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178* Option/accessory, for more information, see Introduction.
Collision warning* – operation
Settings are made by pressing MY CAR on
the center console control panel and using the menus displayed.
Activating/deactivating both warning
signals
To switch the system's audible and visual
signals on or off at the same time, press MY
CAR on the center console control panel and
go to
SettingsCar settingsDriver
support systems
Collision Warning. If
Pedestrian and Cyclist Detection with Full Auto Brake is on, the system will perform aself-test each time the engine is started bybriefly illuminating the warning light. See MyCar – introduction (p. 66) for a description ofthe menu system. When the engine is switched on, the system setting that was being used when it wasswitched off will be the default setting.
NOTE
The auto-brake and pedestrian/cyclist detection features are always on, even ifthe audible and visual warning signalshave been deactivated.
Activating/deactivating the audible warning signal only
The audible warning signal can be activated/ deactivated by pressing MY CAR on the cen- ter console control panel and going to
SettingsCar settingsDriver support
systems
Warning sound if risk of
collision.
Setting a warning distanceThis setting determines the distance at which the visual and audible warnings are triggered. Select
Long, Normal or Short by pressing
MY CAR on the center console control panel
and going to
SettingsCar settings
Driver support systemsCollision
Warning
Warning distance.
The warning distance determines the level of sensitivity used by the system. The warning distance
Long provides an earlier warning.
Begin by using Long and if the system gives
too many warnings, try changing to Normal.
WARNING
• The setting Short should only be used
in situations where traffic is light and moving at low speeds.
• Pedestrian and Cyclist Detection withFull Auto Brake alerts the driver to therisk of a collision but this function can-not reduce the driver’s reaction time.
• For the system to be as effective aspossible, it is recommended that Dis-tance Alert be set to 4 or 5, see Dis-tance Alert – operation (p. 164).
NOTE
•When Adaptive Cruise Control is used, the warning light and signal will beused by that function, even if thewarnings provided by Pedestrian andCyclist Detection with Full Auto Brakehave been deactivated by the driver.
• In situations where traffic is moving atconsiderably different speeds, or if thevehicle ahead brakes suddenly, warn-ings may be considered to be late, even if the setting
Long has been
selected.
Checking settingsThe current system settings can be checked by pressing MY CAR on the center console
control panel and going to
SettingsCar
settings
Driver support systemsCollision Warning.
Related information
• Collision warning – introduction (p. 175)
• Collision warning* – function (p. 177)
• Collision warning* – Pedestrian detection (p. 180)
• Collision warning* – Cyclist detection(p. 179)
• Collision warning* – limitations (p. 181)
• The camera’s limitations (p. 183)

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Collision warning – troubleshooting
Fault tracing and actions
If the message Windscreen Sensors
blocked is displayed, this means that the
camera is obscured and cannot detect pedestrians, cyclists, vehicles or road marker lines in front of the vehicle. This, in turn, means that Pedestrian and Cyclist Detection with Full Auto Brake, DriverAlert Control, Lane Departure Warning or
Lane Keeping Aid will not have full functional-ity. The table lists possible causes for this mes- sage being displayed, and suitable actions.
CauseAction
The surface of the windshield in front of the camera is dirty or covered with ice or snow.Clean or clear the section of the windshield in front of the camera.
Fog, heavy rain or snow is interfering with the function of the camera.No action possible. Heavy precipitation may affect the function of the camera.
The surface of the windshield is clean but the message remains in the display.Wait a short time. It may take several minutes for the camera to regis- ter visibility.
The surface between the inside of the windshield and the camera is dirty.Contact an authorized Volvo retailer or service technician to have this surface cleaned.

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Collision warning – symbols and messages
The table lists possible causes for collision warning-related messages being displayed,and suitable actions.A text message can be erased by pressingbriefly on the
OK button on the turn signal
lever.
SymbolMessageDescription
Collis'n warning OFFPedestrian and Cyclist Detection with Full Auto Brake is switched off. This message is displayed when the engine is started and will disappear after approx. 5 seconds. It can also be erased by pressing the OK but-
ton.
Collision Warning UnavailablePedestrian and Cyclist Detection with Full Auto Brake cannot be activated. This message is displayed when the driver attempts to activate the function. It will disappear after approx. 5 seconds or can be erased bypressing the OK button.
Auto braking was activatedAuto-braking has been active. This message can be erased by pressing the OK button.
Windscreen Sen- sors blockedThe camera is temporarily not functioning. This message is displayed if the camera is obstructed by snow, ice, dirt, etc., on the windshield. Clean the area of the windshield in front of the camera, see The camera’slimitations (p. 183) for more information on the camera’s limitations.
Radar blocked See manualPedestrian and Cyclist Detection with Full Auto Brake is temporarily not functioning. The radar sensor is blocked, for example by heavy rain or snow that has accumulated in front of the sensor, and cannot detectother vehicles, see Adaptive Cruise Control – limitations (p. 159) for more information on the radar sensor’slimitations.
Collision warn. Service requiredPedestrian and Cyclist Detection with Full Auto Brake is partially or completely not functioning. Contact a trained and qualified Volvo service technician if the message remains in the display.

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•
Driver Alert System (p. 188)
• Lane Departure Warning (LDW) – intro- duction (p. 193)
Driver Alert Control (DAC) – operation
Operating DACSettings are made using menu system and the display in the center console. See My Car– introduction (p. 66) for more information onthe menu system.
On/OffTo put Driver Alert in standby mode:
• In the
MY CAR menu, scroll to
Car
settings
Driver support systemsDriver Alert and check the box. If the box
is not checked, the function is off.
Related information
• Driver Alert Control (DAC) – introduction (p. 188)
• Driver Alert Control (DAC) – function(p. 189)
• Driver Alert Control (DAC) – limitations(p. 190)
• Driver Alert Control (DAC) – symbols andmessages (p. 191)
• Driver Alert Control (DAC) – introduction(p. 188)
• Lane Departure Warning (LDW) – intro-duction (p. 193)
Driver Alert Control (DAC) – function
FunctionDriver Alert is activated when the vehicle exceeds a speed of 40 mph (65 km/h) and willremain active as long as the speed is overapprox. 37 mph (60 km/h).
If the vehicle is being driven errati-cally, the driver will be alerted by anaudible signal and the message
Driver Alert Time for a break is
displayed. The warning will be repeated after a short time if the driving pattern remains thesame. Press the OK button to erase a message.
WARNING
• An alert should be taken seriously since it is sometimes difficult for adriver to realize that he/she is fatigued.
• In the event of a warning or if thedriver feels fatigued, stop as soon aspossible in a safe place and rest.
Related information
•
Driver Alert Control (DAC) – introduction (p. 188)
• Driver Alert Control (DAC) – operation(p. 189)
• Driver Alert Control (DAC) – limitations(p. 190)

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Driver Alert Control (DAC) – symbols and messages
Depending on the situation, DAC may display certain symbols and text messages in theinstrument panel or center console screen.
Symbols and messages
Instrument panel
SymbolMessageDescription
Driver Alert Time for a breakThe vehicle has been driven erratically. The driver receives an audible signal and a text message.
Windscreen Sensors blockedThe camera is temporarily not functioning, due to snow, ice, or dirt on the windshield. Clean the area of the windshield in front of the camera. See The camera’s limitations (p. 183) for information on the cam-era’s limitations.
Driver Alert Sys Service requiredThe system is not functioning. Contact a trained and qualified Volvo service technician if the message remains in the display.

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Center console display
SymbolMessageDescription
-Driver Alert OFFThe function is not switched on.
-Driver Alert AvailableThe function is active.
-Driver Alert Standby <65 km/hThe function has gone into standby mode because the vehicle's speed is below 40 mph (65 km/h).
-Driver Alert UnavailableThe camera is temporarily not functioning, due to snow, ice, or dirt on the windshield. Clean the area of the windshield in front of the camera. See The camera’s limitations (p. 183) for information on thecamera’s limitations.
Related information
•Driver Alert Control (DAC) – introduction (p. 188)
• Driver Alert Control (DAC) – function(p. 189)
• Driver Alert Control (DAC) – operation(p. 189)
• Driver Alert Control (DAC) – limitations(p. 190)
• Driver Alert System (p. 188)
• Lane Departure Warning (LDW) – intro-duction (p. 193)

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Lane Departure Warning (LDW) – introduction
The LDW function is designed to help reduce the risk of accidents in situations where thevehicle unintentionally leaves its lane andthere is a risk of driving off the road or into theopposite lane.
Lane Departure Warning (LDW)
The illustration is genericLDW uses the camera located at the center, upper edge of the windshield to monitor theroad's/lane’s side marker lines. If the vehiclecrosses a side marker line or the road’s cen-ter dividing line, the driver will be alerted byan audible signal.
WARNING
This feature is only intended to assist the driver and does not function in all driving,weather, traffic or road conditions. As the driver, you have full responsibility for operating the vehicle in a safe manner.
Related information
• Driver Alert System (p. 188)
• Lane Departure Warning (LDW) – symbols and messages (p. 196)
• Lane Departure Warning (LDW) – opera-tion (p. 193)
• Lane Departure Warning (LDW) - limita-tions (p. 195)
Lane Departure Warning (LDW) – operation
Operation and function
LDW can be switched on or off by pressing the button on the center console. A light inthe button illuminates when the function ison. This is supplemented by graphic displaysin the instrument panel, for example:

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LDW displayed in the instrument panel
• The LDW symbol has
white side marker
lines: – the function is active and "sees" one or both of the road's side markerlines.
• The LDW symbol has
gray side marker
lines: – the function is active but cannot"see" one or both of the road's sidemarker lines.
or
• The LDW symbol has
gray side marker
lines: – the function is in standby modebecause the vehicle's speed is below40 mph (65 km/h).
• The LDW symbol has
no side marker
lines: – the function is deactivated.
WARNING
The driver will only be warned once for each time the wheels cross a marker line.No alarm will be given if a marker line isbetween the wheels.
SettingsSettings for Lane Departure Warning can be made in the menu system by pressing My
Car . Go to
SettingsCar settings
Driver support systemsLane Departure
Warning.
There are two alternatives:
•
On at start-up: This selection switches
LDW on each time the engine is started. Otherwise, the system will be in the modethat it was in when the engine wasswitched off.
•
Increased sensitivity: This selection
increases the function’s sensitivity. Warn- ings will be given at an earlier stage andfewer limitations apply. When this settingis being used, the system only needs tomonitor lane marker lines on one side of the vehicle to change status to
Lane
Depart Warn Available.
Related information
• Driver Alert System (p. 188)
• Lane Departure Warning (LDW) – symbols and messages (p. 196) •
Lane Departure Warning (LDW) – intro-duction (p. 193)
• Lane Departure Warning (LDW) - limita-tions (p. 195)