Check the seat belts, buckles, latch plates, and guide loops for obvious damage and signs of wear. Ensure that the seat belt reminder light activates when the ignition key is turned to the Run or Start position. The seat belts are designed to lock up during a sudden stop or impact while allowing free movement during normal driving; verify that the retractors return the belt against your chest while driving and rewind the belt fully when the buckle is unlatched. If any checks reveal issues with the seat belt system, replace parts as necessary, noting that a special seat-belt bit, available at your auto parts store, is required to remove seat belt bolts.