Porsche Cayenne 2009 Owner's Manual page 138

The spare wheel and collapsible spare wheel are
not equipped with wheel transmitters and are not
monitored by Tire Pressure Monitoring.
Wheel change (without warning)
The settings of the multi-purpose display must be
updated after changing wheels or tires on the
vehicle.
Please see the chapter "SETTING THE TIRE TYPE
AND SIZE" on Page 134.
Setting spare wheel/sealant (without
warning)
If you have fitted a spare wheel or collapsible
spare wheel or used tire sealant without being
requested to do so by a "Flat tyre" warning on the
multi-purpose display, you must subsequently
update the settings in the TYRE PRESSURE sub-
menu.
138
Multi-Purpose Display and Instruments
Setting spare wheel.
1. MAIN MENU
>TYRE PRESS.
>SETTINGS
> TYRES
> SPARE WHEEL
Select and confirm.
2. Select SPARE WHEEL.
3. Confirm selection.
The display automatically returns to the TYRE
PRESSURE sub-menu (filling information).
The required tire pressures are displayed
here.
Select BACK.
4. Confirm selection.
The basic display appears.
The spare wheel is not equipped with a wheel
transmitter and is not monitored by Tire Pressure
Monitoring. The tire pressure warning light on the
speedometer flashes about 60 seconds and lights
up thereafter permanently when the ENTER button
is pressed. The value "_" is displayed in the sub-
menu TYRE PRESSURE (filling information) at the
position of the spare wheel.
The reminder SPARE WHEEL/SEALING SET
OPERATION? appears each time the ignition is
switched on. For information on spare wheel/
sealing set operation: Please see the chapter
"NOTE ON SPARE WHEEL/SEALING SET OPERA-
TION" on Page 140.