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102Instruments and controlsVehicle messagesMessages are indicated in the Driver
Information Centre, in some cases
together with a warning and signal
chime.
Press SET/CLR on the turn signal
lever to confirm a message.
Vehicle and service messages The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages in the
Colour-Info-Display
Some important messages may
appear additionally in the
Info-Display. Some messages only
pop-up for a few seconds.
Warning chimes When starting the engine or whilst
driving
Only one warning chime will sound at a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If a seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If cruise control deactivates automatically.
● If a programmed speed or speed
limit is exceeded.● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the diesel particle filter has reached the maximum filling
level.
When the vehicle is parked and/or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
● If any condition for an autostart is
not fulfilled.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
Page 108 of 257

106Instruments and controlsGuide-me-home lighting:
Activates or deactivates the
function and adjusts its duration.
● Comfort
Mood lighting : Adjusts the
brightness of the ambient
lighting.
Rear wiper in reverse : Activates
or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.
● Vehicle access
Door unlock: boot only : Activates
or deactivates unlocking the
tailgate only when pressing T
on the remote control.
Door unlock: driver only :
Changes the configuration to unlock the driver's door only or all
doors when pressing O on the
remote control.
● Safety
Driver attention warning :
Activates or deactivates the
driver drowsiness system.Driving functions
Press Í.
Select Driving functions .
In the corresponding submenus the
following settings can be changed:
● Park Assist : Activates advanced
park assist, a parking maneuver can be selected.
● Blind Spot Sensors : Activates or
deactivates side blind spot alert.
● Panoramic view system :
Activation/deactivation of the
function.
Telematics service
OnStar
OnStar is a personal connectivity and service assistant with integrated
Wi-Fi hotspot. The OnStar service is
available 24 hours a day, seven days
a week.
Note
OnStar is not available for all
markets. For further information,
contact your workshop.
Note
In order to be available and
operational, OnStar needs a valid
OnStar subscription, functioning
vehicle electrics, ignition on, mobile
service and GPS satellite link.
To activate the OnStar services and
set up an account, press Z and speak
with an advisor.
Page 113 of 257

Lighting111LightingExterior lighting.......................... 111
Light switch .............................. 111
Automatic light control .............112
High beam ............................... 112
Headlight flash ......................... 112
Headlight range adjustment ....113
Daytime running lights .............113
Adaptive forward lighting .........113
Hazard warning flashers ..........114
Turn and lane-change signals . 115
Front fog lights ......................... 115
Rear fog light ........................... 116
Parking lights ........................... 116
Reversing lights .......................116
Misted light covers ...................116
Interior lighting ........................... 117
Instrument panel illumination control ..................................... 117
Interior lights ............................ 117
Reading lights .......................... 117
Sunvisor lights ......................... 118
Lighting features ........................118
Centre console lighting ............118
Entry lighting ............................ 118Exit lighting.............................. 118
Battery discharge protection ....119Exterior lighting
Light switch
Turn light switch:
AUTO:automatic light control
switches automatically
between daytime running
light and headlight8:sidelights9:headlights
Control indicator 8 3 95.
Tail lights Tail lights are illuminated together
with low/high beam and sidelights.
Page 116 of 257

114LightingIt switches automatically to low beam
when:
● The camera or a sensor in the windscreen detects the lights of
oncoming or preceding vehicles.
● The vehicle speed drops below 15 km/h.
● It is foggy or snowy.
● Driving in urban areas.
If there are no restrictions detected,
the system switches back to high
beam.
ActivationActivate this function pressing a
button on the turn and lane change
lever. The LED of the button
illuminates if the high beam assist is activated. The high beam is switched on automatically at a speed above
25 km/h.
The green control indicator f
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator f 3 95.
Deactivation
Deactivate this function pressing a button on the turn and lane change
lever.
If a headlight flash is activated when
the high beam assist is activated and
low beam is on, the high beam assist will be deactivated. The system
changes to high beam.
If a headlight flash is activated when
the high beam assist is activated and
high beam is on, the high beam assist will be deactivated. The system
changes to low beam.
To reactivate the high beam assist,
flash the headlights again.Automatic headlight levelling
To prevent oncoming traffic from
being dazzled, headlight levelling is
automatically adjusted based on the
load in the vehicle.
Fault in Adaptive forward lighting- LED system
When the system detects a failure in
the Adaptive forward lighting-LED
headlight system, a warning is
displayed in the Driver Information Centre.
Hazard warning flashers
Operated by pressing ¨.
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Lighting115When braking in an emergency, the
hazard warning flashers are switched
on automatically depending on the
force of deceleration. They are
switched off automatically the first
time you accelerate if you press ¨.
Turn and lane-change signalslever up:right turn signallever down:left turn signal
A resistance point can be felt bymoving the lever.
Move the lever past the resistance
point to switch on constantly. When
the steering wheel moves opposite,
the turn signal is automatically
deactivated. Switch off manually by
moving the lever to its original
position.
Tap shortly to switch on for three
flashes, e.g., when changing lanes.
Move the lever to the resistance point
and hold for flashing until lever is
released.
If you forget to cancel the turn and
lane-change signals for more than
twenty seconds, the volume of the
audible signal will increase if the
speed is above 60 km/h.Front fog lights
Operated by pressing >.
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Page 125 of 257

Climate control123● Switch on heatedwindscreen ,.
● Open side air vents as required and direct them towards the doorwindows.
Note
If à is pressed while the engine is
running, an Autostop will be inhibited
until à is pressed again.
If à is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 138.
Air recirculation system 4Press 4 to activate air recirculation
mode, LED is indicated.
Select air recirculation to assist in
cooling the interior or in blocking
outside odours or exhaust.
Press 4 again to deactivate air
recirculation mode.9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling, the
air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the occupants to
feel drowsy.
In warm and very humid ambient air
conditions, the windscreen may mist
up from outside when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate l.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on air conditioning A/C.
● Press 4 for air recirculation
system on.
● Press M for air distribution.
● Set temperature control £ to
coldest level.
● Set fan speed Z to highest level.
● Open all vents.
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Climate control127Air conditioning A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and climate control fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) when outside
temperature is above a specific level. Therefore condensation may form
and drip from under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Manual air recirculation 4
Press 4 to activate the air
recirculation mode. The LED in the
button illuminates to indicate
activation.
Press 4 again to deactivate
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling, the
air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the occupants to
feel drowsy.
In warm and very humid ambient air
conditions, the windscreen may mist
up from outside, when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate l.
Page 132 of 257
130Climate controlAir vent in the glovebox
The air vent can be opened or closedby turning.
At least two air vents must be open
while cooling is on.
9 Warning
Do not attach any objects to the
slats of the air vents. Risk of
damage and injury in case of an
accident.
Fixed air vents
Additional air vents are located
beneath the windscreen and door windows and in the foot wells.Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Cabin air filter
Change filter regulary for maximum
effect.
More frequent passenger
compartment air filter replacement
may be needed, if you drive in areas
with heavy traffic, poor air quality,