Opel CORSA Owner's Manual page 217

All wheels must be equipped with
pressure sensors and the tyres must
have the prescribed pressure.
Note
In countries where the tyre pressure
monitoring system is legally
required, the use of wheels without
pressure sensors will invalidate the
vehicle type approval.
The current tyre pressures can be
shown in the Vehicle Information
Menu ? in the Driver Information
Centre.
The menu can be selected by
pressing the buttons on the turn
signal lever.
Press MENU to select the Vehicle
Information Menu ?.
Turn the adjuster wheel to select the
tyre pressure monitoring system.
Baselevel display and Midlevel
display:
The tyre pressure for each tyre is
displayed on its own page.
Uplevel display:
Vehicle care
The tyre pressures for all tyres are
displayed on one page.
System status and pressure warnings
are displayed by a message
indicating the corresponding tyre in
the Driver Information Centre.
The system considers the tyre
temperature for the warnings.
Temperature dependency 3 213.
215