See also:

Operation indicator lamps
If one of the following indicator lamps comes on in the instrument panel and/or instrument panel screen, this confirms that the corresponding system has come into operation. ...

"Porsche tiptronic system" automatic gearbox
Six speed automatic gearbox which offers a choice between the comfort of fully automatic operation, enhanced by sport and snow programmes, or manual gear changing. Four driving modes are offered: ...

Trip reset
When the trip required is displayed, press the control for more than two seconds or use the left hand thumb wheel of the steering mounted controls. Trips "1" and "2" are indep ...