Opel ASTRA Owner's Manual page 163

An Autostop, both conventional and
early, can be activated at a standstill
or at a low speed up to 14 km/h.
Activate an early Autostop as follows:
● Depress the brake pedal.
● Depress the clutch pedal.
The engine will be switched off while
the ignition stays on.
Vehicles with automatic transmission
or manual transmission automated
If the vehicle is at a standstill with
depressed brake pedal, Autostop is
activated automatically.
The engine will be switched off while
the ignition stays on.
The stop-start system will be disabled
on inclines of 15% or more.
Indication
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
After restart, the idle speed is
indicated.
During an Autostop, the heating and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
● The stop-start system is not
manually deactivated.
● The bonnet is fully closed.
Driving and operating
● 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 3 145.
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