cuz fords are terrible and leak oil.
Stupid answers are not permitted. Besides that is a lie. You're thinking of Chevy.
A Ford Focus needs anywhere from 4.5 to 6 quarts of motor oil. The Ford Focus was fist produced in 1998.
A four cylinder 2009 Ford Focus hold 4.5 quarts of oil.
According to the 2002 Ford Focus Owner Guide : ( 5W-20 ) engine oil is recommended
In the oil pan, in the engine.
if it is a new ford focus then no, alot of new cars have regulators on them.
No
diesel
The exclamation light, on your Ford focus, is a reference to the oil needs to be changed. The light can be reset by changing the oil.
Motorcraft oil 5w20
Remove oil pan
When you change the oil and oil filter.
5W-20 , for the 2.0 liter engine in a 2008 Ford Focus ( according to the Owner Guide )