Toyota IQ 2012 Owner's Manual page 338

4-3. Do-it-yourself maintenance
1NR-FE engine
Make sure to check the oil type and prepare the items needed before
adding oil.
Engine oil selection
Items
Remove the oil filler cap, turning it counterclockwise.
Add engine oil slowly.
Checking the dipstick.
Reinstall the filler cap, turning it clockwise.
The approximate quantity of oil needed to raise the level between low and
full on the dipstick is indicated as follows:
1.5 L (1.6 qt., 1.3 Imp.qt.)
338
iQ_WE_74014E
P. 450
Clean funnel