Porsche Cayman User Handbook Manual page 41

Cayman | Drive
preselected in the second half
gearbox. During a gear change,
therefore, a conventional shift no
longer takes place. Instead, one
clutch simply opens and the other
closes at the same time. Gear
changes can therefore take place
within milliseconds.
Clutch 1 controls the first half
gearbox, which contains the
odd gears (1, 3, 5, 7) and reverse.
Clutch 2 controls the second,
which contains the even gears
(2, 4, 6).
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