engine PORSCHE BOXSTER 2005 2.G User Guide

16
Controls, Instruments
Never invite car theft! An unlocked car with the key in the ignition lock in-
vites car theft.
A steering wheel lock and a gong alarm are stan-
dard equipment in your Porsche.
The gong alarm will sound if you open the driver’s
door while the key is still in the ignition lock. It is
your reminder to pull the key out of the ignition
lock and to lock the doors.
Warning!
Any uncontrolled movement of the vehicle
may result in serious personal injury and pro-
perty damage.
Never leave your vehicle unattended with the
key in the ignition lock, especially if children
and/or pets are left unattended in the vehic-
le. They can operate power windows and
other controls. If the engine is left running,
they may accidentally engage the shift lever.
fAlways remove the ignition key.
fAlways set the parking brake.
fLock the doors with the key or with the remote control.
Warning!
Risk of a serious accident.
The steering column will lock when you re-
move the key while you are driving or as the
car is rolling to a stop. You will not be able to
steer the car.
fNever remove the key from the steering lock while you are driving. To protect your vehicle and your possessions
from theft, you should always proceed as fol-
lows when leaving your vehicle:
fClose windows.
fClose convertible top
(with the convertible top open, the passenger
compartment monitoring system is always
switched off).
fLock glove compartment.
fRemove ignition key.
fClose storage tray between the seats.
fRemove valuables (e.g. car documents, tele-
phone, house keys) from the car.
fLock doors.

Controls, Instruments
17
Keys fPlease observe the chapter “CENTRAL LO-
CKING IN CARS WITH ALARM SYSTEM” on
Page 21.
Two main keys and one spare key are supplied
with your Porsche.
These keys operate all the locks on your vehicle.
fBe careful with your car keys: do not part with
them except under exceptional circumstances.
fTo avoid battery run-down, always remove the
ignition key from the ignition lock.
Replacement keys Replacement car keys can be obtained only from
your authorized Porsche dealer, and this can so-
metimes be very time-consuming.
You should therefore always keep the spare key on
your person.
Keep it in a safe place (e.g. wallet), but under no
circumstances in or on the vehicle.
The key codes of new keys have to be “reported”
to the car control unit by your authorized Porsche
dealer.
The key grip of the spare key can be exchanged
for a main-key grip.
Disabling key codes
If a key is lost, the key codes can be disabled by
an authorized Porsche dealer.
All the remaining car keys are required for this pur-
pose.
Disabling the code ensures that the car can be
started only using authorized keys.
Note
fPlease note that the other locks can still be
opened with the disabled key.
Immobilizer There is a transponder (an electronic component)
in the key grip, containing a stored code.
When the ignition is switched on, the ignition lock
checks the code.
The immobilizer can be deactivated and the engi-
ne started only using an authorized ignition key.
Switching off the immobilizer
fInsert the ignition key into the ignition lock.
If the ignition is left on for more than 2 minutes
without starting the engine, the immobilizer is re-
activated.
fIf this happens, turn the ignition key back to the
3 position before starting the engine.
Please observe the chapter “IGNITION/STAR-
TER SWITCH WITH ANTI-THEFT STEERING
LOCK” on Page 68.
Switching off the immobilizer
fRemove ignition key.Security Wheel Bolts fIf wheels have to be removed during a work-
shop visit, do not forget to hand over the so-
cket for the security wheel bolts along with the
car key.

20
Controls, Instruments The central locking switch on the dashboard lets
you lock and unlock both doors electrically.
Note
If the doors are locked with the key or remote con-
trol, they can not be opened by pressing the cen-
tral locking switch. Locking
fPress the rocker-switch.
Indicator light in the rocker switch lights up if
ignition is on.
If the doors were locked with the central lo-
cking switch, they can be opened by pulling the
inner door handle twice.
Unlocking
fPress the rocker-switch.
Indicator light goes off.
Automatic door locking Your authorized Porsche dealer can program di-
verse types of automatic door locking in the cont-
rol unit of the central locking system.
Ty p e 1
Doors lock automatically when the ignition is swit-
ched on.
Ty p e 2
Doors lock automatically when a speed of
3 - 6 mph (5 - 10 km/h) is exceeded. Ty p e 3
Doors lock automatically when the ignition is swit-
ched on. If doors are opened with the engine run-
ning, they lock again automatically when a speed
of 3 - 6 mph (5 - 10 km/h) is exceeded.
Ty p e 4
The doors do not lock automatically.
Note
Automatically locked doors can be unlocked with
the central locking button or opened by pulling on
the inside door handle twice.
On vehicles with the Sport Chrono package Plus,
the PCM can be used to activate automatic door
locking.
fPlease observe the chapter “Individual Memo-
ry” in the separate PCM operating instructions.
Warning!
In an emergency situation where you need to
exit the car through an automatically locked
door, remember the following procedure to
open the door.
fUnlock the doors by pressing the central lo-
cking button or
fpull the inside door handle twice to open the door.
Central locking switch

24
Controls, Instruments
Automatic door locking Your authorized Porsche dealer can program di-
verse types of automatic door locking in the cont-
rol unit of the central locking system.
Ty p e 1
Doors lock automatically when the ignition is swit-
ched on.
Ty p e 2
Doors lock automatically when a speed of
3 - 6 mph (5 - 10 km/h) is exceeded.
Ty p e 3
Doors lock automatically when the ignition is swit-
ched on. If doors are opened with the engine run-
ning, they lock again automatically when a speed
of 3 - 6 mph (5 - 10 km/h) is exceeded.
Ty p e 4
The doors do not lock automatically. Note
Automatically locked doors can be unlocked with
the central locking button or opened by pulling on
the inside door handle twice.
On vehicles with the Sport Chrono package Plus,
the PCM can be used to activate automatic door
locking.
fPlease observe the chapter “Individual Memo-
ry” in the separate PCM operating instructions.
Warning!
In an emergency situation where you need to
exit the car through an automatically locked
door, remember the following procedure to
open the door.
fUnlock the doors by pressing the central lo-
cking button or
fpull the inside door handle twice to open the door.
Fault indication A double horn signal during locking indicates a
defect in the central locking or alarm system.
Have the defect remedied at an authorized
Porsche dealer. Overload protection If the central locking system is operated more
than ten times within a minute, further operation is
blocked for 15 seconds.

28
Controls, Instruments
A - Power window in driver’s door
B - Power window in passenger’s door
Power Windows
Warning!
Risk of an accident.
fDo not put anything on or near the windows
that may interfere with the driver’s vision.
Risk of injury when the door windows close.
This applies especially if the windows are
closed with the comfort function, because
with this function the window goes up auto-
matically.
fMake sure nobody can be injured when the win-
dows close.
fRemove the ignition key to shut off power to
the window switches when the vehicle is not at-
tended by a responsible person. Uniformed
persons could injure themselves by operating
the power windows.
fDo not leave children in the car unattended.Readiness for operation of power windows – When the ignition is switched on
(engine switched on or off) or
– with doors closed and ignition key withdrawn,
but only until door is first opened.
One-touch operation for closing the door
windows is available only when the ignition is
switched on.
Opening/closing windowsThe two rocker switches in the driver’s door and
the switch in the passenger’s door have a two-
stage function.
Opening window with the rocker switch
fPress the rocker switch down to the first stage
until the window has reached the desired
position.
Closing window with the rocker switch
fPress the rocker switch upwards to the first
stage until the window has reached the desired
position.
One-touch operation
fPress the rocker switch upwards or
downwards to the second stage.
Window moves to its final position.
Press again to stop the window in the desired
position.
One-touch operation for closing the passenger’s
window is available once the window is approxi-
mately half-way closed.
Comfort function when unlocking the vehicle
fUnlock car with the remote control.
Hold car key in door lock in the unlocking direc-
tion until the windows have reached the desi-
red position.

50
Controls, Instruments fDo not add any additional coverings or stickers
to the steering wheel or in the area of the pas-
senger airbag and side airbags. Doing so may
adversely affect the functioning of the airbag
system or cause harm to the occupants if the
airbag system should deploy.
fDo not undertake any wiring for electrical ac-
cessory equipment in the vicinity of the airbag
wiring harnesses. Doing so may disable the air-
bag system or cause inflation.
fIf the warning light comes on, the airbag sys-
tem should be repaired immediately by your
authorized Porsche dealer.
Note
Airbag components (e.g. steering wheel, door
trim, seats) may be disassembled only by an au-
thorized Porsche dealer.
When disposing of a used airbag unit, our safety
instructions must be followed. These instructions
can be obtained at any authorized Porsche dealer.Faults are indicated by a warning light in the instru-
ment panel and a message on the on-board com-
puter.
fIn the following cases you should immedi-
ately consult an authorized Porsche deal-
er in order to assure the airbag system is
functioning properly:
– If the warning light does not light up when the
ignition is switched on or
– if the warning light does not go out once the
engine is running or
– if the warning light appears while driving.
fPlease observe the chapter “WARNINGS ON
THE INSTRUMENT PANEL AND THE ON-
BOARD COMPUTER” on Page 102.
Warning light “PASSENGER AIRBAG OFF”fPlease observe the chapter “KEY-OPERATED
AIRBAG DEACTIVATION DEVICE” on Page 48.
Airbag maintenanceIn order to ensure long-term functioning, the air-
bag system must be inspected by an authorized
Porsche dealer at the intervals recommended in
your Maintenance booklet.
Important information
If you sell your Porsche, notify the purchaser that
the vehicle is equipped with airbags, and refer
them to the chapter, “Airbag Systems”, in the own-
er’s manual (safety and disposal rules).
Further information on the airbag system can be
found on labels on the sun visors, as well as on all
airbag components.
fFor special recommendations on the use of
child restraints:
Please observe the chapter “CHILD RES-
TRAINT SYSTEMS” on Page 45.
Warning light and warning
message

54
Controls, Instruments
Brake booster The brake booster assists braking only when
the engine is running.
When the car is moving while the engine is not run-
ning, or if the brake booster is defective, more
pressure on the brake pedal is required to bring
the car to a stop.
Moisture or road salt on brakes affects braking.
When the vehicle is driven on salted roads for ex-
tended periods, the brakes should be washed
down thoroughly about every 2 weeks. An auto-
matic carwash facility cannot do this job properly.
Brakes will dry after a few cautious brake applica-
tions.
Warning!
Driving through water may reduce traction.
Moisture on brakes from road water, car
wash, or coating of road salt may affect bra-
king efficiency.
fCautiously apply brakes to test brakes after being exposed.
Brake wear Your car has excellent brakes, but they are still
subject to wear. The rate at which they wear de-
pends on how the brakes are used.
fHave the brake system inspected at the inter-
vals recommended in your Maintenance Book-
let.
If the lights in the instrument panel and on-board
computer stay on when the engine is running or
come on while driving, the brake pads are worn,
excessively.
fDo not continue to operate the vehicle.
Have your authorized Porsche dealer inspect
or replace the brake pads.
Brake pads Wear on the brake pads and brake discs depends
to a great extent on the driving style and the con-
ditions of use and therefore cannot be expressed
in actual miles on the road.
The high-performance brake system is designed
for optimal braking effect at all speeds and tempe-
ratures.
Certain speeds, braking forces and ambient
conditions (such as temperature and humidity)
therefore might cause the brakes to squeal.
New brake pads or linings
New brake pads have to be “broken in”, and there-
fore only attain optimal friction when the car has
covered several hundred miles or km.
The slightly reduced braking ability must be com-
pensated for by pressing the brake pedal harder.
This also applies whenever the brake pads and
brake discs are replaced.
Warning light USA
Warning light Canada

56
Controls, Instruments
Operation of the ABS system A wheel speed sensor is mounted to each of the
four wheels. If wheel lock-up of either of the front
wheels or the rear wheels is sensed during bra-
king, the brake pressure is adjusted automatically
until the wheel no longer slips. The brake pressure
is regulated for each front wheel individually and
for both of the rear wheels together.
On a road surface which is slippery on only one si-
de, the rear wheel which is braking on the slippery
surface determines the brake pressure which will
be applied equally to both rear wheels. This ensu-
res that directional stability is maintained. Howe-
ver, if braking forces approach the wheel lock-up
point for all wheels (panic braking) the ABS system
will intervene to provide a rapid rythmic braking.
The proper operation of ABS is perceived by the
driver as a pulsating brake pedal in conjunction
with audible noise and perhaps some vibration.
fIf you experience these sensations while dri-
ving or a road surface with questionable trac-
tion, reduce vehicle speed appropriate for the
prevailing road conditions.
The functional readiness of all the main electrical
components of the ABS is checked by an electro-
nic monitoring system both before and while you
drive. When the ignition is switched on the ABS warning
light will light up while the system is electronically
interrogated and goes out when the engine is star-
ted if the check is not yet complete.
If the ABS warning lamp fails to go out, this indica-
tes that ABS has been deactivated due to a fault.
If the warning lights in the instrument panel and on-
board computer light up while you are driving, this
indicates that a fault has occurred. In both cases,
normal braking, as in vehicles without ABS, is still
retained.
The ABS system should, however, be examined at
an authorized Porsche dealer immediately to pre-
vent the occurrence of further faults.
fIf the ABS system becomes inoperative, take
your vehicle to your authorized Porsche dealer
immediately.
Warning!
The control unit of the ABS brake system is
set for standard tire size. If non-standard ti-
res are installed, the control unit may misin-
terpret the speed of the vehicle, because of
the variant data it receives from the sensors
on the axles.
fUse only tire makes and types tested by Porsche.
Warning light USA
Warning light Canada

Controls, Instruments
57
Sport ModeA sportier car set-up is obtained when Sport mode
is switched on. Interventions by the Porsche
control systems are intentionally shifted towards
greater agility and driving performance.
– PASM (Porsche Active Suspension Manage-
ment) is automatically changed to Sport mode,
resulting in a stiffer suspension setup.
– PSM (Porsche Stability Management) control is
sporty. PSM interventions take place later than
in Normal model. The driver can manoeuvre
the vehicle with greater agility at its perform-
ance limits, without having to dispense with the
assistance of PSM in emergency situations.
– The electronic accelerator pedal reacts
sooner, and the engine is more responsive to
throttle inputs. When Sport mode is switched
on, this function is activated only after the
driver has floored the accelerator pedal or
released it briefly.
– The rpm limiter characteristic is “harder”, i.e.
the engine is immediately throttled when the
performance limits are reached.
fPlease observe the appropriate chapters of
this Manual.
Switching Sport mode on and offfPress SPORT button in the center console.
When Sport mode is switched on, the light-
emitting diode in the SPORT button is lit.When Sport mode is switched on, the logo SPORT
appears next to the digital speedometer.
Switching Sport mode on and off simultaneously
activates and deactivates the Sport mode of the
PA S M .
If PASM Sport mode was activated with the PASM
button, PASM remains active.
After the ignition is switched off, Sport mode is au-
tomatically reset to Normal mode.

58
Controls, Instruments
Porsche Stability Management
(PSM)PSM is an active control system for stabilisation of
the vehicle during extreme driving manoeuvres.
Warning!
The increased control that is provided should
not induce you to take greater risks with your
safety. The limits dictated by the laws of phy-
sics cannot be overcome, even with PSM.
The risk of accidents due to inappropriate
speed cannot be reduced, even by PSM.
The driver bears the responsibility for all dri-
ving maneuvers.
fAdapt your driving style to the prevailing road
and weather conditions.
fObey all traffic laws. Advantages of PSM – Superior traction and lane-holding ability in all
driving situations – even on road surfaces with
varying friction.
– PSM actively stabilizes the vehicle during dyna-
mic driving maneuvres (e.g. rapid steering mo-
vements, during lane changes or on alterna-
ting curves).
– Improved braking stability in curves and on dif-
ferent or varying road surfaces.
Readiness for operationPSM is switched on automatically every time you
start the engine. FunctionSensors at the wheels, brakes, steering system
and engine continuously measure:
– Speed
– Direction of travel (steering angle)
– Lateral acceleration
– Rate of turn about the vertical axis
PSM uses these values to determine the direction
of travel desired by the driver.
PSM intervenes and corrects the course if the
actual direction of motion deviates from the
desired course (steering-wheel position):
It brakes individual wheels as needed. In addition,
the engine power may be manipulated in order to
stabilise the vehicle. The events below inform the driver of PSM control
operations and warn him to adapt his driving style
to the road conditions:
– The multi-functional information light on the
instrument panel flashes.
– Hydraulic noises can be heard.
– The vehicle decelerates and steering-wheel
forces are altered as the PSM controls the
brakes.
– Reduced engine power.
– The brake pedal pulsates and its position is
changed during braking.
However, it is possible at any time to achieve
full vehicle deceleration by increasing the foot
pressure slightly.