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DRIVER SUPPORT
174Before a speed can be set, the cruise control system must be engaged (put in standby mode).
–Press the
CRUISE button (1).
> The symbol
illuminates and the text(---) mph (5) indicates that cruise control
is in standby mode.
NOTE
Putting cruise control in standby mode does not set a cruising speed.
Setting a speed
Use the or buttons set the vehicle's cur-
rent speed. The set speed is shown in the display.
NOTE
Cruise control cannot be engaged at speeds below 20 mph (30 km/h).
Adjusting the set speedAfter a speed has been set, it can be increased or decreased by using the
or buttons.
1. Press
or briefly and release the but-
ton to increase or decrease vehicle speed by approximately 1 mph or 1 km/h.
> This will become the set speed when the button is released. 2. Press and hold one of these buttons to
increase/decrease the speed in 1-mph or 1- km/h increments. Release the button whenyou have reached the desired speed.
NOTE
• A temporary increase in speed by press- ing the accelerator pedal, for less than1 minute (e.g. when passing another car),does not affect the current cruise controlsetting. The vehicle will automaticallyreturn to the previously set speed whenthe accelerator pedal is released.
• If one of the cruise control buttons iskept depressed for more than approx.1 minute cruise control is disengaged.The engine must then be switched off inorder to reset cruise control.
Related information
•Cruise control (CC) – introduction (p. 173)
• Cruise control (CC) – deactivating (p. 175)
Toggling between ACC and CC (standard Cruise Control)
Adaptive Cruise Control (ACC) helps the driver maintain a safe distance/time interval to the vehi-cle ahead.
Switching from ACC to CCThis may be useful if, for example, the radar sen- sor is obstructed in some way. See AdaptiveCruise Control – limitations (p. 186) for addi-tional information.
• Press and hold the
button; the symbol in
the instrument panel will switch from
to
.
> This activates the standard cruise control function (see Cruise control (CC) – introduc- tion (p. 173)).
WARNING
Switching from ACC to CC means that:
• Your vehicle will
no longer automatically
maintain a set distance to a vehicle ahead.
• Only the set speed will be maintained andthe driver will have to apply the brakeswhen needed.
Switching from CC to ACC
Switch off cruise control by pressing once or
twice as needed according to the instructions in
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179
WARNING
Adaptive Cruise Control only warns of vehicles detected by the radar sensor, see AdaptiveCruise Control – limitations (p. 186). In somecases there may be no warning or the warn-ing may be delayed. The driver should alwaysapply the brakes when necessary.
Steep inclines and/or heavy loadsACC is primarily intended for use on fairly level roads. The system may have difficulty maintainingthe correct distance to a vehicle ahead on steepinclines, if the vehicle is carrying a heavy load oris towing a trailer. In these situations, the drivershould always be prepared to apply the brakes ifnecessary.
Related information
•Adaptive Cruise Control – introduction(p. 176)
Adaptive Cruise Control – engaging
Putting ACC in standby modeBefore ACC can be used to regulate speed and/or the distance to a vehicle ahead, it mustfirst be put in standby mode. To do so:
Controls and display
Off/On/Standby mode
• Press
(2).
> The same symbol (7) appears (in white) in
the instrument panel to indicate that ACC is in standby mode.
NOTE
The driver's door must be closed and the driv- er's seat belt must be fastened before ACCcan be put in active mode. If the driver's seatbelt is taken off or if the driver's door isopened, ACC will return to standby mode.
Related information
• Adaptive Cruise Control – introduction (p. 176)
DRIVER SUPPORT
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181
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 adjustment. Different time intervals can be selected and are shown in the instrument panel
2
as 1–5 hori-
zontal bars. The greater the number of bars, the longer thetime interval. One bar repre-sents a time interval of approxi-
mately 1 second; 5 bars is approximately3 seconds.
To set/change a time interval:
• Press the
/ buttons (3).
At low speeds, when the distance to the vehicle ahead is short, ACC increases the time intervalslightly. In order to follow the vehicle ahead assmoothly as possible, ACC allows the time inter-val to vary considerably in certain situations.
WARNING
• Only use a time interval that is suitable in current traffic conditions.
• A short time interval gives the driver lim-ited reaction time if an unexpected situa-tion occurs in traffic.
Related information
• Adaptive Cruise Control – introduction (p. 176)
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).
2 The same symbol appears if Distance Alert (see Distance Alert – introduction (p. 191)) is activated
||
DRIVER SUPPORT
182
WARNING
The vehicle may accelerate quickly after has been pressed if its current speed is con- siderably 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 regulate
the vehicle's speed.
NOTE
If the accelerator pedal is only depressed for a short time, such as when passing anothervehicle, ACC is deactivated temporarily and isreactivated when the pedal is released.
Automatic standby modeACC is linked to other systems such as the sta- bility system. If this system is not functioningproperly, ACC will switch off automatically. 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 intervene and adapt the vehicle's speed to the surrounding traffic andregulate the distance to 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, for exam-ple, wet snow or rain.
Resuming the set speedIf ACC is in standby mode, it can be reactivated 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 con- siderably 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 cannot be resumed by pressing (1)
.
Related information
• Adaptive Cruise Control – introduction (p. 176)
DRIVER SUPPORT
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191
Distance Alert – introduction
Distance Alert is part of Adaptive Cruise Control and is a function that provides information aboutthe time interval to the vehicle ahead.
IntroductionDistance Alert is active at speeds above approxi- mately 18 mph (30 km/h). Time interval informa-tion is only given for a vehicle that is drivingahead of your vehicle in the same direction. Noinformation is provided for vehicles driving towardyou, moving very slowly, or at a standstill.
Amber warning light 3
.
An amber warning light in the windshield glows steadily if your vehicle is closer to the one aheadthan the set time interval.
NOTE
Distance Alert only monitors distance to the vehicle ahead while Adaptive Cruise Control isin standby mode or off.
WARNING
Distance Alert only indicates the distance to the vehicle ahead. It does not affect thespeed of your vehicle.
Related information
• Distance Alert – operation (p. 191)
• Distance Alert – limitations (p. 192)
• Distance Alert – symbols and messages (p. 194)
Distance Alert – operation
Distance Alert is part of Adaptive Cruise Control and is a function that provides information aboutthe time interval to the vehicle ahead.
Press the button in the center instrument panel to switch this function on or off. The indicatorlight in the button illuminates when the functionis on. Depending on the optional equipment selected, there may not be room for a Distance Alert but-ton in the center console. In this case, the func-tion is controlled through the menu system. Press MY CAR and go to
SettingsCar settings
Distance alertOn/Off.
3
The illustration is generic; certain details may vary from model to model
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200
City Safety – symbols and messages
Symbols and messages in the display
When City Safety™ automatically applies the
brakes, one or more of the symbols in the main instrument panel may illuminate and its associ- ated message will be displayed. A text message can be erased by pressing briefly on the
OK button on the turn signal lever.
SymbolMessageMeaning/action required
Auto braking by City SafetyCity Safety ™ is applying/has applied the brakes automatically.
Windscreen Sensors blockedThe laser sensor is temporarily not functioning due to an obstruction.
• Remove the obstruction and/or clean the windshield in front of the sensor(s).
For more information on the sensor
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219
Driver Alert Control (DAC) – symbols and messages Depending on the situation, DAC may display certain symbols and text messages in the instru-ment 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 wind- shield in front of the camera. See The camera
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222
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 in the but-ton illuminates when the function is on. This issupplemented by graphic displays in the instru-ment panel, for example:
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 marker lines.
• The LDW symbol has
gray side marker lines:
– the function is active but cannot "see" oneor both of the road's side marker lines.
or
• The LDW symbol has
gray side marker lines:
– the function is in standby mode becausethe vehicle's speed is below 40 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 alarmwill be given if a marker line is between thewheels.
SettingsSettings for Lane Departure Warning can be made in the menu system by pressing My Car.
Go to
SettingsCar settingsDriver
support systems
Lane 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 was switchedoff.
•
Increased sensitivity: This selection increa-
ses the function