See also:

CARE OF SEAT BELTS
Seat belt systems should never be disassembled or modified. In addition, care should be taken to assure that seat belts and belt hardware are not damaged by seat hinges, doors or other abuse. WAR ...

Scheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, follow Maintenance Under Severe Usage ...

Timing Belt
Inspect all parts related to the timing belt for damage and deformation. Replace any damaged parts immediately. ...