Lexus RX300 Manual page 264

62R003a
If the oil level is below or only slightly above the low line, add
engine oil of the same type as already in the engine.
Remove the oil filler cap and add engine oil a little at a time, checking
the dipstick. The approximate quantity of oil needed to fill between
the low line and the full line on the dipstick is indicated below for
reference.
When the level reaches within the correct range, return the filler cap
and turn the cap clockwise until you hear a click.
Oil quantity. L (qt., lmp. qt.)
NOTICE
Avoid overfilling, or the engine could be damaged. Check the oil
level on the dipstick once again after adding the oil.
Engine oil selection
Use API SH, "Energy–Conserving II" or SJ, "Energy–Conserving"
multigrade engine oil or ILSAC multigrade engine oil.
Recommended viscosity (SAE):
Temperature range anticipated before next oil change
SAE 5W–30 is the best choice for your vehicle, for good fuel
economy, and good starting in cold weather.
If you use SAE 10W–30 engine oil in extremely low
1.8 (1.9, 1.6)
temperatures, the engine may become difficult to start, so SAE
5W–30 engine oil is recommended.
ENGINE
62L005
249