Subaru 2005 Forester Owner's Manual page 301

Starting and operating
body may not be adjusted to the proper position.
HS7020BA
Owing to the self-leveling suspension, the vehicle
body is adjusted to the proper position after several
drive trips, even if the rear of the vehicle is lowered by
loaded cargos or a coupled trailer.
If cargos are unloaded all at once, the vehicle height
may become higher than the normal level. This is be-
cause that the hydraulic pressure in the self-leveling
suspension was increased for leveling the body when
the cargos were loaded. In such a case, the vehicle
height will return to the original level after several driv-
ing trips.
NOTE
If the rear axle is loaded excessively, the vehicle
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