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Instruments and controls113Notice
The vehicle location always remains
accessible to OnStar in the case of
an emergency.
Find the privacy policy in your
account.
Software updates
OnStar may remotely carry out
software updates without further
notice or consent. These updates are
to enhance or maintain safety and
security or the operation of the
vehicle.
These updates may concern privacy
issues. Find the privacy policy in your account.
ERA GLONASS
ERA GLONASS is a manually or
automatically actuated emergency
service. Emergency centres provide
assistance and information during an
emergency.
In case of an accident with activation
of airbags or belt tensioners, an
emergency call is placed
automatically. An immediateconnection with an advisor will be
established who will check whether
help is needed.9 Danger
The service is only available for
markets where it is legally required and activated. Furthermore, the
manual and the automatic
emergency call function depend
on the availability of the
emergency centres and the
infrastructure in the country.
Notice
In order to be available and
operational, the system requires
functioning vehicle electrics, mobile
service and GLONASS satellite link.
Depending on equipment, a backup
battery is used.
Control buttons
SOS button K
Press K and after a prompt press
again to establish an emergency
connection.
TECT button J
Press J for cancellation of a call or for
service (technician use only).
Status LED
The system provides feedback via
voice messages and an LED.
Page 128 of 249

126Climate controlClimate controlClimate control systems.............126
Heating and ventilation system 126
Air conditioning system ...........127
Electronic climate control system .................................... 128
Auxiliary heater ........................130
Air vents ..................................... 131
Adjustable air vents .................131
Fixed air vents ......................... 131
Maintenance .............................. 131
Air intake ................................. 131
Pollen filter ............................... 131
Air conditioning regular
operation ................................ 132
Service .................................... 132Climate control systems
Heating and ventilation system
Controls for: ● air distribution
● temperature
● fan speed
● demisting and defrosting
Heated rear window Ü 3 35.
Temperature
red:warmblue:coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head areaK:to foot well and windscreen
Combination settings are possible.
Fan speed
Adjust the air flow by switching the fan
to the desired speed.
Demisting and defrosting ● Press V: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature control to warmest level.
● Switch on heated rear window Ü.
● Open side air vents as required and direct them towards the doorwindows.
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Climate control127Air conditioning system
In addition to the heating and
ventilation system, the air
conditioning system has controls for:
n:cooling4:air recirculation
Cooling n
Press n 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 n again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
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. Activated cooling
may inhibit Autostops.
Stop-start system 3 138.
Air recirculation system 4
Press 4 to activate air recirculation
mode. The LED in the button illuminates to indicate activation.
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 vehicle
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 cooling n.
● Air recirculation system 4 on.
● Press air distribution switch M.
● Set temperature control to coldest level.
● Set fan speed to highest level.
● Open all vents.
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128Climate controlDemisting and defrosting the
windows V
● Press V: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature control to warmest level.
● Switch on heated rear window Ü.
● Open side air vents as required and direct them towards the doorwindows.
Notice
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If l is pressed with the fan switched
on and the engine running, an
Autostop will be inhibited until l is
pressed again or until the fan is
switched off.If V is pressed while the engine is
in an Autostop, the engine will restart automatically.
If l is pressed with the fan switched
on while the engine is in an
Autostop, the engine will restart
automatically.
Stop-start system 3 138.
Electronic climate control
systemControls for: ● air distribution
● temperature
● fan speedAUTO:automatic mode4:manual air recirculationV:demisting and defrosting
Heated rear window Ü 3 35.
The preselected temperature is
automatically regulated. In automatic
mode, the fan speed and air
distribution automatically regulate the
air flow.
The system can be manually adapted via the use of air distribution and air
flow controls.
Each change of settings is shown in
the Info-Display for a few seconds.
The electronic climate control system
is only fully operational when the
engine is running.
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Climate control129Automatic mode AUTOBasic setting for maximum comfort: ● Press AUTO: the air distribution
and fan speed are regulated
automatically.
● Open all air vents.
● Press n to switch on cooling.
● Set the desired temperature.
Temperature preselection
Temperatures can be set to the
desired value.
If the minimum temperature is set, the climate control system runs at
maximum cooling.
If the maximum temperature is set,
the climate control system runs at
maximum heating.
Notice
If the temperature is to be reduced for climate comfort reasons, an
Autostop may be inhibited or the
engine will restart automatically
when cooling is switched on.
Stop-start system 3 138.The temperature can be adjusted
separately for driver and front
passenger side.
Demisting and defrosting the
windows V
● Press V.
● Temperature and air distribution are set automatically and the fan
runs at high speed.
● Switch on heated rear window Ü.
● To return to previous mode: press V, to return to automatic
mode: press AUTO.
Notice
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If l is pressed with the fan switched
on and the engine running, an
Autostop will be inhibited until l is
pressed again or until the fan is
switched off.If V is pressed while the engine is
in an Autostop, the engine will restart automatically.
If l is pressed with the fan switched
on while the engine is in an
Autostop, the engine will restart
automatically.
Stop-start system 3 138.
Manual settings
Climate control system settings can be changed by activating the buttons
and rotary knobs as follows.
Changing a setting will deactivate the automatic mode.
Fan speed Z
The selected fan speed is indicated
with x and a number in the display. If
the fan is switched off, the air
conditioning is also deactivated.
To return to automatic mode: Press AUTO .
Air distribution l, M , K
Press appropriate button for desired
adjustment. The LED in the button
illuminates to indicate activation.
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130Climate controll:to windscreen and front door
windows (air conditioning is
activated in the background to
help prevent windows from
fogging)M:to head areaK:to foot well and windscreen
Combination of settings are possible.
Return to automatic air distribution:
Deactivate corresponding setting or
press AUTO .
Cooling n
Press n 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 n 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. Activated cooling
may inhibit an Autostop.
Stop-start system 3 138.
Eco appears in the display when
cooling is deactivated.
Air recirculation mode 4
Press 4 once to activate the
manual 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 vehicle
occupants to feel drowsy.
Air conditioning with the engine
not running
When ignition is off, the residual heat
or cooling in the system can be used for climate control in passenger
compartment.
Auxiliary heater
Air heater Quickheat is an electric auxiliary air
heater which automatically warms up
the passenger compartment more
quickly.
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Climate control131Air vents
Adjustable air vents At least one air vent must be open
while the cooling is on.
To open the vent, turn the adjuster
wheel to the right. Adjust the air
amount at the vent outlet by turning
the adjuster wheel.
Direct the flow of air by tilting and
swivelling the slats.
To close the vent, turn the adjuster
wheel to the left.
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.
Pollen filter
The pollen filter cleans dust, soot,
pollen and spores from the air
entering the vehicle through the air
intake.
Page 134 of 249
132Climate controlAir conditioning regularoperation
In order to ensure continuously
efficient performance, cooling must
be operated for a few minutes once a
month, irrespective of the weather
and time of year. Operation with
cooling is not possible when the
outside temperature is too low.
Service For optimal cooling performance, it is recommended to annually check the
climate control system, starting
three years after initial vehicle
registration, including:
● functionality and pressure test
● heating functionality
● leakage check
● check of drive belts
● cleaning of condenser and evaporator drainage
● performance check
Notice
Refrigerant R-134a contains
fluorinated greenhouse gases.