GM Service Manual Online
For 1990-2009 cars only

Important: If the vehicle has been in a collision, refer to Repairs and Inspections Required After a Collision for additional information.

  1. Turn the ignition switch to the ON position. Verify proper operation of the seat belt reminder lamp with the belt buckled and with the belt unbuckled. Refer to Seat Belt System Description and Operation .
  2. Inspect the shoulder belt guide adjuster. Ensure that the following conditions are met:
  3. • The shoulder belt guide adjuster slides freely and locks when released.
    • The seat belt webbing seats flat.
    • The seat belt webbing does not bind.
  4. Check that the seat belt buckle faces inboard and the seat belt buckle is accessible.
  5. Check that the seat belt retractor units are securely attached.
  6. Verify that the seat belt anchor bolts are secure.
  7. Fully extend the seat belt webbing. Check for any unwanted twists or tears in the webbing.
  8. Allow the seat belt webbing to retract. Check that the webbing returns freely and completely back in the retractor.
  9. Snap the seat belt latch into the buckle.
  10. Tug sharply on the seat belt latch. Buckle up. Check that it remains locked.
  11. Push the button on the buckle.
  12. • Verify that the seat belt latch plate releases easily from the buckle.
    •  Verify that the button returns to its original position.

Repeat the inspection procedure, steps 2-10, from the front passenger seat.

Perform the following steps in order to inspect the center seat belts:

  1. Verify that the center seat belts are accessible.
  2. Verify that the center seat belts have no twists or tears in the webbing.
  3. Snap the center seat belt latch plate into the buckle.
  4. Sharply tug on the seat belt latch plate and the buckle. Verify that the seat belt latch plate and the buckle remain locked when tugged.
  5. Push the button on the buckle.
  6. • Verify that the seat belt latch plate releases easily from the buckle.
    •  Verify that the button returns to its original position.

Repeat the inspection procedure, steps 2-10, from the rear seats.