See also:

Low fuel level
When the fuel tank minimum level is reached this warning lamp comes on on the instrument panel. When it first comes on there remains approximately 5 litres of fuel in the tank. You must refuel ...

"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: ...

Monitoring
Instrument panel A. With the ignition on, the fuel gauge needle should indicate the level of fuel remaining. B. With the engine running, its associated low level warning lamp should go off. C. ...