Page 225 of 398
DRIVER SUPPORT
223
Driver Alert SystemThe Driver Alert System is designed to help a driver who may be becoming fatigued or who isinadvertently leaving the lane.
IntroductionThe Driver Alert System consists of two different functions that can be switched on together orseparately.
• Driver Alert Control (DAC)
, see Driver Alert
Control (DAC) – introduction (p. 223)
• Lane Departure Warning (LDW)
, see Lane
Departure Warning (LDW) – introduction(p. 228)
When one or both of the functions has beenswitched 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 dependent on the road/lane being clearly marked by paintedlines on each side.
WARNING
The Driver Alert System does not function in all situations and is designed to be a supple-mentary aid. It is not, however, intended toreplace the driver
Page 226 of 398

DRIVER SUPPORT
224
Driver Alert Control (DAC) – operation
Operating DACSettings are made using menu system and the display in the center console. See My Car – intro-duction (p. 77) for more information on the menusystem.
On/Off
To put Driver Alert in standby mode:• In the
MY CAR menu, scroll to
Car settings
Driver support systemsDriver Alertand check the box. If the box is not checked, the function is off.
Related information
•Driver Alert Control (DAC) – introduction(p. 223)
• Driver Alert Control (DAC) – function(p. 224)
• Driver Alert Control (DAC) – limitations(p. 225)
• Driver Alert Control (DAC) – symbols andmessages (p. 226)
• Driver Alert Control (DAC) – introduction(p. 223)
• Lane Departure Warning (LDW) – introduc-tion (p. 228)
Driver Alert Control (DAC) – function
FunctionDriver Alert is activated when the vehicle exceeds a speed of 40 mph (65 km/h) and will remainactive as long as the speed is over approx.37 mph (60 km/h).
If the vehicle is being driven erratically,the driver will be alerted by an audible 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 the same. Press the OK button to erase a message.
WARNING
• An alert should be taken seriously since it is sometimes difficult for a driver to real-ize that he/she is fatigued.
• In the event of a warning or if the driverfeels fatigued, stop as soon as possible ina safe place and rest.
Related information
• Driver Alert Control (DAC) – introduction (p. 223)
• Driver Alert Control (DAC) – operation(p. 224)
• Driver Alert Control (DAC) – limitations(p. 225) •
Driver Alert Control (DAC) – symbols andmessages (p. 226)
• Driver Alert System (p. 223)
• Lane Departure Warning (LDW) – introduc-tion (p. 228)
Page 227 of 398
DRIVER SUPPORT
225
Driver Alert Control (DAC) – limitations
LimitationsIn certain situations, DAC may provide warnings even if the driver
Page 228 of 398
DRIVER SUPPORT
226
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
Page 229 of 398
DRIVER SUPPORT
227
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
Page 230 of 398
DRIVER SUPPORT
228
Lane Departure Warning (LDW) – introductionThe LDW function is designed to help reduce the risk of accidents in situations where the vehi-cle unintentionally leaves its lane and there is arisk of driving off the road or into the oppositelane.
Lane Departure Warning (LDW)
The illustration is generic
LDW uses the camera located at the center, upper edge of the windshield to monitor theroad's/lane
Page 231 of 398

DRIVER SUPPORT
229
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
Page 232 of 398
DRIVER SUPPORT
230
Lane Departure Warning (LDW) - limitations
LimitationsThe camera used by LDW has the same limita- tions as the human eye. See The camera