See also:

Determining compatibility of tire and vehicle load capacities
The sum of four tires’ maximum load ratings must exceed the maximum loaded vehicle weight (“GVWR”). In addition, sum of the maximum load ratings of two front tires and of two rear tires must excee ...

Synthetic oil
You should use synthetic engine oil that meets the same requirements given for conventional engine oil. When using synthetic oil, you must use oil of the same classification, viscosity and grade s ...

Precautions against vehicle modification
Always consult your SUBARU dealer if you want to install any accessory parts to your vehicle. Do not perform any of the following modifications. Such modifications can interfere with proper opera ...