One problem related to front seat belt buckle assembly has been reported for the 1998 Lexus GS400. The most recently reported issues are listed below.
While driving 7 mph vehicle accelerated uncontrollably. Consumer was not able to maintain control of the vehicle, and it crashed into a cement wall. Upon impact, both frontal air bags failed to deploy, and driver's seat belt failed to lock. As a result, driver sustained minor injuries, and was transported to a hospital. Vehicle was towed to a garage for inspection.
| Front Seat Belt Retractor problems | |
| Front Seat Belt problems | |
| Front Seat Belt Anchorage problems | |
| Front Seat Belt Buckle Assembly problems |