Fuel
NOTE
The engine is designed to operate using unleaded gasoline.

*1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher may be temporarily used. For details, refer to “Fuel”.
See also:
Inputting the phone number
1. Press the OFF hook switch .
2. Select “Phonebook” by operating the “TUNE/TRACK/CH” dial.
3. Select “Add Entry” by operating the “TUNE/TRACK/CH” dial.
4. Select “Manual Input” by operating the “T ...
Recommended grade and viscosity
CAUTION
Use only engine oil with the recommended grade and viscosity.
NOTE
Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity
provide better fuel economy. However, in ...
EXTERIOR
The 2011 STi oozes speed. My test vehicle was the new four-door wide-body
sedan with an intimidating-looking rear spoiler intended to amplify the car's
aerodynamics. The spoiler definitely took a ...
