Recommended grade and viscosity
Subaru Impreza / Subaru Impreza Owners Manual / Maintenance and service / Engine oil / 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:
R (Reverse)
This position is for backing the vehicle.
To shift from the “N” to “R” position, stop the vehicle completely then move the lever to the “R” position. ...
Preparing to drive
You should perform the following checks and adjustments every day before you start driving.
1. Check that all windows, mirrors, and lights are clean and unobstructed.
2. Check the appearance and con ...
Engine
...
