Opel Astra GTC (2018 year). Instruction — part 9
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134
Climate control
If the minimum temperature Lo is set,
the climate control system runs at
maximum cooling, if cooling n is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Note
If n is switched on, reducing the set
cabin temperature can cause the
engine to restart from an Autostop or
inhibit an Autostop.
Stop-start system 3 142.
Demisting and defrosting the
windows V
● Press V. The LED in the button
illuminates to indicate activation.
● 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.
Setting of automatic rear window
heating can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 105.
Note
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If s is pressed with the fan switched
on and the engine running, an
Autostop will be inhibited until s 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 s is pressed with the fan switched
on while the engine is in an
Autostop, the engine will restart
automatically.
Instruction 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.
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Climate control
135
Fan speed Z
Press lower button to decrease or
upper button to increase fan speed.
The fan speed is indicated by the
number of segments in the display.
Pressing the lower button for longer:
fan and cooling are switched off.
Pressing the upper button for longer:
the fan runs at maximum speed.
To return to automatic mode: Press
AUTO.
Air distribution s, M, K
Press appropriate button for desired
adjustment. The LED in the button
illuminates to indicate activation.
s
: to windscreen and front door
windows (air conditioning is
activated in the background to
help preventing windows from
fogging)
M
: to head area via adjustable air
vents
K
: to foot well and windscreen
All combinations are possible.
Return to automatic air distribution:
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. When the cooling
system is switched off, no engine
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136
Climate control
restart will be requested by the
climate control system during an
Autostop. Exception: defrost system
is activated and outside temperature
above 0 °C.
The display will indicate ACON when
cooling is activated or ACOFF when
the cooling is deactivated.
Activation or deactivation of cooling
operation after engine start can be
changed in the Settings menu in the
Info-Display. Vehicle personalisation
105.
Stop-start system 3 142.
Air recirculation mode 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 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 s.
Basic settings
Some settings can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 105.
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 control
137
Air 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 towards the bigger W symbol.
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 towards the smaller W symbol.
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.
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138
Climate control
Air conditioning regular
operation
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
Note
Refrigerant R-134a contains
fluorinated greenhouse gases.
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Driving and operating
139
Driving and
operating
Driving hints . . . . . . . ... 140
Control of the vehicle . . . ... 140
Steering . . . . . . . . ... 140
Starting and operating . . . ... 140
New vehicle running-in . . . 140
Ignition switch positions . . ... 141
Retained power off . . . . .. 141
Starting the engine . . . . .. 141
Overrun cut-off . . . . . . 142
Stop-start system . . . . . 142
Parking . . . . . . . . . 144
Engine exhaust . . . . . . .. 145
Diesel particle filter . . . . .. 146
Catalytic converter . . . . ... 147
Automatic transmission . . . .. 147
Transmission display . . . ... 147
Selector lever . . . . . . .. 148
Instruction mode . . . . . . ... 149
Electronic driving programmes 149
Fault . . . . . . . . . . 150
Interruption of power supply . 150
Instruction transmission . . . . .. 151
Brakes . . . . . . . . . . 152
Antilock brake system . . . . 152
Parking brake . . . . . . .. 153
Brake assist . . . . . . . . 154
Hill start assist . . . . . . . 154
Ride control systems . . . . . 155
Traction Control system . . .. 155
Electronic Stability Control . .. 155
Interactive driving system . . 157
Driver assistance systems . . . 159
Cruise control . . . . . . .. 159
Speed limiter . . . . . . ... 161
Adaptive cruise control . . . 162
Forward collision alert . . . . 169
Following distance indication ... 172
Active Emergency Braking . .. 173
Parking assist . . . . . . .. 175
Side blind spot alert . . . . . 182
Traffic sign assistant . . . . 183
Lane departure warning . . .. 187
Fuel . . . . . . . . . . . 188
Fuel for petrol engines . . . . 188
Fuel for diesel engines . . . 189
Fuel for liquid gas operation . 190
Refuelling . . . . . . . . 190
Fuel consumption - CO
2
-
Emissions . . . . . . . ... 193
Trailer hitch . . . . . . . . 194
General information . . . . . 194
Driving characteristics and
towing tips . . . . . . . .. 194
Trailer towing . . . . . . ... 195
Towing equipment . . . . ... 195
Trailer stability assist . . . ... 198
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140
Driving and operating
Driving hints
Control of the vehicle
Never coast with engine not
running (except during Autostop)
Many systems will not function in this
situation (e.g. brake servo unit, power
steering). Driving in this manner is a
danger to yourself and others. All
systems function during an Autostop,
but there will be a controlled reduction
in power steering assist and vehicle
speed is reduced.
Stop-start system 3 142.
Idle boost
If charging of the vehicle battery is
required due to battery condition, the
power output of the generator must
be increased. This will be achieved by
an idle boost which may be audible.
A message is displayed in the Driver
Information Centre.
Pedals
To ensure the pedal travel is
uninhibited, there must be no mats in
the area of the pedals.
Use only floor mats which fit properly
and are fixed by the retainers on the
driver's side.
Steering
If power steering assist is lost
because the engine stops or due to a
system malfunction, the vehicle can
be steered but may require increased
effort.
Control indicator c 3 89.
Caution
Vehicles equipped with hydraulic
power steering:
If the steering wheel is turned until
it reaches the end of its travel, and
is held in that position for more
than 15 seconds, damage may
occur to the power steering
system and there may be loss of
power steering assist.
Starting and operating
New vehicle running-in
Do not brake unnecessarily hard for
the first few journeys.
During the first drive, smoke may
occur because of wax and oil
evaporating off the exhaust system.
Park the vehicle in the open for a
while after the first drive and avoid
inhaling the fumes.
During the running-in period fuel and
engine oil consumption may be
higher and the cleaning process of
the diesel particle filter may take
place more often. Autostop may be
inhibited to allow for charging the
battery.
Diesel particle filter 3 146.
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Driving and operating
141
Ignition switch positions
0 : ignition off
1 : steering wheel lock released,
ignition off
2 : ignition on, for diesel engine:
preheating
3 : starting
Retained power off
The following electronic systems can
work until the driver's door is opened
or at the latest for ten minutes after
the ignition is switched off:
● power windows
● sunroof
● power outlets
Power to the Infotainment system will
continue to operate for 30 minutes or
until the key is removed from the
ignition switch, regardless of whether
any door will be opened.
Starting the engine
Instruction transmission: operate clutch.
Automatic transmission: operate
brake and move the selector lever to
P or N.
Do not operate the accelerator pedal.
Diesel engine: turn the key to position
2 for preheating until control
indicator ! extinguishes.
Turn the key briefly to position 3 and
release: an automatic procedure
operates the starter with a short delay
as long as the engine is running, see
Automatic Starter Control.
Before restarting or to switch off the
engine, turn the key back to position
0.
During an Autostop, the engine can
be started by depressing the clutch
pedal.
Starting the vehicle at low
temperatures
Starting the engine without additional
heaters is possible down to -25 °С for
diesel engines and -30 °C for petrol
engines. Required is an engine oil
with the correct viscosity, the correct
fuel, performed services and a
sufficiently charged vehicle battery.
With temperatures below -30 °C the
automatic transmission needs a
warming phase of approx. five
minutes. The selector lever must be
in position P.
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142
Driving and operating
Automatic Starter Control
This function controls the engine
starting procedure. The driver does
not need to hold the key in position 3.
Once applied, the system will go on
starting automatically until the engine
is running. Because of the checking
procedure, the engine starts running
after a short delay.
Possible reasons for a non-starting
engine:
● Clutch pedal not operated
(instruction transmission).
● Brake pedal not operated or
selector lever not in P or N
(automatic transmission).
● Timeout occurred.
Turbo engine warm-up
Upon start-up, engine available
torque may be limited for a short time,
especially when the engine
temperature is cold. The limitation is
to allow the lubrication system to fully
protect the engine.
Overrun cut-off
The fuel supply is automatically cut off
during overrun, i.e. when the vehicle
is driven with a gear engaged but
accelerator pedal is released.
Depending on driving conditions, the
overrun cut-off may be deactivated.
Stop-start system
The stop-start system helps to save
fuel and to reduce the exhaust
emissions. When conditions allow, it
switches off the engine as soon as the
vehicle is at a low speed or at a
standstill, e.g. at a traffic light or in a
traffic jam. It starts the engine
automatically as soon as the clutch is
depressed. A battery sensor ensures
that an Autostop is only performed if
the vehicle battery is sufficiently
charged for a restart.
Activation
The stop-start system is available as
soon as the engine is started, the
vehicle starts-off and the conditions
as stated below in this section are
fulfilled.
Deactivation
Deactivate the stop-start system
instructionly by pressing eco. The
deactivation is indicated when the
LED in the button extinguishes.
Autostop
If the vehicle is at a low speed or at a
standstill, activate an Autostop as
follows:
● Depress the clutch pedal.
● Move the selector lever to
neutral.
● Release the clutch pedal.
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Driving and operating
143
The engine will be switched off while
the ignition stays on.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
During an Autostop, the heating and
brake performance will be
maintained.
Caution
The power steering assist may be
reduced during an Autostop.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled:
● The stop-start system is not
instructionly deactivated.
● The bonnet is fully closed.
● The driver's door is closed or the
driver's seat belt is fastened.
● The vehicle battery is sufficiently
charged and in good condition.
● The engine is warmed-up.
● The engine coolant temperature
is not too high.
● The engine exhaust temperature
is not too high, e.g. after driving
with high engine load.
● The ambient temperature is
above -5 °C.
● The climate control system
allows an Autostop.
● The brake vacuum is sufficient.
● The self-cleaning function of the
diesel particle filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.
Certain settings of the climate control
system may inhibit an Autostop. See
"Climate control" chapter for more
details 3 132.
Immediately after motorway driving,
an Autostop may be inhibited.
New vehicle running-in 3 140.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several battery discharge protection
features are implemented as part of
the stop-start system.
Power saving measures
During an Autostop, several electric
features, e.g. auxiliary electric heater
or heated rear window are disabled or
switched into a power saving mode.
The fan speed of the climate control
system is reduced to save power.
Restart of the engine by the driver
Depress the clutch pedal to restart the
engine.
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144
Driving and operating
The engine start is indicated by the
needle at the idle speed position in
the tachometer.
If the selector lever is shifted out of
neutral before depressing the clutch
first, control indicator - illuminates
or is shown as a symbol in the Driver
Information Centre.
Control indicator - 3 88.
Restart of the engine by the stop-
start system
The selector lever must be in neutral
to enable an automatic restart.
If one of the following conditions
occurs during an Autostop, the
engine will be restarted automatically
by the stop-start system:
● The stop-start system is
instructionly deactivated.
● The bonnet is opened.
● The driver's seat belt is
unfastened and the driver's door
is opened.
● The engine temperature is too
low.
● The charging level of the vehicle
battery is below a defined level.
● The brake vacuum is not
sufficient.
● The vehicle is driven at least at
walking speed.
● The climate control system
requests an engine start.
● The air conditioning is instructionly
switched on.
If the bonnet is not fully closed, a
warning message is displayed in the
Driver Information Centre.
If an electric accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop
during restart might be noticeable.
Parking
9 Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply the parking
brake. Activate the instruction
parking brake without pressing
the release button. Apply as
firmly as possible on a downhill
slope or uphill slope. Depress
brake pedal at the same time to
reduce operating force.
For vehicles with electric
parking brake, pull switch m for
approx. one second.
The electric parking brake is
applied when control indicator
m
● Switch off the engine.
● If the vehicle is on a level
surface or uphill slope, engage
first gear or set the selector
lever to position P before
removing the ignition key. On
an uphill slope, turn the front
wheels away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position
P before removing the ignition
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Driving and operating
145
key. Turn the front wheels
towards the kerb.
● Close the windows and the
sunroof.
● Remove the ignition key from
the ignition switch. Turn the
steering wheel until the
steering wheel lock is felt to
engage.
For vehicles with automatic
transmission, the key can only
be removed when the selector
lever is in position P.
● Lock the vehicle.
● Activate the anti-theft alarm
system.
● The engine cooling fans may run
after the engine has been
Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low
load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Note
In the event of an accident with
airbag deployment, the engine is
turned off automatically if the vehicle
comes to a standstill within a certain
time.
Engine exhaust
9 Danger
Engine exhaust gases contain
poisonous carbon monoxide,
which is colourless and odourless
and could be fatal if inhaled.
If exhaust gases enter the interior
of the vehicle, open the windows.
Have the cause of the fault
rectified by a workshop.
Avoid driving with an open load
compartment, otherwise exhaust
gases could enter the vehicle.
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146
Driving and operating
Diesel particle filter
Automatic cleaning process
The diesel particle filter system filters
harmful soot particles out of the
exhaust gases. The system includes
a self-cleaning function that runs
automatically during driving without
any notification. The filter is cleaned
by periodically burning off the soot
particles at high temperature. This
process takes place automatically
under set driving conditions and may
take up to 25 minutes. Typically it
needs between seven and twelve
minutes. Autostop is not available
and fuel consumption may be higher
during this period. The emission of
smells and smoke during this process
is normal.
System requires cleaning
Under certain conditions, e.g. driving
short distances, the system cannot
clean itself automatically.
If cleaning of the filter is required and
if previous driving conditions did not
enable automatic cleaning, it will be
indicated by illumination of % and a
warning message in the Driver
Information Centre.
%
illuminates along with a warning
message when diesel particle filter is
full. Start cleaning process as soon as
possible.
%
flashes along with a warning
message when diesel particle filter
has reached the maximum filling
level. Start cleaning process
immediately to avoid damage to the
engine.
Activate self-cleaning process
To activate cleaning process,
continue driving, keep engine speed
above 2000 rpm. Shift down if
necessary. Diesel particle filter
cleaning is then started.
Cleaning process is completed more
quickly at high engine speeds and
loads.
Control indicator % extinguishes as
soon as the self-cleaning operation is
complete. Keep on driving until self-
cleaning operation is complete.
Caution
If possible, do not interrupt
cleaning process. Drive until
cleaning is completed to avoid the
need for service or repair by a
workshop.
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Driving and operating
147
Cleaning process not possible
If cleaning is not possible for any
reason, control indicator g
illuminates additionally. Engine
power may be reduced. Seek the
assistance of a workshop
immediately.
Catalytic converter
The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.
Caution
Fuel grades other than those listed
damage the catalytic converter or
electronic components.
Unburnt petrol will overheat and
damage the catalytic converter.
Therefore avoid excessive use of
the starter, running the fuel tank
dry and starting the engine by
pushing or towing.
In the event of misfiring, uneven
engine running, a reduction in engine
performance or other unusual
problems, have the cause of the fault
rectified by a workshop as soon as
possible. In an emergency, driving
can be continued for a short period,
keeping vehicle speed and engine
speed low.
Automatic transmission
The automatic transmission permits
automatic gearshifting (automatic
mode) or manual gearshifting
(manual mode).
Manual shifting is possible in manual
mode by tapping the selector lever
Transmission display
The mode or selected gear is shown
in the transmission display.
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148
Driving and operating
In automatic mode, the driving
programme is indicated by D in the
Driver Information Centre.
R indicates reverse gear.
N indicates neutral position.
P indicates park position.
Midlevel display: in manual mode the
number of the selected gear is
indicated.
Uplevel display: in manual mode, M
and the number of the selected gear
is indicated.
Selector lever
P : park position, press release
button, wheels are locked,
engage only when the vehicle is
stationary and parking brake is
applied
R : reverse gear, press release
button, engage only when
vehicle is stationary
N : neutral
D : automatic mode
M : manual mode: move selector
lever from D to the left.
<
: manual mode upshifting: move
selector lever in position M and
tap upwards
]
: manual mode downshifting:
move selector lever in position
M and tap rearwards
The selector lever is locked in P and
can only be moved when the ignition
is on and the brake pedal is applied.
Without brake pedal applied, the
control indicator j illuminates.
If the selector lever is not in P when
the ignition is switched off, the control
indicators j and P flash.
To engage P or R, press the release
button.
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Driving and operating
149
The engine can only be started with
the lever in position P or N. When
position N is selected, press the brake
pedal or apply the parking brake
before starting.
Do not accelerate while engaging a
gear. Never depress the accelerator
pedal and brake pedal at the same
time.
When a gear is engaged, the vehicle
slowly begins to creep when the
brake is released.
Engine braking
To utilise the engine braking effect,
select a lower gear in good time when
driving downhill, see manual mode.
Rocking the vehicle
Rocking the vehicle is only
permissible if the vehicle is stuck in
sand, mud or snow. Move the selector
lever between D and R in a repeat
pattern. Do not race the engine and
avoid sudden acceleration.
Parking
Apply the parking brake and engage
P.
The ignition key can only be removed
when the selector lever is in position
P.
Manual mode
Move selector lever out of position D
towards the left to select manual
mode M.
Tap selector lever
forwards < : shift to a higher gear
backwards ] : shift to a lower gear
The selected gear is indicated in the
instrument cluster.
If a higher gear is selected when
vehicle speed is too low, or a lower
gear when vehicle speed is too high,
the shift is not executed. This can
cause a message in the Driver
Information Centre.
In manual mode, no automatic
shifting to a higher gear takes place
at high engine revolutions.
Electronic driving
programmes
● Following a cold start, the
operating temperature
programme increases engine
speed to quickly bring the
catalytic converter to the required
temperature.
● The automatic neutral shift
function automatically shifts to
idling when the vehicle is stopped
with a forward gear engaged and
the brake pedal is pressed.
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