Recommended grade and viscosity

Use only engine oil with the recommended grade and viscosity.
Refer to “Engine oil”.
NOTE
Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fuel economy. However, in hot weather, oil of higher viscosity is required to properly lubricate the engine.
See also:
Air filtration system
Replace the filter element according to the
replacement schedule as follows. This
schedule should be followed to maintain
the filter’s dust collection ability. Under
extremely dusty conditions ...
Moonroof – if the moonroof cannot be closed
If the moonroof cannot be closed with the
moonroof switch, you can close the moonroof
manually.
1. Remove the plug on the roof trim of the
cargo area by inserting the end of the flathead
sc ...
New Chassis Tuning for 2011
The Subaru Impreza WRX STI was already a highly optimized performance
machine. Specific chassis tuning. Aluminum front lower L-arms reduce unsprung
vehicle weight. Major chassis tuning changes inc ...
