Adjustable level of each volume
Subaru Impreza / Subaru Impreza Owners Manual / Audio / Hands-free system (if equipped) / Using the Hands-free system / Adjustable level of each volume

See also:
Gasoline for California-certified LEV
If your vehicle was certified to California’s low emission vehicle (LEV) standards as indicated on the underhood tune-up label, it is designed to optimize engine and emission performance with gasoline ...
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 econ ...
Airflow control dial
Each dial position activates the following air outlets.
(Ventilation): Instrument panel outlets
(Bi-level): Instrument panel outlets and foot outlets
(Heat): Foot outlets, both side outlets o ...
