Recommended grade and viscosity
Subaru Forester / Subaru Forester 2012-2024 Owners Manual / Maintenance and service / Engine oil / 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 hot weather, oil of higher viscosity is required to properly lubricate the engine.