Front Seat Belt System Operation

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: To help avoid personal injury from unrepaired crash damage to a restraint system:

Replace each seat belt system worn during a crash unless the crash was minor.
Perform the seat belt check for each seat belt system. Replace the seat belt system if there is any doubt about the condition of system components.

The front seat belt system includes a driver and/or passenger seat belt retractor and buckle.
The LF seat belt system, includes a seat belt switch in the LF seat buckle which controls a fasten safety belts indicator and a tone alarm. When the LF seat belt is buckled, the LF door is closed, and the ignition switch is in the ON position, the following events will not occur:
- The tone alarm will not operate.
- The fasten safety belts indicator will not operate.
When the LF seat belt is not buckled, the LF door closed, and the ignition switch is in the RUN position, the following events will occur:
- The tone alarm will operate for 4 to 8 seconds and then turn OFF.
- The fasten safety belts indicator will operate for 20 seconds, until the LF seat belt is buckled.
- Then the fasten safety belts indicator will flash for an additional 55 seconds before turning OFF.
  To diagnose a failure of the fasten safety belts indicator refer to SYMPTOMS-Seat Belts or the tone alarm, refer to AUDIBLE WARNINGS DESCRIPTION AND OPERATION in Instrument Panel, Gauges and Console.