Opel ASTRA K 2015 Owner's Manual page 161

● 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 brake vacuum is sufficient.
● Between the last restart and a
new Autostop must be about
10 seconds.
● The self-cleaning function of the
exhaust filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.
The stop-start system will be
deactivated on inclines of 12% or
more.
Certain settings of the climate control
system may inhibit an Autostop. See
Climate control chapter for more
details 3 141.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 152.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
Power saving measures
During an Autostop, several electrical
features e.g. auxiliary electric heater
or heated rear window are disabled or
switched to a power saving mode.
The fan speed of the climate control
system is reduced to save power.
Restart of the engine by the driver
Vehicles with manual transmission
Depending on the engine, two
versions of a restart are available.
See engine data to identify the engine
identifier code for your vehicle
3 280.
Driving and operating
Conventional restart
Depress the clutch pedal to restart the
engine. For engines with late restart,
this is only possible without
depressing the brake pedal.
Late restart
● Depress the brake pedal.
● Depress the clutch pedal.
● Select first gear.
● Release the brake pedal to
restart the engine.
Vehicles with automatic transmission:
Release the brake pedal or move
selector lever out of D into N or P to
restart the engine.
Restart of the engine by the stop-
start system
On vehicles with manual transmission
which are in a conventional Autostop,
the selector lever must be in neutral
to enable an automatic restart.
On vehicles with manual transmission
which are in an early Autostop, an
automatic restart is possible, when
not in neutral if the brake pedal and
the clutch pedal are depressed.
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