2005 PORSCHE BOXSTER engine temperature

80
Controls, Instruments
Temperature gauge (ignition on) USA: Display in °F
Canada: Display in °C
Pointer to the left – engine cold
fAvoid high engine speeds and heavy engine
loading. Pointer in the middle – normal operating tem-
perature
The pointer may move up to the red area when en-
gine is heavily loaded and outside temperature is
high, but should return to “normal” when engine
load is reduced.
Warning light “A” If the coolant temperature is too high, the warn-
ing light comes on.
Additionally, a warning is displayed in the on-board
computer.
fPull off the road, turn off the engine and allow
to cool.
fCheck radiator and air passages in front end of
car for obstructions.
fCheck coolant level.
If necessary, add coolant and have fault reme-
died at an authorized Porsche dealer.
Please observe the chapter “COOLANT LEVEL”
on Page 170.
Note
To prevent excessive temperatures, the cooling-
air passages must not be restricted by coverings
(e.g. films, “stone guards”). If the coolant level is too low, the warning light
flashes.
Additionally, a warning is displayed in the on-board
computer.
fSwitch engine off and allow to cool.
fAdd coolant.
fHave the cause of the fault remedied at an au-
thorized Porsche dealer.
Please observe the chapter “COOLANT LEVEL”
on Page 170.
Caution!
Risk of engine damage.
fIf the warning lights come on even though cool-
ant level is correct, do not continue driving.
fHave the fault remedied at the nearest authorized Porsche dealer.
Engine compartment blower fan In addition, this warning light flashes to indicate a
fault in the engine compartment blower fan.
fHave the cause of the fault remedied at an
authorized Porsche dealer.
Cooling System

Controls, Instruments
97
OIL
Display and measurement of the engine
oil level
Caution!
Risk of engine damage.
fRegularly check the oil level after refuelling.
fDo not allow the oil level to fall below the mini-mum mark.
Conditions for measuring the oil level
1. It is important to ensure that the vehicle is
horizontal for correct oil level measurement
to occur.
2. Engine is off.
3. Ignition on.Oil return time
Before the oil level is measured, the engine oil has
to have flowed back into the oil pan.
The time taken for the engine oil to flow back de-
pends on the engine temperature and how long
the engine has been stopped.
This waiting time is counted down in the on-board
computer display when the ignition is switched on.
The oil level display segments start to “cycle”.
fIt is best to measure the engine oil level before
embarking on a journey (if the vehicle has not
been driven for an extended period) or with the
engine at operating temperature. Shorter wait-
ing times are achieved in this way.Initiating oil level measurement
fSwitch ignition on (do not start the engine).
The engine-oil level measurement display ap-
pears in the on-board computer.
fAllow waiting time to elapse.
fOnce the measurement has been completed,
you can read off the engine oil level on the seg-
ment display.
– If the segments are filled in up to the top line,
the oil level has reached the maximum mark.
fUnder no circumstances add engine oil.

98
Controls, Instruments – If the bottom segment is filled in, the oil level
has reached the minimum mark.
fAdd engine oil immediately.
– If the segment flashes, the oil level has
dropped to below the minimum mark.
fAdd engine oil immediately.
The difference between the minimum and maxi-
mum marks on the segment display is approx.
1.2 liters.
Each segment of the display corresponds to ap-
prox. 0.4 liter.
fAdd engine oil if necessary.
Please observe the chapter “ENGINE OIL LE-
VEL” on Page 173.
Before adding oil, switch ignition off.
fNever add more engine oil than required
to reach the maximum mark.Oil level measurement during refuelling
The oil level is automatically measured during re-
fuelling.
Preconditions
1. Ignition is switched off.
2. If the engine is at operating temperature, at
least 5 minutes must elapse between parking
the vehicle and starting the engine.
3. Refuelling completed within 15 minutes.
When the ignition is switched on, the engine oil lev-
el is shown on the segment display.
Measurement will be stopped if the above require-
ments are not met.
fStart oil level measurement in the “OIL“ menu
or
fStart oil level measurement by switching on
the ignition.
Failure
A failure of the oil level display is indicated by a
warning message in the on-board computer.The oil level measurement can also be
initiated in the “OIL” menu:
Switching on selection field “D”
fPush operating lever forward.
Initiating measurement
fSelect “OIL” with the operating lever.
fPush operating lever forward.
fSelect “Start” and push the operating lever for-
ward.
Measurement is started.

104
Controls, Instruments
Check the oil level Start engine oil level measurement in the
on-board computer.
The vehicle must be horizontal and the ignition
must be switched on.
Oil pressure too low Stop immediately at a suitable place, measure
oil level with the on-board computer and, if ne-
cessary, add engine oil.
Warning light
Temperature gau-
geEngine temperature too high Switch engine off and let it cool.
Check coolant level and, if necessary,
add coolant.
Temperature gau-
ge warning light
flashesCheck coolant level Switch engine off and let it cool.
Check coolant level and, if necessary, add
coolant.
Engine diagnostics – workshop Consult your authorized Porsche dealer.
Reduced engine performance Consult your authorized Porsche dealer.
Temperature gau-
ge warning light
flashesFailure of
engine-compartment blowerConsult your authorized Porsche dealer.
Battery/generator warning Stop at a safe place and switch the engine off.
Do not continue driving.
Have the fault remedied at an authorized
Porsche dealer.
Oil pressure gauge faulty Have the fault remedied at an authorized
Porsche dealer.
Oil level display faulty Have the fault remedied at an authorized
Porsche dealer.
Oil temperature gauge faulty Have the fault remedied at an authorized
Porsche dealer.
Instrument
panelOn-board
computerText display on on-board
computerMeaning/measure

116
Controls, Instruments
Information on air-conditioning
compressor– May switch off briefly to ensure sufficient
engine cooling if the engine is operating under
extreme load.
– Operates most effectively with the windows
closed.
If the vehicle has been in the sun for a long
time, it is a good idea to ventilate the interior
briefly with the windows open.
– Depending on the outside temperature and
humidity, condensation can drip from the
evaporator and form a pool under the car.
This is normal and not a sign of leakage.
– If uncooled air flows out when the lowest
temperature has been set, switch off the air
conditioning compressor and have the fault
remedied.
Please contact your authorized Porsche dealer
for further information.

Controls, Instruments
119
Switching circulating-air mode on or off
fPress button C.
The outside-air supply is interrupted and only
the inside air is circulated.
The light-emitting diode in the button lights up.
Over approx. 37°F/3°C
If the air-conditioning compressor was off, it
switches on automatically. The duration of
circulating-air mode is not limited.
Below approx. 37°F/3°C
The air-conditioning compressor is switched off.
Circulating-air mode is automatically ended after
approx. 3 minutes.Air distributionThe individual air distributions can be combined as
desired.
Recommended setting in Summer –
Air distribution to central and side vents
Recommended setting in Winter –
Air distribution to footwell and windshield
Air distribution to footwell
fPress button J.
The air flows to the footwell.
The selection appears on the display panel.Air distribution to center and side vents
fPress button K.
The air flows from the central and side vents.
Vents must be open.
The selection appears on the display panel.
Air distribution to windshield
fPress button L.
The air flows to the windshield.
The selection appears on the display panel.
Note on operation
fOn vehicles with the Sport Chrono package
Plus, individual air conditioning settings can be
stored on your vehicle key.
Please observe the chapter “Individual
Memory” in the separate PCM operating
instructions.
Information on air-conditioning
compressor– May switch off briefly to ensure sufficient
engine cooling if the engine is operating under
extreme load.
– Operates most effectively with the windows
closed.
If the vehicle has been in the sun for a long
time, it is a good idea to ventilate the interior
briefly with the windows open.
– Depending on the outside temperature and
humidity, condensation can drip from the
evaporator and form a pool under the car.
This is normal and not a sign of leakage.
– If uncooled air flows out when the lowest
temperature has been set, switch off the air
conditioning compressor and have the fault
remedied.
Please contact your authorized Porsche dealer
for further information.

154
Mobile Roofs
Convertible Top Brief operating instructions can be found on the
back side of the driver’s sun visor.
fPlease observe the chapter “CAR CARE IN-
STRUCTIONS” on Page 191.
Warning!
When opening or closing the convertible top,
serious personal injury may occur if a per-
son’s body parts are near or in the way of the
convertible top mechanism’s moving parts.
fMake absolutely sure that nobody can be inju-
red by the convertible-top mechanism or the convertible-top compartment lid. Do not operate convertible top:
– At temperatures below 32°F/0°C.
– When one side of the car is on a curb, a hoist
or a jack.
– When items of luggage or other objects hinder
the convertible top movement or are in abrasi-
ve contact with the convertible top or rear win-
dow.
Items of luggage or objects on the luggage
tray above the engine compartment lid must
be put in the storage box or be secured under
the net to prevent their sliding out.
– Drive only with the convertible top fully open or
closed.
fAvoid frequent operation of the convertible top
with the engine off; the vehicle battery would
be unintentionally discharged rapidly.
fThe convertible top must be operated only
when the car is stationary. Make sure there is
sufficient clearance above the convertible top
(e.g. in the garage).
fTo prevent damp stains and abrasions, only
open the convertible top in a dry, clean state.
fPark your car in the shade whenever possible,
as the fabric, rubber material and color can be
harmed by long exposure to sunlight.
Door windows If the door windows are closed, they will automati-
cally be lowered a few centimeters before the con-
vertible top is opened or closed.
The door windows close automatically when the
convertible top is locked with the latching lever on
the windshield frame. Conditions for operating the convertible
top – The ignition must be switched on
(engine running or off).
– Maximum speed 30 mph (50 km/h)
The opening/closing process of the convert-
ible top will be interrupted if the maximum
speed is exceeded.
fReduce speed.
Press button again.
The opening/closing process is ended.

168
Maintenance, Car Care
Exercise Extreme Caution when
Working on your Vehicle
Danger!
Ignoring the following instructions may cau-
se serious personal injury or death.
fThe engine compartment of any motor vehicle
is a potentially hazardous area. If you are not
fully familiar with proper repair procedures, do
not attempt the adjustments described on the
following pages.
This caution applies to the entire vehicle.
fO n l y w o r k o n y o u r v e h i c l e o u t d o o r s o r i n a w e l l
ventilated area.
fEnsure that there are no open flames in the
area of your vehicle at any time when fuel fu-
mes might be present. Be especially cautious
of such devices such as hot water heaters
which ignite a flame intermittently.
fBefore working on any part in the engine com-
partment, turn the engine off and let it cool
down sufficiently. Hot engine compartment
components can burn skin on contact.
fBe alert and cautious around engine at all ti-
mes while the engine is running.
If work has to be performed with the engine
running, always set the parking brake, and
make sure the shift lever is in neutral or the se-
lector lever is in position P or N. fIn particular, be very careful to ensure that
items of clothing (ties, shirt, sleeves etc.), je-
welry, long hair, hand or fingers cannot get
caught in the engine-compartment blower, fan,
belts or other moving parts.
The radiator and radiator fans are in the front
of the car.
The fans can start or continue running as a
function of temperature, even with the engine
switched off.
Carry out work in these areas only with the en-
gine off and exercise extreme caution.
fYour Porsche is equipped with an electronic ig-
nition system. When the ignition is on, high vol-
tage is present in all wires connected with the
ignition system; therefore, exercise extreme
caution when working on any part of the engine
while the ignition is on or the engine is running.
fAlways support your car with safety stands if it
is necessary to work under the car. The jack
supplied with the car is not adequate for this
purpose.
fWhen working under the car without safety
stands but with the wheels on the ground,
make sure the car is on level ground, the
wheels are blocked, and that the engine can-
not be started.
Remove the ignition key. fDo not smoke or allow an open flame around
the battery or fuel.
Keep a fire extinguisher in close reach.
fIncomplete or improper servicing may cause
problems in the operation of the car. If in doubt
about any servicing, have it done by your au-
thorized Porsche dealer.
Improper maintenance during the warranty pe-
riod may affect your Porsche warranty cove-
rage.
fSupplies of fluids, e.g. engine oil, brake fluid or
coolant, are hazardous to your health.
Keep these fluids out of children’s reach and
dispose of them in accordance with the appro-
priate regulations.
fSome countries require additional tools and
special spare parts to be carried.
Please make enquiries before driving abroad.
Power measurements Power measurements on dynamometers are not
approved by Porsche.