911 shi

PORSCHE IS the first auto-
mobile manufacturer to posi-
tion manual gearshift con-
trols on the steering wheel,
eliminating the need to take
one hand off the wheel to
change gears.

The concept comes from
Formula One racing cars where it
has been used for several years by
teams such as Ferrari.

Porsche's new “hands-on”
Tiptronic S system utilizes two
rocker switches on the upper spokes
of the steering wheel. The driver
simply tilts the switch up with the
thumb to change up a gear, or'down
to change down a gear.

Porsche evaluated {1 designs for
the steering wheel switches, using
drivers of different anatomical pro-
portions before choosing a design
that would suit all drivers.

The Tiptronic gives the driver a
choice of choosing between auto-
matic or manual operation of a five-
speed gearbox.

In Tiptronic’s manual mode, the
driver pulls back on the floor-
mounted gear lever to change down

Pp

4 door sedan, cloth seats,
rear defroster & much more

AUTOMOTION

a gear, and pushes forward to
change up. A rev limiter and com-
puter program prevents the driver
from over-revving the engine by
downshifting too quickly.

The new Tiptronic S system
allows the driver to use the steering
wheel controls or the floor-mounted
shift lever. The primary advantage
of using shift buttons on the steer-

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ing wheel is that both hands can be
kept on the steering wheel while
Negotiating turns,

The Tiptronic S is one of the
most sophisticated aulonmtic irans-
missions available in any produc-
ion car. Five separate shift pro-
grams adapt shift points to suit the
driving style when in automatic
mode. Vehicle speed, lateral accel-
eration, engine speed, and throttle
input are constantly measured to
determine shift points. For exam-
ple, quickly pressing and releasing
the accelerator pedal activates
quicker shifts and holds the trans-
mission in gear fora longer period
of time.

In automatic mode, the Tiptronic
S suppresses upshifis during coast-
ing, providing improved engine
braking during deceleration and a
jower gear for resumed accelera-
lion, It also upshifts automatically
to improve traction and stability
when wheel-spin is detected. A new
feature for 1995 is the ubility to
trigger downshifts in auto mode by
braking, ensuring that a fower gear
is engaged when pulling out of a
corner.

Acceleration times of a

ae

\“A ~ [LEGENDARY TOYOTA |
| 1994 TOYOTA CAMRY
fully carpeted & much more.

WHO TO CALL:

Auto Editor
A.P. McCredie

985-2131 (173)

Photo submitted

THE 1995 Carrera 2 comes with Porsche's new Tiptronic S sys-
tem, which allows drivers to change gears on the manual
transmission without taking their hands off the steering whee!.

Tiptronic-equipped 911 Carrera 2
are slightly slower than aYtt
equipped with the standard six-
speed manual transmission. Zero to

sion and 6.6 seconds with the
Tiptronic. Porsche says that early
1995 911 Carrera 2 cars equipped
With the Tiptronic transmission can

be retrofitted with the new

100 km-h (62 m.p.h.) takes 5.6 see-
Tiptronic S steering wheel system.

onds with the six-speed transmis-

most GM vehicles

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