Porsche 911 GT3 Owner's Manual page 131

f Push operating lever forward.
The stopwatch displays continue the timing.
The on-board computer display returns to the
"Stop timing/Intermediate time" selection. You
can stop the stopwatch or measure an inter-
mediate time.
130
Instruments, On-Board Computer
Resetting the time
After timing has been stopped, the on-board
computer display changes to the "Continue/
Reset" selection.
f Select "Reset" with the operating lever.
f Push operating lever forward.
The display returns to the "Start timing"
selection.
The stopwatch displays in the instrument panel
and the on-board computer are reset to zero.