Porsche Boxster Owner's Manual page 143

Instrument panel On-board computer
Text display on on-board
computer
Flat Tire
Add air
TPC inactive
System learning
TPC inactive
Meaning/measure
Tire Pressure Monitoring has
detected a serious pressure loss.
Stop in a suitable place and check
tires for damage. Fill in tire sealant if
necessary.
The Tire Pressure Monitoring has
detected a gradual pressure loss.
Correct tire pressure at the next
opportunity.
The Tire Pressure Monitoring is
learning the wheels on the vehicle.
The Tire Pressure Monitoring is
searching for the tires and their
position. During this period the
current pressure specifications
are not available on the on-board
computer.
The Tire Pressure Monitoring is
faulty. Consult your authorized
Porsche dealer.
141
Controls, Instruments