Driving and Driving Safety 169
Accelerating (e.g. to overtake)
Option 1
f Increase the speed as usual with the accelera-
tor.
When you ease off the accelerator, the
previously stored value is set again.
Option 2
f Push operating lever upwards into position 3
until the desired speed is reached.
The speed reached is maintained and stored
when the operating lever is released.
Option 3
f Push operating lever slightly upwards into
position 3 (a maximum of 10 times).
The speed is increased by 1 mph (2 km/h),
each time the lever is pushed upwards.
Note on operation
Cruise control operation is automatically interrup-
ted if the speed is increased by more than approx.
16 mph (25 km/h) for longer than 20 seconds.
Decelerating
Option 1
f Push operating lever down into position 4 until
the desired speed is reached.
The speed reached is maintained and stored
when the operating lever is released.
Option 2
f Push operating lever slightly downwards into
position 4 (a maximum of 10 times).
The speed is reduced by 1 mph (2 km/h), each
time the lever is pushed downwards.
Interrupting cruise control operation
The speed driven before the interruption remains
stored in the memory and can be reactivated by
operating the operating lever. Please see the
chapter “RESUMING THE STORED SPEED” on
Page 170.
f Push the operating lever forward to position 2
(it doesn’t engage) or
f Operate brake or clutch pedal or, on vehicles
with Tiptronic S, select position N.
f Please see the chapter “TIPTRONIC S” on
Page 172.
Cruise control operation is interrupted
automatically:
– If the set vehicle speed is exceeded by more
than approx. 16 mph (25 km/h) for longer than
20 seconds.
– If the actual vehicle speed falls by approx.
6 mph (10 km/h) below the set vehicle speed
for longer than 5 seconds (e.g. upward
slopes).
– If Porsche Stability Management (PSM)
intervenes for longer than 0.2 seconds.
– If Low Range is switched on.
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