See also:

Gross Vehicle Weight (GVW) and Gross Vehicle Weight Rating (GVWR)
Gross Vehicle Weight The Gross Vehicle Weight (GVW) must never exceed the Gross Vehicle Weight Rating (GVWR). Gross Vehicle Weight (GVW) is the combined total of the weight of the vehicle, dri ...

Effect vehicle modifications made for persons with disabilities may have on SUBARU advanced frontal airbag system operation (U.S. only)
Changing or moving any parts of the front seats, rear seat, seatbelts, front bumper, front side frame, radiator panel, instrument panel, combination meter, steering wheel, steering column, tir ...

Seatbelt maintenance
To clean the seatbelts, use a mild soap and lukewarm water. Never bleach or dye the belts because this could seriously affect their strength. Inspect the seatbelts and attachments including the web ...