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Adaptive Cruise Control – setting time interval
Setting a time interval
Controls and display
Decrease/increase time interval
The set time interval to vehicles ahead can be increased by pressing
and decreased by
pressing
. The current time interval is
shown briefly in the display following adjust- ment. Different time intervals canbe selected and are shown in the instrument panel
3
as 1–5
horizontal bars. The greater the number of bars, thelonger the time interval. Onebar represents a time interval
of approximately 1 second; 5 bars is approxi-mately 3 seconds.
To set/change a time interval:
• Press the
/ buttons (3).
At low speeds, when the distance to the vehi- cle ahead is short, ACC increases the timeinterval slightly. In order to follow the vehicleahead as smoothly as possible, ACC allowsthe time interval to vary considerably in cer-tain situations.
WARNING
• Only use a time interval that is suitable in current traffic conditions.
• A short time interval gives the driverlimited reaction time if an unexpectedsituation occurs in traffic.
Related information
•
Adaptive Cruise Control – introduction (p. 184)
Adaptive Cruise Control – deactivating
Standby mode (temporary deactivation)To temporarily deactivate ACC (put it in standby mode):
Controls and display
Resume previous settings.
Off/On/Standby mode
• Press
(2).
This symbol and the marking for the set speed with change colors from green to
white. The previously set speed and time interval are resumed by pressing
(1).
3 The same symbol appears if Distance Alert (see Distance Alert – introduction (p. 198)) is activated

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WARNING
The vehicle may accelerate quickly after
has been pressed if its current speed is
considerably lower than the set speed.
Standby mode due to action by the driver
ACC is temporarily deactivated and put in standby mode:
• if the brakes are applied
• if the gear selector is moved to
N
• if the driver drives faster than the set speed for more than
1 minute.
In this happens, the driver will have to regu- late the vehicle's speed.
NOTE
If the accelerator pedal is only depressed for a short time, such as when passinganother vehicle, ACC is deactivated tem-porarily and is reactivated when the pedalis released.
Automatic standby modeACC is linked to other systems such as the stability system. If this system is not function-ing properly, ACC will switch off automati-cally. In the event of automatic deactivation, an audible signal will sound and the message
Cruise control Cancelled is shown in the
instrument panel. The driver must then inter- vene and adapt the vehicle's speed to thesurrounding traffic and regulate the distanceto the vehicle ahead. An automatic switch to standby mode may be caused if:
• engine speed (rpm) is too high/low
• The driver's door is opened
• The driver unbuckles his/her seat belt
• the vehicle's speed goes below 18 mph (30 km/h)
• the wheels lose traction
• brake temperature is high
• the radar sensor is obstructed by, forexample, wet snow or rain.
Resuming the set speedIf ACC is in standby mode, it can be reactiva- ted by pressing the
button on the steering
wheel keypad. The vehicle will return to the most recently set speed.
WARNING
The vehicle may accelerate quickly after
has been pressed if its current speed is
considerably lower than the set speed.
Turning ACC off completely
Controls and display
Resume previous settings.
Off/On/Standby mode
• From standby mode, press (2)
once.
• From active mode, press (2)
twice.
The set speed and time interval are then cleared from the system's memory and can- not be resumed by pressing (1)
.
Related information
• Adaptive Cruise Control – introduction (p. 184)

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212* 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. 76) 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. 198).
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. 209)
• Collision warning* – function (p. 211)
• Collision warning* – Pedestrian detection (p. 214)
• Collision warning* – Cyclist detection(p. 213)
• Collision warning* – limitations (p. 215)
• The camera’s limitations (p. 217)

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* Option/accessory, for more information, see Introduction.213
•
Collision warning – symbols and mes- sages (p. 220)
• Collision warning – troubleshooting(p. 218)
Collision warning* – Cyclist detection
The system can detect a cyclist and auto- brake if certain parameters are fulfilled.
Optimal example of what the system considers to be a cyclist: clear body/bike contours, straightfrom behind and directly in front of the vehicle
In order to help detect a cyclist, the system has to receive clear information about thecontours of the cyclist's body and the bike. Ithas to able to clearly detect the bike, thecyclist's head, arms, shoulders, legs andupper and lower body combined with the per-son's pattern of movement when cycling.
The function only detects cyclists from behind who are moving in the same direction as yourvehicle
The Cyclist Detection feature requires the fol- lowing in order to function: • The cyclist must be an adult riding an "adult-size" bike
• The bike must be equipped with anapproved and clearly visible rear-facingred reflector that is mounted at least27 in. (70 cm) above the road surface
• The feature can only detect a cycliststraight from behind and who is moving inthe same direction as your vehicle
• A cyclist who is to the left or right of yourvehicle may be detected late or not at all.
• The camera's capacity to see a cyclist atdawn or dusk is limited, much as it is forthe human eye.
• The camera's function is deactivated andwill not detect a cyclist in darkness or in

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* Option/accessory, for more information, see Introduction.215
entire body and the person must be at least 32 in. (80 cm) tall.
• The system cannot detect a pedestriancarrying a large object.
• The camera's capacity to see a pedes-trian at dawn or dusk is limited, much asit is for the human eye.
• The camera's function is deactivated andwill not detect a pedestrian in darkness orin tunnels, even if there is street lighting inthe area.
WARNING
• Pedestrian and Cyclist Detection with Full Auto Brake is designed to be asupplementary driving aid. It is not,however, intended to replace the driv-er's attention and judgement. Thedriver is always responsible for operat-ing the vehicle in a safe manner.
• The system cannot detect all pedes-trians in all situations, such as in dark-ness/at night and cannot detect parti-ally hidden pedestrians, people whoare less than approx. 32 in. (80 cm)tall, or people wearing clothing thatobscures the contours of their bodies.
Related information
•
Collision warning – introduction (p. 209)
• Collision warning* – function (p. 211)
• Collision warning* – operation (p. 212) •
Collision warning* – Cyclist detection (p. 213)
• Collision warning* – limitations (p. 215)
• Collision warning – troubleshooting(p. 218)
• Collision warning – symbols and mes-sages (p. 220)
Collision warning* – limitations
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if thedriver is not looking straight ahead may makethe visual warning signal in the windshield dif-ficult to see. For this reason, always activatethe audible warning signal. Slippery driving conditions increase braking distance, which can reduce the system'scapacity to avoid a collision. In these condi-tions, the ABS and stability systems providethe best possible braking effect while helpingto maintain stability.
NOTE
The visual warning signal may be tempo- rarily disengaged in the event of high pas-senger compartment temperature due tostrong sunlight, etc. If this occurs, theaudible warning signal will be used, even ifit has been deactivated in the menu sys-tem.

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* Option/accessory, for more information, see Introduction.217
The camera’s limitations
The camera has the same limitations as the human eye. The camera is used by Pedestrian and Cyclist Detection with Full Auto Brake Collision warn-ing – introduction (p. 209), Active High Beams(Active high beams (AHB)* (p. 90)), Road SignInformation (Road Sign Information (RSI)* –introduction (p. 179)) and Driver Alert System(Driver Alert System (p. 222)) with LaneDeparture Warning or Lane Keeping Aid.
NOTE
• To help protect the camera in very hot conditions, it may be temporarilyswitched off for approximately 15minutes after the engine has beenstarted.
• Keep the section of the windshield infront of the camera clean and free ofice, snow, or condensation.
WARNING
•
The camera has the same type of limi- tations as the human eye, i.e., it can-not see as well in heavy snowfall orrain, thick fog or in heavy blowing dustor snow. In such conditions, systemsdepending on the camera may experi-ence greatly reduced functionality ormay be temporarily deactivated.
• Never place any objects, decals, etc.,on the windshield in front of the cam-era. This could reduce or block thecamera’s function, and could causeone or more of the systems that utilizethe camera to stop functioning.
• Strong sunlight, reflections from theroad surface, ice or snow covering theroad, a dirty road surface, or unclearlane marker lines may drasticallyreduce the camera’s capacity todetect the side of a lane, a pedestrian,a cyclist or another vehicle.
Related information
•
Collision warning – introduction (p. 209)
• Collision warning* – function (p. 211)
• Collision warning* – operation (p. 212)
• Collision warning* – Pedestrian detection (p. 214)
• Collision warning* – Cyclist detection(p. 213)
• Collision warning* – limitations (p. 215) •
Collision warning – troubleshooting(p. 218)
• Collision warning – symbols and mes-sages (p. 220)
• Road Sign Information (RSI)* – introduc-tion (p. 179)
• Driver Alert System (p. 222)
• Active high beams (AHB)* (p. 90)

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Driver Alert System
The Driver Alert System is designed to help a driver who may be becoming fatigued or whois inadvertently leaving the lane.
IntroductionThe Driver Alert System consists of two differ-ent functions that can be switched ontogether or separately.• Driver Alert Control (DAC)
, see Driver
Alert Control (DAC) – introduction (p. 222)
• Lane Departure Warning (LDW)
, see
Lane Departure Warning (LDW) – intro-duction (p. 227)
When one or both of the functions has been switched on, it is in standby mode and is acti-vated when the vehicle exceeds a speed of40 mph (65 km/h). The function deactivates if the vehicle's speed goes under 37 mph (60 km/h). Both functions use a camera that is depend- ent on the road/lane being clearly marked bypainted lines on each side.
WARNING
The Driver Alert System does not function in all situations and is designed to be asupplementary aid. It is not, however,intended to replace the driver’s attentionand judgement.
Driver Alert Control (DAC) – introduction
DAC is intended to alert the driver if his/her driving becomes erratic, such as if the driveris distracted or fatigued. DAC is designed to help detect a slowly changing driving pattern. It is primarilyintended to be used on main roads and is notmeant for use in city traffic.
A camera monitors the painted lines marking the lane in which the vehicle is traveling andcompares the direction of the road with thedriver’s movements of the steering wheel.The driver is alerted if the vehicle does notfollow the lane smoothly.
NOTE
The camera has certain limitations, see Adaptive Cruise Control – limitations(p. 193).
WARNING
• DAC is not intended to extend the duration of driving. Always plan breaksat regular intervals to help remain alert.
• A warning from DAC should not beignored. A driver may not be aware ofhow fatigued he/she has become.
• In certain cases, fatigue may not affectthe driver’s behavior. In situations ofthis type, no warning will be provided.Therefore, it is important to takebreaks at regular intervals, regardlessof whether or not DAC has given awarning.
Related information
•
Driver Alert Control (DAC) – function (p. 223)
• Driver Alert Control (DAC) – operation(p. 223)
• Driver Alert Control (DAC) – limitations(p. 224)
• Driver Alert Control (DAC) – symbols andmessages (p. 225)

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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. 222)
• Lane Departure Warning (LDW) – symbols and messages (p. 230) •
Lane Departure Warning (LDW) – intro-duction (p. 227)
• Lane Departure Warning (LDW) - limita-tions (p. 229)