towing VOLVO S80 2008 Owners Manual

3 Contents
03 Your driving environment
Instruments and controls72
Ignition modes80
Seats82
Steering wheel87
Lighting89
Wipers and washers95
Power windows97
Mirrors99
Power moonroof101
HomeLink® Universal
Transceiver103
Starting the engine
107
Transmission110
Brakes113
Parking brake115
04 Comfort and driving pleasure
Menus and messages122
Climate system126
Audio system134
Trip computer147
Compass149
Stability system151
Active chassis system-Four C153
Cruise control154
Adaptive Cruise Control-ACC156
Distance Alert163
Collision Warning with Auto-
brake (option)166
Driver Alert System -option
171
Park assist (option)176
Blind Spot Information System
(option)179
Passenger compartment
convenience183
05 During your trip
Driving recommendations
188
Refueling192
Loading198
Towing a trailer201
Emergency towing204
4 Contents
06 Maintenance and specifications
Volvo maintenance 208
Maintaining your car209
Hood and engine compartment211
Engine oil212
Fluids214
Replacing bulbs216
Wiper blades and washer fluid224
Battery226
Fuses230
Wheels and tires235
Vehicle care262
Label information267
Specifications269
Volvo programs277
07 Index
Index278

3 Contents
03 Your driving environment
Instruments and controls72
Ignition modes80
Seats82
Steering wheel87
Lighting89
Wipers and washers95
Power windows97
Mirrors99
Power moonroof101
HomeLink® Universal
Transceiver103
Starting the engine
107
Transmission110
Brakes113
Parking brake115
04 Comfort and driving pleasure
Menus and messages122
Climate system126
Audio system134
Trip computer147
Compass149
Stability system151
Active chassis system-Four C153
Cruise control154
Adaptive Cruise Control-ACC156
Distance Alert163
Collision Warning with Auto-
brake (option)166
Driver Alert System -option
171
Park assist (option)176
Blind Spot Information System
(option)179
Passenger compartment
convenience183
05 During your trip
Driving recommendations
188
Refueling192
Loading198
Towing a trailer201
Emergency towing204
4 Contents
06 Maintenance and specifications
Volvo maintenance 208
Maintaining your car209
Hood and engine compartment211
Engine oil212
Fluids214
Replacing bulbs216
Wiper blades and washer fluid224
Battery226
Fuses230
Wheels and tires235
Vehicle care262
Label information267
Specifications269
Volvo programs277
07 Index
Index278

Volvo's optional integrated booster cushion is located in the center seating position. This booster cushion has been
specially designed to help safeguard a child seated in the rear seat. This cushion should be stowed (folded up into the
rear seat backrest) when not in use. When using an integrated booster cushion, the child must be secured with the
vehicle's three-point seat belt.
Use this booster cushion only with children who weigh between 33 and 80 lbs (15 and 36 kg) and whose height is
between 38 and 54 in (97 and 137 cm). In Canada, Transport Canada's weight recommendation is 40-80 lbs (18-
36 kg).
The booster cushion is designed to raise the child higher, so that the shoulder strap crosses over the child's collarbone,
not over the child's neck. If using a booster cushion does not result in proper positioning of the shoulder strap, then the
child should be placed in a properly secured child restraint (see the information beginning on page 34
). The shoulder
belt must never be placed behind the child's back or under the arm.
1Canada only: This cushion may be referred to as a built- in booster cushion.
46 01 Safety
Integrated booster cushion
Using the integrated booster cushion
Fold down the booster cushion from the rear seat backrest.
Loosen the Velcro strip.
Fold up the backrest section of the booster cushion into the upright position.
Stowing the integrated booster cushion

Indicator and warning symbols
High beam and turn signal indicators
Function check
All indicator and warning symbols light up in ignition mode II or when the engine is started. When the engine has
started, all the symbols should go out except the parking brake symbol, which only goes out when the brake is
disengaged.
If the engine does not start or if the function check is carried out in ignition mode II , all symbols go out after 5
seconds except the
75 03 Your driving environment
Instruments and controls
symbol for faults in the vehicle's emissions system and the symbol for low oil pressure.
Certain symbols may not have their functions illustrated, depending on the vehicle's equipment.
Indicator and warning symbols
Trailer turn signal indicator
If you are towing a trailer, this light will flash simultaneously with the trailer's turn signals. If the light does not flash,
or if they flash faster than usual when signaling a turn, the turn signals on the trailer or on the vehicle are not
functioning properly.
Malfunction Indicator Light
As you drive, a computer called On- Board Diagnostics II (OBDII) monitors your vehicle's engine, transmission,
electrical and emission systems.
The malfunction indicator (CHECK ENGINE) light will illuminate if the computer senses a condition that potentially

This symbol also comes on when the mechanical parking brake is only slightly applied.
Airbags - SRS
If this light comes on while the vehicle is being driven, or remains on for longer than approximately 10 seconds after
the vehicle has been started, the SRS system's diagnostic functions have detected a fault in a seat belt lock or
pretensioner, a front airbag, side impact airbag, and/or an inflatable curtain. Have the system(s) inspected by a trained
and qualified Volvo service technician as soon as possible.
Seat belt reminder
This symbol comes on for approximately 6 seconds if the driver has not fastened his or her seat belt.
Generator not charging
This symbol comes on during driving if a fault has occurred in the electrical system. Contact an authorized Volvo
workshop.
Engine temperature
Engine overheating can result from low oil or coolant levels, towing or hard driving at high heat and altitude, or
mechanical malfunction. Engine overheating will be signaled with text and a red warning triangle in the middle of the
instrument display. The exact text will depend on the degree of overheating. It may range from " HIGH ENGINE
TEMP - SLOW DOWN " to "HIGH ENGINE TEMP - STOP ENGINE ." If appropriate, other messages, such as
" COOLANT LEVEL LOW " will also be displayed. If your engine does overheat so that you must stop the engine,
always allow the engine to cool before attempting to check oil and coolant levels.
Fault in brake system
If this symbol lights, the brake fluid level may be too low. Stop the vehicle in a safe place and check the level in the
brake fluid reservoir, see page 211
. If the level in the reservoir is below MIN , the vehicle should be transported to an
authorized Volvo workshop to have the brake system checked.
If the brake and ABS symbols come on at the same time, there may be a fault in the brake force distribution system.
1. Stop the vehicle in a safe place and turn off the engine.
2. Restart the engine.
If both symbols extinguish, continue driving.
If the symbols remain on, check the level in the brake fluid reservoir. See page 211. If the brake fluid level is
normal but the symbols are still lit, the vehicle can be driven, with great care, to an authorized Volvo workshop to
have the brake system checked.
If the level in the reservoir is below MIN , the vehicle should be transported to an authorized Volvo workshop to
have the brake system checked.
WARNING
If the fluid level is below the MIN mark in the reservoir or if a warning message is displayed in the text window:
DO NOT DRIVE. Have the vehicle towed to a trained and qualified Volvo service technician and have the brake
system inspected.
If the ABS and Brake system lights are on at the same time, there is a risk of reduced vehicle stability.
78 03 Your driving environment
Instruments and controls

Insert the remote key in the ignition slot.
Ignition mode I
Press the remote key into the ignition slot and press START/STOP ENGINE.
Ignition mode II
Press the remote key into the ignition slot and press START/STOP ENGINE for approx. 2 seconds.
Ignition mode III (engine start)
Start the engine, see page 107
.
Stopping the engine
Press START/STOP ENGINE . (If the engine is running and the vehicle is moving, keep the button depressed until
the engine stops).
Return to ignition mode 0
Press START/STOP ENGINE to return from I, II, or III to ignition mode 0.
NOTE
During towing, ignition mode II should be used so that the lighting can be switched on.
81 03 Your driving environment
Ignition modes
Functions with timer
The audio system can be operated without a key for 15 minutes at a time by pressing the POWER button. The power
windows work for several minutes after the key has been removed, although not after the door has been opened.
NOTE
Use the POWER button for the audio system when the engine is not running to avoid discharging the battery.

the vehicle.
Never remove the remote key from the ignition slot while driving or when the vehicle is being towed. The
steering lock could otherwise be activated, making it impossible to steer the vehicle. Never remove the remote key
with keyless drive function (option) from the vehicle while driving or during towing.
Always place the gear selector in Park and apply the parking brake before leaving the vehicle. Never leave the
vehicle unattended with the engine running.
Always open garage doors fully before starting the engine inside a garage to ensure adequate ventilation. The
exhaust gases contain carbon monoxide, which is invisible and odorless but very poisonous.
108 03 Your driving environment
Starting the engine
NOTE
The idling speed can be noticeably higher than normal during cold starts. This is to enable emission control system
can reach normal operating temperature as quickly as possible, which helps reduce exhaust emissions
1.
Keylock: Your vehicle is equipped with a keylock system. When the engine is switched off, the gear selector must
be in the Park position before the key can be removed
2 from the ignition slot.
1If the gear selector is in the D or R positions and the car is not moving, engine speed (rpm) will be lower and it will take longer for the engine to
reach normal operating temperature.
2Does not apply to vehicles with the optional keyless drive.
CAUTION
When starting in cold weather, the automatic transmission may shift up at slightly higher engine speeds than
normal until the automatic transmission fluid reaches normal operating temperature.
Do not race a cold engine immediately after starting. Oil flow may not reach some lubrication points fast enough
to prevent engine damage.
The engine should be idling when you move the gear selector. Never accelerate until after you feel the
transmission engage. Accelerating immediately after selecting a gear will cause harsh engagement and premature
transmission wear.
Selecting P or N when idling at a standstill for prolonged periods of time will help prevent overheating of the
automatic transmission fluid.
Keyless drive (option)
Follow steps 3-4 for starting the engine.
NOTE
For the vehicle to start, one of the vehicle's remote keys must be in the passenger compartment.
Steering wheel lock
The steering wheel lock is deactivated when the remote key is inserted into the ignition slot
1 and activated when the
remote key is removed from the ignition slot.
Always take the remote key or keyless drive remote when leaving the vehicle to help reduce the risk of theft.
1 On vehicles with the optional keyless drive, the steering lock is deactivated when the start button is pressed for the first time (assuming that a

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.
Power brakes function only when the engine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll
to a stop with the engine switched off.
If the power brakes are not working, the brake pedal must be pressed approximately five times harder than usual to
make up for the lack of power assistance. This can happen for example 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 the brakes are
needed, depress the pedal occasionally 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 system
The 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
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 automatically
modulated in order to help prevent lockup that could lead to a skid.
The system performs a self -diagnostic test when the engine is started and when the vehicle first reaches a speed of
approximately 12 mph (20 km/h). The brake pedal will pulsate several times and a sound may be audible from the
ABS control module. This is normal.
114 03 Your driving environment
Brakes
Cleaning the brake discs
Coatings 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 braking gently for a short period while the vehicle is moving.
Emergency Brake Assistance

Visual indicator
The audio system's display gives an overview of the vehicle's position in relation to a detected object.
The markers in the display indicate that one or more of the four sensors has detected an object. The greater the number
of markers, the closer the vehicle is to the object.
Display in a vehicle with rear park assist only. Here, an object has been detected by both of the right rear sensors.
Display in a vehicle with both front and rear park assist. The solid marker in this example indicates that an object is
closer than approximately 1 foot (30 cm) to the right front sensor.
Display in a vehicle with both front and rear park assist. Reverse gear is selected and no objects have been detected
in front of or behind the vehicle.
Audible signal
The Park Assist system uses an intermittent tone that pulses faster as you come close to an object, and becomes
constant when you are within approximately 1 ft (30 cm) of an object in front of or behind the vehicle (example 2 in
the illustration). If there are objects within this distance both behind and in front of the vehicle, the tone alternates
between front and rear speakers.
If the volume of another source from the audio system is high, this will be automatically lowered.
The distance monitored behind the vehicle is approximately 5 ft (1.5 m). The audible signal comes from the rear
speakers.
The system must be deactivated when towing a trailer, carrying bicycles in a rear-mounted carrier, etc, which could
trigger the rear park assist system's sensors.
NOTE
Rear park assist is deactivated automatically when towing a trailer if Volvo genuine trailer wiring is used.

The door panel indicator light illuminates on the side of the vehicle where the system has detected another vehicle. If
your vehicle is passed on both sides at the same time, both lights will illuminate.
BLIS has an integrated function that alerts the driver if a fault should occur with the system. For example, if one or
both of the system's cameras are obscured, a message (see the table on page 182
) will appear in the information
display in the instrument panel. If this occurs, clean the camera lenses. If necessary, the system can be temporarily
switched off (for instructions, see page 182
).
180 04 Comfort and driving pleasure
Blind Spot Information System (option)
When does BLIS function
The system functions when your vehicle is moving at speeds above 6 mph (10 km/h).
When you pass another vehicle:
The system reacts when you pass another vehicle at a speed of up to 6 mph (10 km/h) faster than that vehicle.
When you are passed by another vehicle:
The system reacts if your vehicle is passed by another vehicle at a speed of up to 43 mph (70 km/h) faster than your
vehicle.
WARNING
BLIS does not function in sharp curves.
BLIS does not function when your vehicle is backing up.
If you are towing a wide trailer, this may prevent the BLIS cameras from detecting other vehicles in adjacent
lanes.
How BLIS functions in daylight and darkness
Daylight
BLIS reacts to the shape of surrounding vehicles. The system is designed to help detect motor vehicles such as cars,
trucks, buses, motorcycles, etc.
Darkness
BLIS reacts to the headlights of surrounding vehicles. In order to be detected by BLIS, a vehicle in the blind area
must have its headlights on. This means, for example, that the system will not detect a trailer without headlights that is