See also:

California fuel
If your vehicle was certified to California Emission Standards as indicated on the underhood tune-up label, it is designed to optimize engine and emission control system performance with gasoline ...

2011 Subaru Impreza WRX STi review
Driving the 2011 Subaru Impreza WRX STi transported me to a world that was completely foreign. It's a world that's less centered on booster seats and storage cubbies and more focused on rally raci ...

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 ...