle to roll backward when the parking
brake is released automatically on a steep
incline. To help avoid this:
1. Keep the electric parking brake lever
pushed in with the left hand while shifting
into Drive with the right.
2. While pressing the throttle pedal to pull
away, release the parking brake lever only
after the vehicle begins to move.
Symbols
SymbolSpecification
Read the message in the infor-
mation display
A flashing symbol indicates that
the parking brake is being
applied. If the symbol flashes in
any other situation then this
means that a fault has arisen.
Read the message on the infor-
mation display.
Messages
Park brake not fully released – A fault is pre-
venting the parking brake from being released.
Try to apply the parking brake and release it
several times. If the problem persists, contact

03 Your driving environment
Parking brake
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124
an authorized Volvo workshop. If you drive off
with this error message showing, a warning
signal sounds.
Parking brake not applied – A fault is pre-
venting the parking brake from being applied.
Try to apply the parking brake and release it
several times. If the problem persists, contact
an authorized Volvo workshop. If you drive off
with this error message showing, a warning
signal sounds.
Parking brake Service required – A fault has
occurred. Try to apply and release. Contact a
Volvo workshop if the fault remains.
WARNING
If the vehicle must be parked before the fault
has been corrected, always put the gear
selector in P and turn the wheels so that
they point away from the curb if the vehicle
is pointing uphill or toward the curb if it is
pointing downhill.

03 Your driving environment

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G000000
126* Option/accessory, for more information, see Introduction.
Stability system..................................................................................... 128
Road sign information (RSI) .................................................................130
Cruise control........................................................................................ 132
Adaptive Cruise Control (ACC)*............................................................ 134
Distance Alert* ..................................................................................... 145
City Safety™ ........................................................................................ 148
Collision warning with Full Auto-brake and Pedestrian Detection*...... 154
Driver Alert System* ............................................................................. 162
Park assist*........................................................................................... 168
Rear Park Assist Camera (PAC)* .......................................................... 172
Blind Spot Information System*............................................................ 176