Driving and Driving Safety
149
Auto Start Stop function
The engine stops automatically when the vehicle is
stopped, e.g. at traffic lights or in a traffic jam, if
all the preconditions for stopping the engine
automatically are met. The engine can also stop
automatically
during a stop at walking pace. The Auto Start Stop
function thus helps to save fuel.
The ignition stays on even when the engine
switches off automatically. All safety functions are
still available.
Preconditions for stopping the engine
automatically
– Auto Start Stop function switched on.
– Engine compartment lid closed.
– Brake pedal pressed
– Move PDK selector lever to the
D
,
N
or
P
position, or to a manually selected
transmission range
1
or
2
.
– Engine, transmission and air conditioning are
at operating temperature.
– Battery has reached its target voltage.
– Vehicle was driven at a speed of more than
approx. 1 mph (2 km/h) for at least
1.5 seconds since the engine last stopped
automatically.
Information
When the ignition is on, the battery is discharged.
If the vehicle is parked for an extended period, the
battery can discharge fully and be damaged
(exhaustive discharge).
Stopping the engine
The Auto Start Stop function stops the engine
once the vehicle stops moving or during the
stopping process.
1.
Use the footbrake to stop the vehicle.
2.
Keep the footbrake pressed.
or
Move PDK selector lever to position
P
.
Information
– The engine can also be stopped subsequently
(not immediately after the vehicle comes to a
stop) if the exceptions are set aside and the
preconditions for stopping the engine
automatically continue to be met.
f
Please see the chapter “EXCEPTIONS FOR
THE AUTO START STOP FUNCTION”
on page 150.
– When adaptive cruise control is switched on,
the engine stops automatically when the
vehicle is stationary if the vehicle in front also
comes to a stop.
Starting the engine
The Auto Start Stop function starts the engine:
f
In PDK selector-lever position
D
,
N
or manually
selected transmission range
1
or
2:
Release the footbrake.
or
Press the accelerator.
or
Move the steering wheel.
or
Move PDK selector lever to position
R
.
You can drive off normally.
Information
When adaptive cruise control is switched on, the
engine starts automatically if the following
preconditions are met:
– The vehicle in front drives off.
or
The accelerator is pressed.
or
Speed and distance control is resumed using
the control stalk (position
4, RESUME
).
f
Please see the chapter “INTERRUPTING AND
RESUMING CRUISE CONTROL AND DISTANCE
CONTROL” on page 164.
– Switching off adaptive cruise control starts the
engine automatically and the vehicle moves
(crawls) when in gear.
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Summary of Contents for 911 Turbo 2014
Page 1: ...911 Turbo Owner s Manual...
