Follow the manufactures recommendations or change it every 7,500 miles if you drive normally.
you should change oil on you car every 5000 miles
Each 5k miles.
I think they recommend to change it each 160-180K miles.
03 camry 4 cylider has a timing chain a 03 v6 camry hmilesas a belt and you change it every 90,000
100K miles transmission oil flush & change.
100-120K miles.
Every 100K or when necessary.
Urine because you can change the fluids often.
on average, every 5,000 miles. More or less, depending on your driving style, weather conditions and type of oil.
Every 90K miles.
This website has the recomendations for all fluid changes. smg.toyotapartsandservice.com/index.php
For the 2004 V6 it is 9 years or 90,000 miles.