Modification of your vehicle

Your vehicle should not be modified other than with genuine SUBARU parts and accessories. Other types of modifications could affect its performance, safety or durability, and may even violate governmental regulations. In addition, damage or performance problems resulting from modification may not be covered under warranties.
See also:
Spark plugs
It may be difficult to replace the spark plugs. It is recommended that you have
the spark plugs replaced by your SUBARU dealer.
The spark plugs should be replaced according to the maintenance sched ...
Gross Axle Weight (GAW) and Gross Axle Weight Rating (GAWR)
Gross Axle Weight
The total weight applied to each axle (GAW) must never exceed the Gross Axle
Weight Rating (GAWR). The front and rear GAWs can be adjusted by relocating passengers
and luggage ...
Electric power steering for improved fuel economy
In order to improve both steering feel and fuel economy, a new
rack-and-pinion steering system with electric power assistance has been adopted.
The system is mounted on the front cradle frame at f ...
