2011-2017 Porsche Cayenne SUV Instrument Panel and Multi-Purpose Display -> Tire Pressure Monitoring (TPM) User Manual
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Instrument Panel and Multi-Purpose Display -> Tire Pressure Monitoring (TPM) for Your Porsche Cayenne SUV Second Generation (2011-2017)

Instrument Panel and Multi-Purpose Display 119
Tire Pressure Monitoring (TPM)
Each tire, including the spare, should be checked
monthly when cold and inflated to the inflation
pressure recommended by Porsche on the tire
inflation pressure label.
For information on the tire inflation pressure label:
f Please see the chapter “TIRES AND WHEELS”
on page 265.
As an added safety feature, your vehicle has been
equipped with a tire pressure monitoring system
(TPM) that illuminates a low tire pressure telltale
(warning light) when one or more of your tires is
significantly under-inflated.
Accordingly, when the low tire pressure telltale
illuminates, you should stop and check your tires
as soon as possible, and inflate them to the
proper pressure. Driving on a significantly under-
inflated tire causes the tire to overheat and can
lead to tire failure. Under-inflation also reduces
fuel efficiency and tire tread life, and may affect
the vehicle’s handling and stopping ability.
The display as well as the settings for the Tire
Pressure Monitoring take place on the on-board
computer.
However, the tire pressure must still be set
manually on the wheel.
f Please see the chapter “TIRE PRESSURE FOR
COLD TIRES 68 °F (20 °C)” on page 310.
Driving the vehicle with low tire pressure increases
the risk of a tire failure and resulting loss of
control. Furthermore, low tire pressure increases
rate of wear of the affected tires.
Please note that the Tire Pressure Monitoring is
not a substitute for proper tire maintenance, and
it is the driver's responsibility to maintain correct
tire pressure, even if under-inflation has not
reached the level to trigger illumination of Tire
Pressure Monitoring low tire pressure telltale. Low
tire pressure reduces the road safety of the
vehicle and destroys the tire and wheel.
Tire Pressure Monitoring gives a warning about
tire damage caused by a natural loss in pressure
as well as about a gradual loss of pressure
caused by foreign objects.
Tire Pressure Monitoring cannot warn you about
tire damage that occurs suddenly (e.g. flat tire due
to abrupt external effects).
f When a red tire pressure warning appears,
stop immediately in a suitable place and check
the tires for damage. If necessary, remedy the
damage with a tire sealant.
f Do not by any means continue to drive with
defective tires.
f Sealing the tire with tire sealant is only an
emergency repair so you can drive to the
nearest specialist workshop.
The maximum permitted speed is 50 mph
(80 km/h).
f Do not drive with tires in which the tire
pressure drops again very quickly. In case of
doubt, have tires checked by a specialist
workshop.
f Defective tires must be replaced immediately
at an authorized Porsche dealer.
Tires must never be repaired under any
circumstances.
f If Tire Pressure Monitoring is defective
(e.g. defective wheel transmitter), contact an
authorized Porsche dealer immediately and
have the damage repaired.
The tire pressure will not be monitored at all
or will be monitored only partially when Tire
Pressure Monitoring is defective.
For information on warning messages on the multi-
purpose display:
f Please see the chapter “OVERVIEW OF
WARNING MESSAGES” on page 139.
f Incomplete entries or selection of the wrong
tires on the multi-purpose display affect the
accuracy of warnings and messages.
The settings in the tire pressure menu must be
updated following a wheel change or changes
in vehicle loading.
f Use only the pressure differences shown in the
“Fill info” display in the Tire pressure menu
or from the corresponding tire pressure
warning when correcting the tire pressure.
f Tires can lose air over time without a tire
defect being present. A tire pressure warning
will then appear on the multi-purpose display.
Check the tire pressure at the next opportunity.
Maintaining Tire
Pressure
WARNING
h
120 Instrument Panel and Multi-Purpose Display
Your vehicle has also been equipped with a TPM
malfunction indicator to indicate when the system
is not operating properly.
The TPM malfunction indicator is combined with
the low tire pressure telltale.
When the system detects a malfunction, the
telltale will flash for approximately one minute and
then remain continuously illuminated. This
sequence will continue upon subsequent vehicle
start-ups as long as the malfunction exists.
When the malfunction indicator is illuminated, the
system may not be able to detect or signal low tire
pressure as intended.
TPM malfunctions may occur for a variety of
reasons, including the installation of replacement
or alternate tires or wheels on the vehicle that
prevent the TPM from functioning properly.
f Always check the TPM malfunction telltale after
replacing one or more tires or wheels on your
vehicle to ensure that the replacement or
alternate tires and wheels allow the TPM to
continue to function properly.
The warning light in the instrument panel lights up:
– When a loss in pressure has been detected.
– In the event of a defect in Tire Pressure
Monitoring or a temporary fault.
– When learning new fitted wheels/wheel
transmitters, as long as the vehicle’s own
wheels have not yet been recognized.
The tire pressure warning light on the instrument
panel goes out only when the cause of the fault
has been rectified.
Overview of Tire Pressure Monitoring
functions
Tire Pressure Monitoring offers the following
functions:
– Display of the actual tire pressure while the
vehicle is in motion.
– “Fill info” display:
Display of the deviation from the required
pressure (refilling pressure) at standstill.
– “Tire info” display:
Display of current settings (when the vehicle is
stationary).
– Tire pressure warnings in two stages
(yellow and red warning).
Tire pressure display on the multi-purpose display
Selecting the Tire pressure function
on the multi-purpose display
The “Tire pressure” function displays the
temperature-dependent tire pressures
(actual pressures) in the four wheels.
You can watch the tire pressure rise as the
temperature increases while driving.
This display is only for information.
f Under no circumstances should the tire
pressures be changed based on this display.
Warning light
Attention to TPM
Malfunction Indicator
WARNING
h
Select “Tire pressure” in the main menu
and confirm.
Instrument Panel and Multi-Purpose Display 121
Viewing Fill info in the Tire pressure menu
(only when vehicle is stationary)
You can read the tire pressures to be corrected in
this display.
The tire pressure to be corrected (refill pressure)
is indicated on the displayed wheel.
Example: If “–1.5 psi / –0.1 bar / –10 kPa” is
displayed for the rear right tire, 1.5 psi / 0.1 bar
/ 10 kPa must be added to this tire.
The displayed pressures take into account the tire
temperature.
f Use only the pressure values shown in the
“Fill info” display in the “Tire pressure” main
menu or from the corresponding tire pressure
warning when correcting the tire pressure.
Information
Each time the ignition is switched on, it may take
approx. 1 minute until all tire pressures are
displayed. Dashes (-.-) appear instead of the tire
pressures.
Viewing “Tire info” in the Tire pressure
menu
The current settings are displayed.
Selecting “Charge” in the Tire pressure
menu
Available setting options:
– “Part load”
– “Full load”
f Adapt the pressure of the tires to the selected
load type.
See “Fill info” in the “Tire pressure” main
menu.
If this menu is not displayed, the specified tire
pressures are valid for all types of vehicle load.
1. Select “Tire pressure” in the main menu.
2. Select “Fill info”
and confirm.
1. Select “Tire pressure” in the main menu.
2. Select “Tire info”
and confirm.
1. Select “Tire pressure” in the main menu.
2. Select “Charge”
and confirm.
3. Select load type
and confirm.
122 Instrument Panel and Multi-Purpose Display
Selecting “Comfort pressure” in the
Tire pressure menu
Available setting options:
– “Comfort”
– “Standard”
For speeds up to 100 mph (160 km/h), the tire
pressures can be reduced to increase driving
comfort.
The Tire Pressure Monitoring system must be set
to the applicable tire pressure (comfort pressure
or standard pressure).
If you selected “Comfort press.”, the TPM
system automatically uses lower pressure values
when monitoring tire pressures.
The comfort tire pressures are included in the
technical data or under “Fill info” in the “Tire
pressure” menu, you can compare the pressure
differences (e.g. 4.4 psi / +0.3 bar / 30 kPa) with
the “Comfort pressures”.
For tires that have not yet been learned, the new
required tire pressures are displayed instead of
the actual tire pressures.
For information on learning the tires:
f Please see the chapter “CHANGING A WHEEL
AND REPLACING TIRES” on page 125.
Prolonged driving at low tire pressure or even
short-term driving at high speeds on tires which
have too low a pressure is likely to result in a loss
of control of your vehicle, either due to a failure to
maintain directional control under side loads or
due to tire failure.
Tires are inflated to comfort pressure at the
factory, which is not suitable for driving at very
high speeds.
f Always adjust the pressure in the tires to the
standard pressure setting when driving at
higher speeds.
f Remember to adjust the setting in the Tire
Pressure Monitoring system accordingly.
Comfort pressure speed warning
If the maximum speed of the preset comfort
pressure is exceeded, a warning message
appears on the multi-purpose display.
Driving at excessive speeds when the comfort
pressure is active will eventually destroy the tires
and that can lead to a loss of control of the
vehicle, especially at high speeds.
f Never exceed the speed specified on the
warning message.
f Always set the standard tire pressure when
driving at higher speeds.
1. Select “Tire pressure” in the main menu.
2. Select “Comfort press.”
and confirm.
3. Select required pressure
and confirm.
Low Tire Pressure Loss
of Control
WARNING
h
Excessive Speeds for
Comfort Setting
WARNING
h
Instrument Panel and Multi-Purpose Display 123
Selecting settings in the Tire pressure
menu (type and size of fitted tire)
Exceeding the maximum tire speed could result in
a tire burst, causing loss of control of the vehicle.
f Always observe the permissible maximum
speed of the respective tire.
f Porsche recommends obeying all traffic laws
at all times to maintain the safety of yourself
and all vehicle occupants.
Incomplete entries or selection of the wrong tires
on the multi-purpose display affect correct
indication of warnings and messages.
f The settings must be updated in the “Tire
pressure” menu after changing a wheel, filling
with tire sealant or adding air (after previous
warning “Tire pressure!”).
f Please see the chapter “RED WARNING – TIRE
PRESSURE!” on page 125.
The new tire type and tire size must be selected
even if the settings for the new set of wheels are
the same as for the old wheels.
Available setting options:
– “18 inch” (not for Cayenne Turbo)
– “19 inch”
– “20 inch”
– “21 inch”
Tire selection has only been successfully
completed when the following message appears
on the multi-purpose display (example):
“Summer tires 19 inch was set.”
“No monitoring, System is learning”.
f Please see the chapter “SYSTEM LEARNING”
on page 124.
Information
The message “Action canceled” appears if the
setting process is interrupted. All entries made up
to this point are lost, and the original settings
remain in effect.
Before fitting tires with dimensions that are not
already stored in the multi-purpose display, the
missing information should be added to the
multi-purpose display.
f Please see your authoized Porsche dealer.
f Use only tires approved by Porsche.
The available items in the Tire pressure menu
depend on the model type. For this reason, some
of the selection options shown here may not be
available on your multi-purpose display.
Exceeding Maximum
Rated Tire Speed
Entering Tire Data and
Display
WARNING
h
WARNING
h
1. Select “Tire pressure” in the main menu.
2. Select “Adjust”
and confirm.
3. Select “Summer tires” or
“Winter tires” or
“All-season”
and confirm.
4. Select the tire size
and confirm.
124 Instrument Panel and Multi-Purpose Display
System learning
Tire Pressure Monitoring begins to “learn” the
wheels after a wheel change, wheel transmitter
replacement or update of the tire settings. During
this process, Tire Pressure Monitoring recognizes
the wheels and their locations.
The message “No monitoring, system is learning”
(example) appears on the multi-purpose display.
The wheel learning process takes place
exclusively when the vehicle is being driven
(vehicle speed above 16 mph (25 km/h)).
Tire Pressure Monitoring requires a certain
amount of time to learn the wheels. During this
time, the current tire pressures are not available
on the multi-purpose display:
– The tire pressure warning light remains lit until
all wheels have been learned.
– Lines (-.-) appear on the display of the
“Tire pressure” function.
– The required pressures for cold tires (68 °F
(20 °C)) are indicated under “Fill info” in the
“Tire pressure” main menu.
Position and pressure information is displayed as
soon as Tire Pressure Monitoring has assigned
the wheels recognized as belonging to the vehicle
to the correct wheel positions.
f Check the tire pressure for all wheels under
“Fill info”.
f Correct the tire pressure to the required
pressure if necessary.
Yellow warning – Inflate!
Tire pressure warnings
The tire pressure warning light on the instrument
panel and a corresponding message on the multi-
purpose display warn about loss of pressure in
two stages (yellow and red), depending on the
amount of pressure loss.
Yellow warning – Inflate!
The pressure in the tire is more than 4 to 7 psi /
0.3 to 0.5 bar / 30 to 50 kPa too low. The tire
pressure warning specifies the affected tire and
the target tire pressure.
f Correct the tire pressure at the next
opportunity.
This tire pressure warning appears:
– for approx. 10 seconds when the vehicle is
stationary and the ignition is switched off
or
– when the ignition is switched on again.
The warning can be acknowledged when the
ignition is switched on.
The tire pressure warning light on the instrument
panel goes out only when the tire pressure has
been corrected.
Instrument Panel and Multi-Purpose Display 125
Red warning – Tire pressure!
Red warning – Tire pressure!
At speeds of less than 100 mph (160 km/h):
– The pressure in the tire has dropped by more
than 7 psi / 0.5 bar / 50 kPa. This
significant pressure loss is a danger to road
safety.
At speeds of more than 100 mph (160 km/h):
– The pressure in the tire has dropped by more
than 6 psi / 0.4 bar / 40 kPa. This
significant pressure loss is a danger to road
safety.
f When the tire pressure warning appears, stop
immediately at a suitable place. Check the
indicated tire for signs of damage.
If necessary, fill in tire sealant and set the
correct tire pressure.
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.
For information on tire sealing compound:
f Please see the chapter “USING TIRE SEALANT”
on page 277.
Changing a wheel and replacing tires
f New wheels must be fitted with radio
transmitters for Tire Pressure Monitoring.
Before tires are changed, the battery charge
condition of the wheel transmitters should be
checked at an authorized Porsche dealer.
f Switch off the ignition when changing a wheel.
The tire settings on the multi-purpose display must
be updated after changing a wheel.
If the tire settings are not updated, the message
“Tire change? Update settings!” is displayed on the
multi-purpose display.
f Update the multi-purpose display settings the
next time the vehicle is stationary.
Pressure increase as the result of
temperature increase
In accordance with physical principles, the tire
pressure changes as the temperature changes.
For every 18 °F (10 °C) change in temperature,
the tire pressure increases or decreases by
around 1.5 psi / 0.1 bar / 10 kPa.
Partial monitoring
Monitoring of the other wheels is continued if there
is a fault in one or two wheel transmitters.
– The tire pressure warning light lights up.
– The message “Restricted monitoring” appears
on the multi-purpose display.
– No tire pressures are displayed on the multi-
purpose display for wheels with faulty wheel
transmitters.
No monitoring
In the event of faults, Tire Pressure Monitoring
cannot monitor the tire pressure.
The warning light on the instrument panel lights up
and a corresponding message appears on the
multi-purpose display.
Monitoring is not active:
– If Tire Pressure Monitoring is faulty.
– If wheel transmitters for Tire Pressure
Monitoring are missing.
– During the learning phase after the tire settings
have been updated.
– After a wheel change without updating the
tire settings.
– If more than four wheel transmitters are
recognized.
– If there is external interference by other
radio sources, e.g. wireless headphones.
– If tire temperatures are too high.
f Please see the chapter “OVERVIEW OF
WARNING MESSAGES” on page 139.

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