Additional maintenance every 240,000 km/160,000 miles or every 16 years

NOTE:

The engine oil and oil filter must be changed every 10,000 km (6,000 mls) in vehicles which are operated in countries where leaded fuel is used.

Additional maintenance every 240,000 km/160,000 mls or every 16 years	OK
All-wheel final drive: change oil. Refer to 39 90 55 Changing oil for transfer box - as of MY 2003 (All Models) .
Rear final drive: change oil. Refer to 39 90 55 Changing oil for transfer box - as of MY 2003 (All Models) .
Transfer box: change oil. Refer to 39 90 55 Changing oil for transfer box - as of MY 2003 (All Models) .
Manual transmission: change oil. Refer to 34 01 55 Changing transmission oil - as of MY 2003 (Cayenne MAN, Cayenne S MAN) .
Tiptronic transmission: change ATF and ATF filter:. Refer to 37 02 55 Changing ATF - as of MY 2003 (Cayenne Turbo, Cayenne Turbo S) . Refer to 37 02 55 Changing ATF - as of MY 2003 (Cayenne TIP, Cayenne S TIP, Cayenne S TIO Titan) . Refer to 37 58 19 Removing and installing ATF filter - as of MY 2003 (Cayenne TIP, Cayenne S TIP, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan) .