5W-30
5W-20 for normal operation. 10W-30 for hot weather climates or heavy duty use.
5W30
Of course you can but when you do you are changing the viscosity of the oil. Your engine requires a certain weight or viscosity of oil. Use only the weight oil recommended by the manufacture.
5w30
Use exactly what Toyota recommends which is more than likely 5w20 and not 5w30.
No, it's not OK. You should use at least 5W30. In summer you can use 10W30.
I understand you can use the same oil viscosity in both motor & transmission on the 2008 harley roadking!
Always use the Honda brand oil. 10-40.
The recommended oil type for a Toyota Highlander is 5 W 20. The vehicle can also use 10 W 30.
We always use and recommend Kendall 20w50.
20w50
5w30 or 5w20