Porsche 911 GT3 Owner's Manual page 144

OIL
Display and measurement of the engine
oil level
Caution!
Risk of engine damage.
f Regularly check the oil level each time before
refueling.
f Do not allow the oil level to fall below the
minimum mark.
Conditions for measuring the oil level
1. Vehicle stationary.
2. It is important to ensure that the vehicle is on
a level surface for correct oil level measure-
ment to occur.
3. Engine must be at operating temperature
(at least 140 °F/60 °C oil temperature).
4. Engine must be idling.
Initiating oil level measurement
1. Push operating lever forward in order to switch
on the selection field.
2. Select "OIL" with the operating lever.
3. Push operating lever forward. Measurement is
started.
4. Allow waiting time to elapse.
5. Once the measurement has been completed,
you can read off the engine oil level on the
segment display.
Instruments, On-Board Computer
143