Porsche Cayenne Owner's Manual page 104

System learning phase
Each time a wheel is changed, the tire pressure
monitoring re-learns the tires. The system identi-
fies the wheel positions.
The current tire pressures will not be available on
the multi-purpose display until the learning phase
is complete.
System learning phase
f Select tire type and tire size in the menu TIRE
PRESSURE > SETTINGS > TIRES.
The learning process is started. The tire type
and size must be selected even if the settings
for the new set of wheels are the same as for
the old wheels.
104
Controls, Safety, Instruments
Note
The spare wheel and collapsible spare wheel do
not contain a wheel transmitter and are not
monitored by the tire pressure monitoring.
The tire pressures for cold tires (68 °F/20 °C) are
shown in the TIRE PRESSURE menu (filling informa-
tion) during the learning phase. The required
pressure for the spare wheel is always displayed
in the TIRE PRESSURE menu (filling information).
f Check the tire pressure for the spare wheel
and collapsible spare wheel manually.
Tire pressure menu
MAIN MENU > TIRE PRESSURE
The TIRE PRESSURE menu provides an overview
of the current pressure specifications for the
respective wheel (filling information). The pressure
differences with respect to the required pressure
are specified.
If the wheels have not been learned, the current
pressures are unavailable.
The spare wheel is not monitored. The required
pressure is specified in brackets.
To make changes to the settings of the tire pres-
sure monitoring, select SETTINGS in the TIRE
PRESSURE menu.