Porsche Boxster Owner's Manual page 146

A - Lap
B - Intermediate time
Displaying intermediate times
Several intermediate times can be displayed for a
route or for a lap on the race circuit. The interme-
diate times B are for your information.
Measured lap times A can be stored and evaluat-
ed if the vehicle is equipped with Porsche Commu-
nication Management (PCM).
144
Instruments, On-Board Computer, Warnings
After timing has been started, the on-board com-
puter display changes to the "Stop timing/Inter-
mediate time" selection.
f Select "Intermediate time" with the operating
lever and push the operating lever forwards.
The intermediate time will be displayed for
approx. 5 seconds.