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 ...
Replacing the air cleaner element
Replace the air cleaner element according to the maintenance schedule in the
“Warranty and Maintenance Booklet”. Under extremely dusty conditions, replace it
more frequently. It is recommended tha ...
GVWR and GAWR (Gross Vehicle Weight Rating and Gross Axle Weight Rating)
The certification label attached to the driver’s side doorjamb shows GVWR (Gross Vehicle Weight Rating) and GAWR (Gross Axle Weight Rating).
The GVW (Gross Vehicle Weight) must never exceed the GVW ...
