Porsche Cayman (2010 year). Manual - part 9
Stopwatch on the instrument panel
Note on operation
The stopwatch has an analogue and a digital dis-
When you leave the CHRONO menu while the stop-
play.
watch is running, measurement will continue.
The large pointer of the analogue display meas-
The stopwatch stops after the ignition is switched
ures the seconds. The two small pointers measure
off. If the ignition is switched on again within ap-
hours and minutes. The display re-starts at zero af-
prox. 4 minutes, the stopwatch will continue to
ter 12 hours.
run.
Seconds and increments of 1/100th of a second
can be read on the digital display.
The only way to reset the stopwatch to zero is by
The digital display and the display in the on-board
selecting “Reset” in the CHRONO menu.
computer can indicate up to 99 hours and
59 minutes.
The stopwatch can be swivelled both to the left
and to the right.
Stopwatch displays:
- on the stopwatch on the instrument panel,
CHRONO
- in the on-board computer menu CHRONO,
Stopwatch
- on the performance display in the PCM.
You can use the stopwatch to measure time inter-
vals, e.g. on the race circuit or on work-related
Starting/stopping stopwatch
journeys. Measured lap times can be stored and
All stopwatch displays are started and stopped via
evaluated if the vehicle is equipped with Porsche
the on-board computer menu CHRONO.
Communication Management (PCM).
f Please observe the chapter “Sport display” in
the separate PCM operating instructions.
144 Instruments, On-Board Computer, Warnings
Starting the timing
f Push operating lever forward.
f Push operating lever forward.
The time runs on all stopwatch displays.
f Push operating lever forward.
The on-board computer display changes to the
The selection field is switched on.
“Stop timing/Intermediate time” selection.
f Select CHRONO with the operating lever.
Instruments, On-Board Computer, Warnings
145
Stopping the timing
f Push lever forward.
Continue timing
The time is stopped in all stopwatch displays,
After time measurement is started, the on-board
After timing has been stopped, the on-board com-
and the on-board computer display changes to
computer display changes to the “Stop timing/In-
puter display changes to the “Continue/Reset” se-
the “Continue/Reset” selection.
termediate time”.
lection.
The timing can be continued or reset to zero.
f Select “Stop timing” with the operating lever.
146 Instruments, On-Board Computer, Warnings
f Push operating lever forward.
Resetting the time
f Push operating lever forward.
The stopwatch displays continue the timing.
The display returns to the “Start timing”
After timing has been stopped, the on-board com-
selection.
The on-board computer display returns to the
puter display changes to the “Continue/Reset” se-
The stopwatch displays in the instrument panel
“Stop timing/Intermediate time” selection. You
lection.
and the on-board computer are reset to zero.
can stop the stopwatch or measure an inter-
f Select “Reset” with the operating lever.
mediate time.
Instruments, On-Board Computer, Warnings
147
A - Lap
After timing has been started, the on-board com-
f Select “Intermediate time” with the operating
B - Intermediate time
puter display changes to the “Stop timing/Inter-
lever and push the operating lever forwards.
mediate time” selection.
The intermediate time will be displayed for
Displaying intermediate times
approx. 5 seconds.
Several intermediate times can be displayed for a
route or for a lap on the race circuit. The interme-
diate times B are for your information.
Measured lap times A can be stored and evaluat-
ed if the vehicle is equipped with Porsche Commu-
nication Management (PCM).
148 Instruments, On-Board Computer, Warnings
The on-board computer display then returns to the
In order to start timing a new lap:
The new lap is displayed on the on-board compu-
“Stop timing/Intermediate time” selection.
ter and the PCM. Timing on the on-board computer
The “New lap?” selection appears for 5 seconds
and on the PCM begins from zero. The stopwatch
f You can stop the stopwatch or measure anoth-
after selection of “Intermediate time”.
in the instrument panel continues to show the total
er intermediate time.
f Select “New lap?” with the operating lever and
time.
push the operating lever forwards.
Instruments, On-Board Computer, Warnings
149
f The on-board computer display returns to the
AUDIO
NAVI
“Stop timing/Intermediate time” selection after
a short period.
Switching on selection field “D”
Switching on selection field “D”
f You can stop the stopwatch or measure anoth-
f Push operating lever forward.
f Push operating lever forward.
er intermediate time or a new lap.
Selecting a radio station
Select destination
f Select “AUDIO” with the operating lever.
f Select “NAVI” with the operating lever.
f Push operating lever forward.
f Push operating lever forward.
f Select the desired station.
f Select the desired function with the operating
lever:
f Push the operating lever up or down.
- Last destinations
- Destination memory
- Route guidance
150 Instruments, On-Board Computer, Warnings
f The driver is responsible for filling the tires
f
Do not drive with tires whose tire pressure
correctly and making the correct settings on
drops again in a short period of time. In cases
the on-board computer.
of doubt, have tires checked by an authorized
Porsche dealer.
The Tire Pressure Monitoring offers the following
functions:
f
Damaged tires must be immediately replaced
by an authorized Porsche dealer.
-
Display of the actual tire pressure while the
Tire repairs are not permissible under any
vehicle is in motion.
circumstances.
-
Display of the deviation from the required
f
If a fault occurs in the Tire Pressure Monitoring
pressure (refilling pressure).
(e.g. defective wheel transmitter), contact an
-
Display of currently set tire size and type.
authorized Porsche dealer immediately and
have the damage repaired.
–
Tire pressure warnings in two stages.
The tire pressure will not be monitored at all or
will be monitored only partially by defective
Warning!
Tire Pressure Monitoring.
f
Despite the advantages offered by the Tire
f
Tires lose air over time without a tire defect
Pressure Monitoring, it is still the driver’s re-
being present. A tire pressure warning will then
TPM
sponsibility to update the corresponding set-
appear in the on-board computer display.
Tire Pressure Monitoring
tings in the on-board computer and maintain
Correct the tire pressure at the next oppor-
the pressure in the tires.
tunity.
f Please see the chapter “TIRE PRESSURE FOR
Low tire pressure reduces the road safety of
COLD TIRES (68 °F/ 20 °C)” on Page 267.
the vehicle and destroys the tire and wheel.
f
The Tire Pressure Monitoring gives a warning
about tire damage due to natural pressure loss
The Tire Pressure Monitoring continuously
f
When a flat tire has been displayed, immedi-
as well as about a gradual loss of pressure due
monitors tire pressure and tire temperature on all
ately stop in a suitable place and check the
to foreign objects.
four wheels and warns the driver when the tire
tires for damage. If necessary, remedy the
The Tire Pressure Mnitoring cannot warn you
pressure is too low.
damage with a tire sealant.
about tire damage that occurs suddenly (e.g.
The display as well as the settings for the Tire
f
Do not by any means continue to drive with
flat tire due to abrupt external effects).
Pressure Monitoring take place on the on-board
damaged tires.
computer.
However, you must still adjust the tire pressure on
f
Sealing the tire with tire sealant is only an
emergency repair, so you can drive to the next
the wheel.
authorized Porsche dealer. The maximum per-
mitted speed is 50 mph (80 km/h).
Instruments, On-Board Computer, Warnings
151
Warning!
This display is for informational purposes
only. Under no circumstances should the tire
pressures be changed based on this display.
Changing the tire pressure to incorrect
pressures could adversely affect the perfor-
mance, driving characteristics, and safety of
your vehicle.
f Maintain tire pressures according to the units
indicated on the tire pressure plate, located on
the drivers side door of the vehicle.
Displaying the tire pressure function of the
on-board computer
f Push operating lever up or down until the tire
pressure function of the on-board computer
Tire pressure function of the on-board
appears.
Pressure info in tire pressure menu
computer
(The selection field must be switched off.)
In accordance with physical principles, the air
The tire pressure function of the on-board
pressure changes as the temperature changes.
computer displays the tire pressures (actual
The tire pressure increases or decreases by
pressure) dependent on temperature in the four
around 1.5 psi (0.1 bar) for every 18 °F (10 °C)
wheels.
change in temperature.
You can watch the tire pressure rise as the
The Tire Pressure Monitoring takes this relation-
temperature increases while driving.
ship between tire pressure and temperature into
This display is only for information.
account.
f Under no circumstances should the tire
f Please see the chapter “PRESSURE INCREASE
pressures be changed based on this display.
AS THE RESULT OF TEMPERATURE
INCREASE” on Page 160.
You can read the tire pressures to be
corrected in this display.
152 Instruments, On-Board Computer, Warnings
The tire pressure to be corrected (refill pressure)
is indicated on the displayed wheel.
Example: If “ -1.5 psi (-0.1 bar)” is displayed,
1.5 psi (0.1 bar) must be added to this tire.
Note
The tire pressure menu can only be called up when
the vehicle is stationary.
Calling up the “Info pressure” display
f Push operating lever forward in order to switch
on the selection field.
f Select “TPM” with the operating lever.
f Push operating lever forward.
The display changes to the tire pressure menu.
f Select “Info pressure” with the operating lever.
Tire type info in Tire pressure menu
f Select “Info tires” with the operating lever.
f Push operating lever forward.
Information about the currently set tires:
f Push operating lever forward.
Note
- Tire type: Summer tires, winter tires
Tire selection in the “Set” menu
After the ignition is switched on, it can take up to
- Tire size: 17, 18, 19 inch
approx. 1 minute before all tire pressures are
f Push operating lever forward in order to switch
displayed. Dashes (“-.-”) appear instead of the tire
“Info tires” shows the current tire settings.
on the selection field.
pressures.
f Select “TPM” with the operating lever.
Calling up the “Info tires” display
f Push operating lever forward in order to switch
on the selection field.
f Select “TPM” with the operating lever.
f Push operating lever forward.
The display changes to the tire pressure menu.
Instruments, On-Board Computer, Warnings
153
f Push operating lever forward.
f Select “Set” with the operating lever.
f Push the operating lever forward.
The display changes to the tire pressure menu.
f Select desired tire type:
summer or winter.
f Push operating lever forward.
A display for confirming the selected type of
tire appears.
154 Instruments, On-Board Computer, Warnings
f Select “Continue” and push the operating lever
f Select the appropriate tire size (17, 18 or 19
f Select “Continue” and push the operating lever
forward.
inch) and push operating lever forwards. A dis-
forward.
play for confirming the selected tire size ap-
pears.
Note
This menu is displayed only if the tire pressures
are different for the approved tire sizes.
Instruments, On-Board Computer, Warnings
155
Note
Tire pressure warnings
The message “Process aborted” appears if the
The tire pressure warning light on the instrument
setting process is interrupted. All entries made up
panel and a corresponding message on the on-
to this point are lost, and the original settings
board computer warn about loss of pressure in
remain in effect.
two stages, depending on the amount of pressure
Only if the message “Process complete” appears
loss.
after the settings have been made will the Tire
Driving with insufficient tire pressure reduces the
Pressure Monitoring re-learn the wheels.
road safety of the vehicle and destroys the tire and
f Please see the chapter “SYSTEM LEARNING”
wheel.
on Page 158.
Stage 1 - Add air
Before fitting tires with sizes which are not stored
in the on-board computer, the missing information
The pressure in the tire is too low by 4 to 7 psi (0.3
should be supplemented in the on-board
to 0.5 bar).
computer.
f The tire pressure warning contains the
affected tire with the tire pressure to be added.
f Please consult your authorized Porsche
dealer.
Correct the tire pressure at the next
The tire selection has only been successfully
opportunity.
f Use only tires approved by Porsche.
completed when the message “Process
complete” is displayed by the on-board computer.
The available items in the tire pressure menu
f Select arrow (Back) and push the operating
depend on the equipment of your vehicle. For this
lever forward. The display returns to the tire
reason it is possible that some of the items shown
pressure menu.
here are not available on your on-board
The on-board computer additionally displays
computer’s display.
the message “System learning”.
f Make sure that tire pressures correspond to
the on-board computer settings. Correct the
tire pressure if necessary.
f Please see the chapter “TIRE PRESSURE FOR
COLD TIRES (68 °F/ 20 °C)” on Page 267.
156 Instruments, On-Board Computer, Warnings
This tire pressure warning also appears when
driving and can be acknowledged.
The tire pressure warning light on the instrument
panel goes out only when the tire pressure has
been corrected.
This tire pressure warning appears
Stage 2 - Flat tire
- for approx. 10 seconds with vehicle stopped
At speeds below 100 mph (160 km/h):
when switching off the ignition or
The pressure in the tire has dropped by more
- again when switching on the ignition.
than 7 psi (0.5 bar). This significant pressure
With ignition on, the warning can be deactivated.
loss is a danger to road safety.
The tire pressure warning light in the instrument
At speeds above 100 mph (160 km/h):
panel goes out only when the tire pressure has
The pressure in the tire has dropped by more
been corrected.
than 5 psi (0.4 bar). This significant pressure
loss is a danger to road safety.
f When the tire pressure warning appears, stop
immediately at a suitable location. Check the
indicated tire for signs of damage. If neces-
sary, fill in tire sealant and set the correct tire
pressure.
Instruments, On-Board Computer, Warnings
157
System learning
The Tire Pressure Monitoring requires a certain
Changing a wheel and replacing tires
amount of time to learn the wheels. During this
The Tire Pressure Monitoring begins to “learn” the
time, the current tire pressures are not available
f New wheels must be fitted with radio transmit-
wheels after a wheel change, wheel transmitter
on the on-board-computer:
ters for the Tire Pressure Monitoring.
replacement or update of the tire settings. During
Before tires are changed, the battery charge
- The tire pressure warning light remains lit until
this process, the Tire Pressure Monitoring recog-
state of the wheel transmitters should be
all wheels have been learned.
nizes the tires and their locations.
checked at an authorized Porsche dealer.
The on-board computer displayes the message
- The display of the tire pressure function of the
f Switch the ignition off when changing a wheel.
“TPM is learning, monitoring not act.”.
on-board computer shows lines.
The tire settings on the on-board computer must
- The required pressures for cold tires at 68 °F
be updated after changing a wheel.
(20 °C) are indicated in the Info pressure
If the tire settings are not updated, the message
display in the tire pressure menu.
“Wheel change? Input new TPM settings!” is
Position and pressure information is displayed as
displayed on the on-board computer.
soon as the Tire Pressure Monitoring has as-
f Update the on-board computer settings when
signed the wheels identified as belonging to the
the vehicle is stationary the next time.
vehicle to the correct wheel positions.
The wheel learning process takes place
exclusively when the vehicle is being driven
(vehicle speed above 25 km/h (16 mph)).
f Check the tire pressure for all wheels on the
“Info pressure” display.
f Correct the tire pressure to the required
pressure if necessary.
158 Instruments, On-Board Computer, Warnings
In the event of a defect in Tire Pressure Monitoring
No monitoring
Warning light
or a temporary fault, the warning light in the
speedometer flashes for approx. one minute and
In the event of faults the Tire Pressure Monitoring
then remains continuously illuminated.
cannot monitor the tire pressure.
Warning!
The warning light in the speedometer flashes for
The tire pressure warning light in the instrument
Your vehicle has also been equipped with a TPM
approx. one minute and then remains continuously
panel goes out only when the cause of the fault
malfunction indicator to indicate when the system
illuminated and a corresponding message
has been rectified.
is not operating properly.
appears on the on-board computer.
The TPM malfunction indicator is combined with
Monitoring is not active when:
the low tire pressure telltale.
Partial monitoring
When the system detects a malfunction, the tellta-
-
the Tire Pressure Monitoring is faulty,
Monitoring of the other wheels is continued if there
le will flash for approximately one minute and then
is a fault in one or two wheel transmitters.
–
wheel transmitters for the Tire Pressure
remain continuously illuminated. This sequence
Monitoring are missing,
will continue upon subsequent vehicle start-ups as
- The tire pressure warning light lights up.
long as the malfunction exists.
-
during the learning phase after the tire settings
- The message “TPM partial monitoring” is
When the malfunction indicator is illuminated, the
have been updated,
displayed on the on-board computer.
system may not be able to detect or signal low tire
-
after a wheel change without updating the tire
pressure as intended.
- No tire pressures are displayed on the on-
settings,
TPM malfuntions may occur for a variety of
board computer for wheels with faulty wheel
reasons, including the installation of replacement
transmitters.
-
more than four wheel transmitters are
or alternate tires or wheels on the vehicle that
detected,
prevent the TPM from functioning properly.
-
there is external interference by other radio
Always check the TPM malfunction telltale after
sources, e.g. wireless headphones,
replacing one or more tires or wheels on your
vehicle to ensure that the replacement or alter-
-
tire temperatures are too high.
nate tires and wheels allow the TPM to continue to
f
Please see the chapter “WARNINGS ON THE
function properly.
INSTRUMENT PANEL AND THE ON-BOARD
COMPUTER” on Page 166.
The warning light in the speedometer lights up:
- When a loss in pressure has been detected.
- When learning newly mounted wheels/wheel
sensors, as long as the vehicle’s own wheels
have not yet been recognized.
Instruments, On-Board Computer, Warnings
159
Pressure increase as the result of
Tire pressure specifications
temperature increase
Information on tire pressure for public roads can
In accordance with physical principles, the air
be found in this Owner's Manual in the Technical
pressure changes as the temperature changes.
Data chapter or on the tire-pressure plate in the
The tire pressure increases or decreases by
left door aperture.
around 1.5 psi (0.1 bar) for every 18 °F (10 °C)
These values apply to cold tires at 68 °F (20 °C)
change in temperature.
ambient temperature.
The Tire Pressure Monitoring takes this relation-
ship between tire pressure and temperature into
account.
160 Instruments, On-Board Computer, Warnings