It depends the motor.
Lexus motor company recommends using 10W-30 weight motor oil in all of its cars. Automobiles driven in extreme climates are recommended to use a heavier motor oil.
5w30
it is origanal oil
30 weight
5w30
you should but a couple corts of royal purple motor oil
5w30
motor oil
5w30
Assuming you are speaking of engine / motor oil should specify on the oil filler cap, should be 5W 30
change the oil.