One problem related to front seat belt buckle assembly has been reported for the 1999 Toyota Sienna. The most recently reported issues are listed below.
Seat belt locked in place and did not let the child out of the seat. Consumer contacted dealer, and dealer was not willing to do anything.
| Seat Belt problems | |
| Front Seat Belt Webbing problems | |
| Rear Seat Belt problems | |
| Front Seat Belt Buckle Assembly problems | |
| Front Seat Belt Anchorage problems |